The East Side Big Pipe is a large sewer line and tunnel in Portland in the U.S. state of Oregon . It is part of a combined sewer system of pipes, sumps, drains, pumps, and other infrastructure that transports sewage and stormwater run-off to the city's Columbia Boulevard Wastewater Treatment Plant. The East Side Big Pipe project, begun in 2006 and finished in 2011, was the largest of a 20-year series of projects designed to nearly eliminate combined sewer overflows (CSO)s into the Willamette River and the Columbia Slough . The combined projects were completed on time, and they reduced CSOs into the river by 94 percent and into the slough by more than 99 percent.
71-554: From the mid-19th century until the mid-20th century, Portland's combined sewer system poured untreated sewage into the Willamette River and the Columbia Slough. In 1952, the city built its first plant to treat wastewater, which included stormwater run-off as well as raw sewage. However, the existing sewer pipes were often overwhelmed by surges of stormwater from big storms, and the resulting CSOs continued to pollute
142-567: A Green River Ordinance banning door-to-door solicitation, but it was ruled unconstitutional by the Oregon Supreme Court in a 1988 decision. The court determined that the city ordinance was overly broad, in a case that was seen as a test case for many similar laws in the state. In 1979, Intel opened its first facility inAloha, Or . The Aloha campus was followed by the Hawthorn Farms, then Jones Farm campus adjacent to
213-519: A hook and ladder company organized in 1880 by the board of trustees (now city council). A drinking water and electricity distribution system added in 1892–93 gave the town three fire hydrants and minimal street lighting. Hillsboro built its first sewer system in 1911, but sewage treatment was not added until 1936. In 1913, the city built its own water system , and the first library, Carnegie City Library , opened in December 1914. From 1921 to 1952,
284-435: A warm-summer Mediterranean climate (Köppen Csb). Hillsboro's population grew from 402 in 1880 to 2,016 by 1910, making it the county's most populated city, according to the 1910 census data. By 1970, it had increased to more than 15,000, although neighboring Beaverton had overtaken it as the county's most populous city. By 1990 there were more than 37,000 residents, and commuters raised this to 110,000 during daytime. At
355-677: A Hillsboro edition of the News-Times , a weekly newspaper owned by the same company and based in nearby Forest Grove . Historically, the city's longtime newspaper of record was the weekly Hillsboro Argus newspaper (published twice-weekly from 1953 to 2015). It was published in Hillsboro for more than 120 years until its discontinuation in 2017. The city is also served by Portland-based media outlets, including The Oregonian , Willamette Week , and all broadcast stations. Local FM radio station KQRZ-LP airing Oldies on 100.7 MHz
426-428: A bachelor's degree, while an additional 11% held an associate degree. Those with less than a high school diploma made up 15% of the population, and 22% of residents had more than a high school diploma but less than a college degree. For the year 2011 , the city had 180 violent crimes reported to law enforcement, and 2,154 reports of property crimes . The violent crime rate was 157.2 per 100,000 people compared to
497-478: A brick courthouse in 1873. In 1891, the courthouse was remodeled and a clock tower was added, and the building was expanded with an annex in 1912. A new courthouse replaced the brick structure in 1928. The last major remodel of the 1928 structure occurred in 1972, when the Justice Services Building was built and incorporated into the existing building. The city's first fire department was
568-478: A community here in 1842, later named after David Hill , an Oregon politician. Transportation by riverboat on the Tualatin River was part of Hillsboro's settler economy. A railroad reached the area in the early 1870s and an interurban electric railway about four decades later. These railways, as well as highways, aided the slow growth of the city to about 2,000 people by 1910 and about 5,000 by 1950, before
639-478: A marine influence from the Pacific Ocean. The Willamette Valley in which Hillsboro lies receives the majority of its precipitation during the winter months, with the wettest period from November through March. This occasionally includes snowfall. Hillsboro receives precipitation on 161 days per year, on average. The average yearly precipitation between 1930 and 1998 was 38 in (970 mm). August
