Washington County (Oregon)

from Wikipedia, the free encyclopedia
Washington County Courthouse
Washington County Courthouse
administration
US state : Oregon
Administrative headquarters : Hillsboro
Foundation : 1843
Demographics
Residents : 529,710  (2010)
Population density : 282.7 inhabitants / km 2
geography
Total area : 1881 km²
Water surface : 7 km²
map
Map of Washington County within Oregon
Website : www.co.washington.or.us

Washington County is a county in the northwest of the US state Oregon with 499,794 inhabitants (as of 2005), making it the second largest of the 36 counties in Oregon by population. The county seat is in Hillsboro . It was named after President George Washington .

geography

The county covers an area of ​​1,881 square kilometers; of which 7 square kilometers (0.36 percent) are water, which also includes the Ki-a-Kuts Falls .

history

The county was founded on July 5, 1843 and named after George Washington.

45 buildings and sites in the county are listed on the National Register of Historic Places (NRHP) (as of July 18, 2018).

Demographic data

Population development
Census Residents ± in%
1850 2052 -
1860 2801 36.5%
1870 4261 52.1%
1880 7082 66.2%
1890 11,972 69%
1900 14,467 20.8%
1910 21,522 48.8%
1920 26,376 22.6%
1930 30,275 14.8%
1940 39.194 29.5%
1950 61,269 56.3%
1960 92,237 50.5%
1970 157.920 71.2%
1980 245,808 55.7%
1990 311,554 26.7%
2000 445,342 42.9%
2010 529.710 18.9%
Before 1900

1900-1990 2000

Washington County's age pyramid (as of 2000)

As of the 2000 census , the county was home to 445,342 people. There were 169,162 households and 114,015 families. The population density was 238 inhabitants per square kilometer. The racial the population was composed of 82.19% white, 1.15% African American, 0.65% Native American, 6.68% Asian, 0.30% residents from the Pacific island area and 5.86% from others ethnic groups; 3.17% were from two or more races. Hispanic or Latino of any race was 11.17% of the population.

Of the 169,162 households, 35.60% had children and adolescents under the age of 18 living with them. 54.50% were married couples living together, 9.00% were single mothers. 32.60% were not families. 24.70% were single households and 6.70% had someone who was 65 years of age or older. The average household size was 2.61 and the average family size was 3.14.

For the entire county, the population was composed of 26.90% residents under 18 years of age, 9.30% between 18 and 24 years of age, 34.10% between 25 and 44 years of age, 20.90% between 45 and 64 years of age 8.80% were 65 years of age or over. The median age was 33 years. For every 100 females there were 99.10 males, and for every 100 females aged 18 and over there were 97.00 males.

The median income for a household in the county is $ 52,122 , and the median income for a family is $ 61,499. Males had a median income of $ 43,304 versus $ 31,074 for females. The per capita income was $ 24,969. 7.40% of the population and 4.90% of families are below the poverty line. 8.30% of them were under 18 years of age and 5.30% were 65 years of age or older.

Individual evidence

  1. ^ Washington County in the Geographic Names Information System of the United States Geological Survey . Retrieved February 22, 2011
  2. ↑ Charles Curry Aiken, Joseph Nathan Kane: The American Counties: Origins of County Names, Dates of Creation, Area, and Population Data, 1950-2010 . 6th edition. Scarecrow Press, Lanham 2013, ISBN 978-0-8108-8762-6 , p. 321 .
  3. ↑ Search mask database in the National Register Information System. National Park Service , accessed July 18, 2018.
  4. ↑ US Census Bureau - Census of Population and Housing . Retrieved March 15, 2011
  5. ↑ Extract from Census.gov . Retrieved February 28, 2011
  6. ↑ Excerpt from factfinder.census.gov.Retrieved February 28, 2011

Web links

Commons : Washington County, Oregon  - Collection of pictures, videos, and audio files

Coordinates: 45 ° 34 ′  N , 123 ° 5 ′  W