May we count your visit with Google Analytics? It uses cookies and sends visit data to Google. You can change this any time under Cookie choices. Privacy

Where am ILOCATED

Washington County, Oklahoma

Washington County, Oklahoma, has 54,037 residents (July 2025 estimate). Its county seat is Bartlesville. It uses Central Time and covers 416 sq mi (1,076 km²) of land.

Oklahoma CityTulsaNorman
Washington County in Oklahoma
Nowata CountyOsage CountyBartlesvilleDeweyCopanRamonaOchelata
Washington County and its neighbors (simplified outlines). Open in OpenStreetMap ↗
Resident population, July 2025
54,037
Land area
416 sq mi (1,076 km²)
County seat or government
Bartlesville
Time zone
Central TimeUTC-06:00 in January; UTC-05:00 in July
Median household income
$60,162 ± $2,298
Median home value
$173,200 ± $7,852
Median rent, with utilities
$907 ± $36
Homes lived in by their owners
71.9% ± 1.9 points
County type
County
Metro or micro area
Bartlesville, OK micro areaCentral county
Water area
8.83 sq mi (22.9 km²)
State
Oklahoma
County code (FIPS)
40147
Coordinates (central point)
36.704403, -95.906253
Open this point in the location finder

These coordinates mark a central point for the area, not a street address. Income, home value, rent and homes lived in by their owners: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, ± margin at 90% confidence; checked on October 13, 2026.

Time zones in Washington County

Time zoneLocal time and UTC offsetNext clock change
Central TimeAmerica/ChicagoUTC-06:00 in January; UTC-05:00 in July. Enable JavaScript for the live clock.Enable JavaScript for upcoming changes.

Near a time-zone line, check where you are with the time-zone finder. Your phone’s setting can differ.

ZIP Code areas, largest first

  1. 7400627,911 people
  2. 7402123,628 people
  3. 7407015,447 people
  4. 7400314,024 people
  5. 740485,559 people
  6. 740295,331 people
  7. 740803,003 people
  8. 740612,245 people
  9. 740511,888 people
  10. 740221,793 people
  11. 74083791 people
  12. 74082137 people

12 ZIP Code areas overlap Washington County. People counts are 2020–2024 estimates for each whole ZIP area. Mailing ZIPs can differ; check an address with USPS ZIP Code Lookup.

Official county information

Washington County government website ↗ is the next stop for county offices, tax, voting, jury and records information. A geographic lookup cannot determine eligibility, tax liability or a court obligation.

School districts in Washington County, largest first

  1. Bartlesville Public Schools40,352 people
  2. Collinsville Public Schools16,928 people
  3. Skiatook Public Schools12,797 people
  4. Caney Valley Public Schools5,719 people
  5. Dewey Public Schools5,368 people
  6. Oklahoma Union Public Schools2,488 people
  7. Copan Public Schools2,131 people
  8. Avant Public School1,485 people

Districts with land in the county; a district can cross county lines. People counts are American Community Survey 2020–2024 5-year estimates. A district boundary doesn’t decide which school a student attends.

Tribal areas in Washington County, largest first

  1. Cherokee Oklahoma Tribal Statistical Area521,336 people

American Indian, Alaska Native and Native Hawaiian areas as the Census Bureau maps them, with at least 2% of their area here, water included. These lines don’t decide membership, jurisdiction or land status.

Cities, towns and communities, largest first

These areas overlap the mapped boundary; an overlap does not mean that every address belongs to both.

  1. Bartlesville, Oklahoma (city)37,878 people
  2. Dewey, Oklahoma (city)3,412 people
  3. Copan, Oklahoma (town)772 people
  4. Ramona, Oklahoma (town)629 people
  5. Ochelata, Oklahoma (town)599 people
  6. Vera, Oklahoma (town)323 people

Bordering areas, nearest first

Distances are straight lines between map points.

  1. Nowata County, Oklahoma17 mi east
  2. Rogers County, Oklahoma28 mi southeast
  3. Osage County, Oklahoma28 mi west
  4. Montgomery County, Kansas35 mi north
  5. Chautauqua County, Kansas36 mi northwest
  6. Tulsa County, Oklahoma40 mi south

Before using this answer on a form

Use a precise point for address-level questions. A device accuracy circle can cross a boundary; confirm tax, voting or jury details with the responsible office.

Find the county where you are now, check its ZIP area, or check the time zone where you are.

See this county on Census.gov ↗

Areas that only touch the edge

These areas meet the boundary only along a sliver. Most addresses here are not in them; for an address near the line, check with the county.