710-502: A national average of 309.3 and 287 for Oregon. Property crime nationally was 3,335 per 100,000 compared to 3,203 in Hillsboro, and 4,402 for the state. Violent offenses include forcible rape, robbery, murder, non-negligent manslaughter, and aggravated assault. Property crimes include arson, motor vehicle theft, larceny, and burglary. Statistics published by the Oregon Criminal Justice Commission showed
781-580: A remodeled church in downtown. The center provides space for galleries and performances, as well as classrooms for art instruction. The Rice Northwest Museum of Rocks and Minerals is located on the northern edge of the city. The Five Oaks Museum (at the time Washington County Museum) was located in downtown Hillsboro from 2012 to 2017, and later moved back to its previous location, at the Rock Creek campus of Portland Community College , just northeast of Hillsboro. Hillsboro's annual Fourth of July Parade
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#1732787291311852-524: A slight downward trend in the Washington County crime rate between 1991 and 2005. The rate for index crimes, a group comprising the combined violent offenses and property crimes mentioned above, was 3,930 per 100,000 in 1991 and rose to 4,440 per 100,000 in 1997 before falling to 3,410 per 100,000 in 2005. According to the City's 2022 Comprehensive Annual Financial Report, the largest employers in
923-539: Is The Sunset Esplanade , located along Tualatin Valley Highway. In November 2005, the world's largest Costco , a warehouse club store, opened in Hillsboro. The store, with 205,000 sq ft (19,000 m ) of floor space, is about 60,000 sq ft (5,600 m ) bigger than the average Costco. Within the city are two commercial movie theaters with a total of 29 screens. Until its closure in 2017, one historic theater had also remained in operation:
994-655: Is a 2019 renaming of the Washington County Fairgrounds (also known as Fair Complex). A new 89,000 sq ft (8,300 m ) conference center and exhibition hall, known as the Wingspan Event & Conference Center, opened at the Commons in August 2020, replacing buildings demolished in 2018. Hillsboro operates two library branches. Opened in 2007 after a smaller location was closed,
1065-648: Is a city in the U.S. state of Oregon and is the county seat of Washington County . Situated in the Tualatin Valley on the west side of the Portland metropolitan area , the city hosts many high-technology companies, such as Intel , locally known as the Silicon Forest . The population was 106,447 at the 2020 census , making Hillsboro the fifth-most populous city in Oregon . Settlers founded
1136-537: Is also a landing point on three fiber optic cable systems linking the United States across the Pacific Ocean: C2C , Southern Cross Cable , and VSNL Transpacific . These cable landings, lower energy costs, and tax breaks led to a boom of data centers being built starting about 2010. Data centers include those for Adobe, NetApp, Umpqua Bank , OHSU, and Fortune Data Centers. Hillsboro serves as
1207-568: Is based in Hillsboro. The Hatfield Government Center in Hillsboro is the western terminus of the MAX Blue Line , part of the Portland metropolitan area's light-rail system. The presence of MAX prompted the development of the pedestrian-oriented community of Orenco Station within Hillsboro. (See also: Orenco, Oregon .) Hillsboro's primary commercial cores are concentrated along Tualatin Valley Highway and Cornell Road. Additionally,
1278-804: Is the chief regulatory agency of the government of the U.S. state of Oregon responsible for protecting and enhancing the state's natural resources and managing sanitary and toxic waste disposal. The agency employs approximately 700 scientists, engineers, technicians, administrators, and environmental specialists. It has headquarters in Portland , regional administrative offices in Bend , Eugene , and Portland; and field offices in Coos Bay , Medford , Pendleton , Salem , and The Dalles . The Laboratory and Environmental Assessment Division operates an environmental laboratory in Hillsboro . The agency's director has
1349-476: Is the corporate headquarters for RadiSys and Planar Systems among others. In 2006, Genentech announced plans to locate a packaging and distribution facility on 100 acres (0.40 km ) in Hillsboro. The $ 400 million facility opened in 2010, which Oregon officials hoped would eventually also be used for research and development for the biotechnology company. Other biotech or medical companies based in Hillsboro include FEI Company and Acumed . The city
1420-682: Is the second-largest Independence Day parade in Oregon. The Oregon International Air Show , Oregon's largest air show, is held each year during the summer at the Hillsboro Airport. Each summer the city offers a free concert series at Shute Park (Showtime at Shute), while the Washington County Fair is held annually at the Westside Commons (county fairgrounds) adjacent to the airport. The name Westside Commons
