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County ProfileOR

Washington County

Population: 600,372 · 83 ZIP codes

Demographics

Source: U.S. Census Bureau (ACS/Decennial). Estimates vary by year.

People
Total population
600,372
People
Median age
38.1
Housing
Total households
235,406
Income
Median household income
$107,772
Housing
Total housing units
243,278
Employment
Employment rate
65.4%
Education
Bachelor’s degree or higher
47.5%
Healthcare
Insured population
94.8%
County details
Local time 01:42:57(PT)
NameWashington
Total ZIP codes83total
ZIP codes (by type)
54 Standard22 PO Box7 Unique
Area code503, 971
TimezonePacific Time (PT)
Coordinates45.5535419, -123.0976146
Land area724.3 sq miles(1,875.9 km²)

Map of Washington county, Oregon with ZIP codes

Map of Washington County, Oregon and ZIP codes

Cities and Communities in Washington County

Compare the largest cities in Washington County by population, median income, and growth. Use the table below to analyze key demographic shifts across the region.

CityPopulation
Median incomeHousehold
ZIP codes
Portland652,503$90,91959ZIPs
Hillsboro106,447$106,4093ZIPs
Beaverton97,494$98,62210ZIPs
Tualatin27,942$104,0431ZIPs
Forest Grove26,225$87,9331ZIPs
Sherwood20,450$109,9661ZIPs
Cornelius12,694$96,2731ZIPs
North Plains3,441$117,6391ZIPs
Banks1,837$86,0871ZIPs
Gales Creek6931ZIPs
Gaston676$125,6251ZIPs
Buxton5631ZIPs
Manning2161ZIPs
Timber1881ZIPs

Data unavailable or suppressed by the U.S. Census Bureau for areas with small sample sizes to protect individual privacy.

ZIP Codes in Washington County

Review the most populated postal areas across Washington County. Use the ranking below to compare resident density and demographic scales between the county's major zones.

ZIPCity
Median incomeHousehold
Population (ZIP)
97229Portland$161,57073,602
97124Hillsboro$110,06753,487
97206Portland$98,54851,072
97223Portland$106,75749,967
97123Hillsboro$109,98548,369
97007Beaverton$123,53348,280
97006Beaverton$104,79046,853
97202Portland$104,97143,193
97219Portland$121,30642,474
97233Portland$60,19841,625
97230Portland$75,57241,562
97236Portland$75,09040,193
97224Portland$98,12537,365
97222Portland$83,11936,316
97266Portland$72,57736,095
97217Portland$100,36136,086
97203Portland$78,66033,763
97211Portland$112,58633,762
97267Portland$87,41831,851
97213Portland$97,06831,260

Data Sources & Citations

The geographic and demographic information presented on this site is compiled from publicly available, authoritative sources, including:

  • United States Census BureauDemographic, population, housing, and socioeconomic data sourced from Census Bureau datasets, including the Decennial Census and the American Community Survey (ACS).Census Data
  • United States Postal Service (USPS)ZIP code classifications, delivery types, and postal designations used for reference purposes. USPS ZIP codes are intended for mail delivery and may not always align exactly with Census geographic boundaries.USPS