1491-506: Is the warmest month with an average high temperature of 81 °F (27 °C ), while January is the coolest month with an average high of 46 °F (8 °C). The highest recorded temperature, 114 °F (46 °C), occurred on June 28, 2021, and the lowest, −14 °F (−26 °C), occurred in January 1930. According to the Köppen climate classification system, Hillsboro has
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#17327872913111562-557: The Jackson Bottom Wetlands Preserve along the Tualatin River on the south side of the community. Hillsboro operates under a council–manager form of city government. Voters elect six at-large councilors and a mayor, who each serve four-year terms, subject to a charter-imposed limitation of two consecutive terms. The mayor and council appoint a city manager to conduct the ordinary business of
1633-669: The Miller Education Center , an alternative school, the Hare Field athletic complex, and City View Charter School . The school district covers Hillsboro, Scholls , Reedville , North Plains , West Union , and other surrounding communities. Total enrollment as of the 2022–23 school year was 18,872 students, making it the fourth-largest district in the state (behind Portland, Salem-Keizer, and Beaverton). The four traditional public high schools are, in order of creation: Post-secondary educational opportunities include
1704-769: The National Register of Historic Places (NRHP) in and around Hillsboro include the Old Scotch Church , completed in 1876 north of the city. Near the Orenco neighborhood is Imbrie Farm , which includes a house built in 1866 and the Frank Imbrie Barn, both of which McMenamins converted for use as a brewpub . Built in 1935, the Harold Wass Ray House is near Intel's Hawthorn Farm campus. Historic properties in downtown include
1775-684: The Oregon State Sanitary Authority , which was created in 1938 in response to public outcry for cleanup of the Willamette River . It administers the state's pollution laws, the first of which were enacted in 1889. This Oregon government -related article is a stub . You can help Misplaced Pages by expanding it . This article about an environmental agency is a stub . You can help Misplaced Pages by expanding it . Hillsboro, Oregon Hillsboro ( / ˈ h ɪ l z b ər oʊ / HILZ -burr-oh )
1846-707: The Venetian Theatre , which had re-opened at the site of the old Town Theater in 2008. The Oregon Chorale (a 60-person symphonic choir), a men's barbershop chorus, the Hillsboro Symphony Orchestra , and the Hillsboro Artists' Regional Theatre are also located in Hillsboro. The orchestra was founded in 2001 under the direction of Stefan Minde . In 2004, the city opened the Glenn & Viola Walters Cultural Arts Center in
1917-796: The Westside Commons ) in the city, but was restored and moved to the Five Oaks Museum outside the city in 2004, and was de-listed from the NRHP in 2008. In 2007, the Manning–Kamna Farm was added to the NRHP and includes 10 buildings, dating to as early as 1883. The Malcolm McDonald House in Orenco was added to the Registry in 2015. Landmarks in Hillsboro include the Washington County Courthouse ,
1988-621: The Zula Linklater House (completed 1923), Rice–Gates House (1890), Edward Schulmerich House ( c. 1915 ), and Charles Shorey House (c. 1908). The Richard and Helen Rice House is adjacent to the Sunset Highway on the north side of the city and houses the Rice Northwest Museum of Rocks and Minerals. The Old Washington County Jail had been at the Washington County Fairgrounds (now known as
2059-491: The 2010 Census, the population was 91,611, fifth in rank among the state's largest cities behind Portland, Eugene , Salem and Gresham and slightly ahead of Beaverton, which ranked sixth. This figure was a 30.5% increase from Hillsboro's 70,186 residents in 2000, which made Hillsboro the fourth fastest-growing city in the state during the 2000s (decade), and the fastest-growing city in the Willamette Valley over
2130-624: The 3.5-mile (5.6 km) West Side CSO Tunnel and the Swan Island Pump Station. By late 2011, the city finished the largest of the CSO projects, the East Side Big Pipe. The combined projects were completed on schedule and met the intended goals. Work on the East Side Big Pipe began in 2006 and was completed in late 2011. Its tunnel is almost 6 miles (9.7 km) long. It lies at an average of 150 feet (46 m) below
2201-459: The 38,000 sq ft (3,500 m ) main branch is located in the north-central section of the city. The older, smaller second branch is in Shute Park in the southwest area of the city. The Hillsboro libraries are part of Washington County Cooperative Library Services , which allows residents to use other libraries in the county and includes interlibrary loans . Properties listed on
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2272-810: The Hops on June 14, 2013, with its inaugural home game at the new Ron Tonkin Field on June 17. Hillsboro's Department of Parks and Recreation operates more than 20 facilities, including the Gordon Faber Recreation Complex which includes Hillsboro Stadium and Ron Tonkin Field . There are 23 parks, two sports complexes, the Walters Cultural Arts Center, the Shute Park Aquatic & Recreation Center , and three other mixed-use facilities. The city also owns
2343-571: The Portland grid instead of Hillsboro's internal cardinal direction grid. In January 2015, the city began the process of making all addresses and streets within Hillsboro conform to the internal grid, through the Connecting Hillsboro Address Project. The internal grid in Hillsboro centers on the downtown intersection of Main Street, which runs east–west, and First Avenue, which runs north–south. Most addresses within
2414-635: The Southern Pacific Railroad introduced its own interurban service, known as the Red Electric , on a separate line and serving different communities between Hillsboro and Portland. SP discontinued its Hillsboro service on July 28, 1929, while the Oregon Electric Railway's passenger service to Hillsboro lasted until July 1932. A brick building was constructed in 1852 to house the county government, followed by
2485-460: The Tanasbourne neighborhood is a regional shopping area on the eastern edge of the city. The neighborhood is home to the lifestyle shopping center The Streets of Tanasbourne . The $ 55 million outdoor complex with 368,000 sq ft (34,200 m ) of retail space opened in 2004 with Meier & Frank (later Macy's ) as the anchor tenant. The other large shopping center in the city
2556-751: The Whispering Giants . Due to storm damage, it was removed in 2017. The city has two professional sports teams, the Portland Timbers 2 (T2) of MLS Next Pro who began play at Hillsboro Stadium in 2020 and the Hillsboro Hops of the Northwest League , a Minor League Baseball club affiliated with the Arizona Diamondbacks . The baseball team relocated from Yakima, Washington, in 2012 and began play as
2627-615: The Work Force Training Center ( Portland Community College ) and a branch of the University of Phoenix. Hillsboro is home to private primary and secondary schools including Faith Bible High School , St. Matthew Catholic School, Tualatin Valley Academy , and Renaissance Alternative School, among others. The weekly Hillsboro Tribune , launched in 2012, was based in Hillsboro. It was replaced in 2019 by
2698-700: The administrative, scientific, professional, or waste management industries. 68% of workers commute alone to the workplace, and 8% use public transportation. The average one-way commute time is about 24 minutes. Many technology companies operate in Hillsboro, making it the center of Oregon's Silicon Forest . In particular, Intel 's largest site is in Hillsboro, and includes three large campuses: Ronler Acres, Jones Farm, and Hawthorn Farm, along with several smaller campuses that employ about 16,000 workers. Other high-tech companies operating facilities in Hillsboro include Synopsys , Epson, Salesforce , and Oracle's (formerly Sun Microsystems) High-End Operations. Hillsboro
2769-519: The age of 18 living with them, 55% were married couples living together, 9% had a female householder with no husband present, and 32% were non-families. About 23% of all households were made up of individuals, and 5% had someone living alone who was 65 years of age or older. The average household size was 2.8 and the average family size was 3.3. City residents included about 28% under the age of 18, 11% from 18 to 24, 37% from 25 to 44, 17% from 45 to 64, and 6% who were 65 years of age or older. The median age
2840-549: The airport in 1982, and finally by the Ronler Acres campus in 1994. TriMet opened a Metropolitan Area Express (MAX) light rail line into the city in 1998. A cultural center was added in 2004, and a new city hall was completed in 2005. In 2008, SolarWorld opened a facility producing solar wafers , crystals, and cells, the largest plant of its kind in the Western Hemisphere. U.S. President Barack Obama visited
2911-416: The arrival of high-tech companies in the 1980s. Hillsboro has a council-manager government consisting of a city manager and a city council headed by a mayor. In addition to high-tech industry, sectors important to Hillsboro's economy are health care, retail sales, and agriculture, including grapes and wineries . The city operates more than twenty parks and the mixed-use Hillsboro Stadium , and ten sites in
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2982-656: The authority to impose fines for violations of the state's anti-pollution laws. In addition to its state mandate, the United States Environmental Protection Agency (EPA) has delegated authority to DEQ to administer federal environmental programs including the federal Clean Air Act , Clean Water Act , and Resource Conservation and Recovery Act within the state. DEQ was established by the Oregon Legislative Assembly in 1969 when it dissolved its predecessor,
3053-501: The city altered its charter and adopted a council-manager government with a six-person city council, a part-time mayor who determined major policies, and a city manager who ran day-to-day operations. On September 30, 1908, 5,000 people gathered as the Oregon Electric Railway opened a connection between the city and Portland with an interurban electric rail line, the first to reach the community. In January 1914,
3124-463: The city and Intel's Ronler Acres campus in February 2011. The United States Census Bureau reports the city has a total area of 21.6 sq mi (55.9 km ), all of which is land. In 2013, Hillsboro itself reported an area of 23.88 sq mi (61.8 km ), equivalent to 15,283 acres (61.8 km ). The city is located in the Tualatin Valley , and the Tualatin River forms part of
3195-716: The city are listed on the National Register of Historic Places (NRHP). Modes of transportation include private vehicles, public buses and light rail , and aircraft using the Hillsboro Airport . The city is home to Pacific University 's Health Professions Campus. The European-American community was founded by David Hill, Isaiah Kelsey, and Richard Williams, who arrived in the Tualatin Valley in 1841, followed by six more pioneers in 1842. The locality went by two other names—East Tualatin Plains and Columbia—before it
3266-510: The city are: Manufacturing is the leading employment sector in Hillsboro, employing 24% of the workforce, followed by health care, education, and social services with a total of 15%. One example of a manufacturer headquartered in Hillsboro is Beaverton Foods, a family-owned condiment manufacturer since 1929, with 70+ employees and $ 25 million in annual sales; it moved to its current headquarters in 2001. Retail employment constitutes 12%, construction makes up 7%, and 13% of workers are employed in
3337-646: The city councilors. Robby Hammond serves as the city's manager. At the federal level, Hillsboro lies in Oregon's 1st congressional district , represented by Suzanne Bonamici . In the State Senate , Hillsboro is in District 15, represented by Chuck Riley , District 13, represented by Kim Thatcher , and District 12 represented by Brian Boquist . In the House , Districts 24 ( Ron Noble ), 26 ( Courtney Neron ), 29 ( Susan McClain ) and 30 ( Janeen Sollman ) cover
3408-537: The city did not want to give the railroad land in exchange for the rail connection. Hillsboro was incorporated as the Town of Hillsboro on October 19, 1876, by the Oregon Legislature . The first mayor was A. Luelling, who took office on December 8, 1876, and served a one-year term. Notable later mayors included Congressman Thomas H. Tongue (1882 and 1886) and state senator William D. Hare (1885). In 1923,
3479-910: The city include a quadrant prefix: NW, NE, SW, or SE. Main Street is simply designated as East Main or West Main, and First Avenue is only North First or South First. Addresses on the streets' south side and the avenues' east side have even numbers, while odd numbers are on the opposite side. Hillsboro's street system contains 20 blocks per mile (12.5 blocks per kilometer). North–south through roadways are called avenues , while east–west roadways are called streets . All cul-de-sacs are named courts . Private roadways are named ways or places . Roads that curve can be named drives . Alleys are named lanes . Non-city streets may not conform to these naming conventions. The city's municipal code has designated several special plan areas, each of which follow area-specific plans and codes: Summers in Hillsboro are generally warm, but temperatures year-round are moderated by
3550-640: The city. Parts of county commissioner districts 1 ( Nafisa Fai ), 2 ( Pam Treece ), and 4 ( Jerry Willey ) overlap the city. In addition, Hillsboro lies within District 4 ( Juan Carlos González ) and District 3 ( Gerritt Rosenthal ) of the Metro regional government. Public schools in Hillsboro are operated by the Hillsboro School District (1J). The district is a unified school district with twenty-three elementary schools, four middle schools, and four high schools. The district also operates
3621-475: The city. Policy decisions are the responsibility of the council and mayor. Administrative functions are carried out by the manager and manager-appointed staff. Government functions are centered at the Hillsboro Civic Center , which houses the office of the city manager and is the location of the twice-monthly city council meetings. As of 2021, Steve Callaway was the mayor; Beach Pace, Rick Van Beveren, Kyle Allen, Anthony Martin, Olivia Alcaire, and Gina Roletto were
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#17327872913113692-519: The city. The population density was about 3,800/sq mi (1,500/km ). There were 35,487 housing units at an average density of about 1,500/sq mi (600/km ). Among the 33,289 households, about 38% had children under the age of 18 living with them, 51% were married couples living together, 11% had a female householder with no husband present, 5% had a male householder with no wife present, and 33% were non-families. About 24% of all households were made up of individuals, and 6% had someone living alone who
3763-416: The combined sewers, and added sumps and other devices to control surges of stormwater. These relatively low-cost efforts reduced the stormwater entering the system by more than 2 billion US gallons (7.6 Gl ) a year. By 2000, the city completed a more complicated project, the 3.5-mile (5.6 km) Columbia Slough Consolidation Conduit. A separate project completed in 2006 centered on construction of
3834-515: The corporate headquarters for Rodgers Instruments , Soloflex , Norm Thompson Outfitters , and Parr Lumber , among others. Fujitsu and NEC Corporation formerly had factories in Hillsboro. Hillsboro is also home to the Laika stop-motion animation studio, creator of the Oscar-nominated feature films Coraline (2009) and Paranorman (2012). In addition, Erickson Aero Tanker, an aviation company which operates McDonnell Douglas MD-87 jetliners converted for use as aerial firefighting air tankers ,
3905-461: The county. Most cities in Washington County use a numbering system and cardinal direction orientation based on a grid that begins at the Willamette River in downtown Portland, which was originally part of Washington County. For example, the street names in Beaverton generally include Southwest (SW) prefixes because Beaverton lies in the southwest quadrant of the Portland grid. Previously, some county road names and addresses in Hillsboro conformed to
3976-484: The financing for the projects is coming from sewer ratepayers and almost none from state or Federal governments. The route parallels the east side of the Willamette River mostly within a few blocks. Six vertical shafts were built to manage and facilitate tunnel construction. These are listed in reverse flow direction, or North to South. Download coordinates as: Oregon Department of Environmental Quality The Oregon Department of Environmental Quality (DEQ)
4047-416: The funds. The town's name was later simplified to Hillsboro. A log cabin was built in 1853 to serve as the community's first school, which opened in October 1854. Riverboats provided transportation to Hillsboro as early as 1867 when the side-wheel steamer Yamhill worked on the Tualatin River. In 1871, the Oregon and California Railroad line was extended to the area, but it ran just south of town because
4118-402: The pump station across Swan Island and under Waud Bluff and North Willamette Boulevard. There it meets the pre-existing Portsmouth Tunnel, which conveys combined sewage by gravity to the treatment plant. Costs associated with the CSO projects, which totaled about $ 1.4 billion, included $ 450 million for the East Side CSO Tunnel and $ 70 million for the Portsmouth Forcemain. Most of
4189-555: The river and the slough. In 1991, the city signed an agreement with the Oregon Department of Environmental Quality to nearly eliminate these CSOs. Over the next 20 years, the city took a series of steps to reach its goals: a 99 percent reduction in CSOs into the Columbia Slough by the year 2000 and a 94 percent reduction in CSOs into the river by December 2011. As first steps, the city helped property owners disconnect their roof drains from sewer lines, built separate storm sewers in some locations, diverted surface streams away from
4260-425: The same period. In 2007, there were 17,126 houses lived in by their owners, with an average home price in the city of $ 246,900. Bloomberg Businessweek listed the city as the fastest-growing in Oregon for the period between 1990 and 2010, for cities with populations over 10,000. As of the 2020 census , there were 106,447 people, 40,891 households, and 25,874 families residing in the city. The population density
4331-526: The seat of county government. Along the western edge of the city is Hillsboro Pioneer Cemetery , established in 1870, which serves as the final resting place of city pioneers and politicians. Next to the airport is the Westside Commons (known as the Washington County Fairgrounds, or Fair Complex, until 2019), home to the annual county fair. Located at Shute Park was the 25 ft (7.6 m) tall wood sculpture Chief Kno-Tah , donated to Hillsboro and dedicated in 1987 as part of Peter Wolf Toth 's Trail of
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#17327872913114402-619: The southern city limits. The city's terrain is fairly level, consistent with an agricultural past and the farms still in operation. Hillsboro is about 17 mi (27 km) west of Portland and immediately west of Beaverton , at an elevation of 194 ft (59 m) above sea level . In addition to the Tualatin River, streams include Dairy Creek , McKay Creek, Rock Creek, Dawson Creek, and Turner Creek. Neighboring communities in addition to Beaverton are Aloha , Cornelius , Glencoe , North Plains , Reedville , Scholls , and West Union . Hillsboro's street system differs from many others in
4473-404: The surface along the east bank of the Willamette River from the intersection of Southeast 17th Avenue and McLoughlin Boulevard to Swan Island . The pipe in the tunnel has an inside diameter of 22 feet (6.7 m). The East Side tunnel was the largest sewer construction project ever undertaken by the City of Portland. A contractor, Kiewit-Bilfinger Berger (KBB), used a tunnel boring machine that
4544-428: The west campus of Oregon Health & Science University (OHSU) while Pacific University operates a satellite Health Professions Campus in downtown adjacent to Tuality Community Hospital. The OHSU site was formerly that of the Oregon Graduate Institute (later OGI School of Science and Engineering ) and the Oregon National Primate Research Center portions of OHSU. Other educational opportunities are available at
4615-419: The world's second-tallest radio tower stood on the south side of the city, but in 1952, the wireless telegraph tower was demolished. During the 1950s and 1960s, the privately owned company Tualatin Valley Buses, Inc. , provided transit service connecting Hillsboro with Beaverton and Portland. It was taken over by the publicly owned transit agency TriMet in 1970. In 1972, the Hillsboro City Council passed
4686-483: Was 30 years. For every 100 females, there were about 106 males. The median household income was about $ 52,000 and the median family income was $ 57,000. Males had a median income of $ 41,000 compared to $ 30,000 for females. The per capita income for the city was about $ 22,000. Approximately 6% of families and 9% of the population were below the poverty line , including 11% of those under age 18 and 8% of those age 65 or over. In 2007, 28% of people 25 and older held at least
4757-459: Was 300 feet (91 m) long and had a cutting head that was 25 feet (7.6 m) in diameter. In addition to the tunnel and the pipe, the project involved building seven access shafts, connecting pipelines, and the Portsmouth Forcemain, which carries sewage from the Swan Island Pump Station to the Columbia Boulevard Wastewater Treatment Plant. The Portsmouth Forcemain, 3 miles (4.8 km) long and 66 inches (170 cm) in diameter, runs north from
4828-403: Was 65 years of age or older. The average household size was 2.58 and the average family size was 3.21. The median age in the city was 34.8 years. About 20% of residents were under the age of 18 and 11% were 65 years of age or older The gender makeup of the city was 50.0% male and 50.0% female. As of the 2010 census , there were 91,611 people, 33,289 households, and 22,440 families residing in
4899-479: Was 65 years of age or older. The average household size was 2.71 and the average family size was 3.24. The median age in the city was 32 years. About 27% of residents were under the age of 18; 9% were between the ages of 18 and 24; 35% were from 25 to 44; 21% were from 45 to 64; and 8% were 65 years of age or older. The gender makeup of the city was 50.2% male and 49.8% female. As of the 2000 census , there were 25,079 households, of which about 38% had children under
4970-494: Was about 4,119/sq mi (1,600/km ). There were 42,363 housing units at an average density of about 1,639/sq mi (600/km ). Among the 40,891 households, about 27.8% had children under the age of 18 living with them, 51% were married couples living together, 7% had a female householder with no husband present, 5% had a male householder with no wife present, and 37% were non-families. About 26% of all households were made up of individuals, and about 8% had someone living alone who
5041-400: Was named "Hillsborough" in February 1850 in honor of Hill, when he sold part of his land claim to the county. On February 5, 1850, commissioners chosen by the territorial legislature selected the community to be the seat of the county government. Hill was to be paid $ 200 for his land after plots had been sold for the town site, but he died before this occurred, and his widow Lucinda received
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