County · Oklahoma
Washington County, Oklahoma
Washington County, Oklahoma. Washington County had 54,037 residents in 2025 by the Census Bureau's estimate, up 3.0% since 2020, slower than Oklahoma (+4.1%). It holds 6 places (6 cities, villages and boroughs) and 14 census tracts. GEOID 40147.
Washington County is the county of the Bartlesville, OK micropolitan statistical area (the Census Bureau's July 2023 delineation).
Residents, July 2025 estimate
54,037
Census Bureau estimate (no margin published)
2020 Census count: 52,455 · ACS 2020-2024: 53,326
Median household income
$60,162
±$2,298 (90% margin)
Oklahoma: $65,039
Median home value
$173,200
±$7,852 (90% margin)
Oklahoma: $199,800
Median gross rent
$907
±$36 (90% margin)
Oklahoma: $1,014
How many people live in Washington County, and is it growing?
The 2020 Census counted 52,455 residents in Washington County. The Census Bureau estimates 54,037 for July 1, 2025, up 3.0% since 2020, slower than Oklahoma (+4.1%). The 2020-2024 American Community Survey puts the population at 53,326 over 416 square miles of land.
| Measure | Washington County | Oklahoma | Change since 2015-2019 |
|---|---|---|---|
| Total population | 53,326 | 4,028,634 | +1,440 |
| Households | 20,957±233 | 1,562,389 | +502 |
| Average household size | 2.49±0.03 | 2.50 | no clear change |
| Housing units | 23,741±57 | 1,775,127 | no clear change |
Washington County's population since 2000
From 48,996 in 2000 to 54,037 in 2025: up 10.3%. The 2000, 2010 and 2020 figures are census counts. The 2005 figure is the Census Bureau's intercensal estimate, revised to fit the 2000 and 2010 counts and drawn on 2010 boundaries; 2015 and 2025 are July 1 estimates made from the census before them.
Source: The 2000, 2010 and 2020 Census counts and the Census Bureau's population estimates (intercensal 2000-2010, Vintage 2020, Vintage 2025) · Census population estimates
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); PEP Vintage 2025 (CO-EST2025); 2020 Census · Check it at data.census.gov
What cities and towns are in Washington County?
Washington County holds 6 places: 6 cities, villages and boroughs (incorporated places). The largest is Bartlesville with 38,278 residents (2025 estimate). Places that cross a county line are listed with the share of their 2020 residents who live in this county.
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 place-by-county parts · Check it at data.census.gov
Who lives in Washington County?
The median resident of Washington County is 39.2 years old; 24.0% are under 18 and 20.3% are 65 or older. The largest group is non-Hispanic white residents at 70.2%, then non-Hispanic residents of two or more races at 10.2%. 3.5% of residents were born outside the United States.
| Measure | Washington County | Oklahoma | Change since 2015-2019 |
|---|---|---|---|
| Median age | 39.2±0.4 | 37.0 | −1.0 |
| Under 18 years | 24.0% | 24.0% | – |
| 65 years and over | 20.3%±0.2 pts | 16.3% | – |
| Hispanic or Latino (any race) | 6.9% | 12.7% | +0.9 pts |
| White alone, not Hispanic | 70.2%±0.4 pts | 62.1% | −2.6 pts |
| Black or African American alone, not Hispanic | 2.4%±0.4 pts | 6.8% | no clear change |
| Asian alone, not Hispanic | 2.0%±0.2 pts | 2.4% | no clear change |
| American Indian and Alaska Native alone, not Hispanic | 8.2%±0.7 pts | 6.6% | – |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0%±0.1 pts | 0.2% | – |
| Two or more races, not Hispanic | 10.2%±0.8 pts | 8.9% | – |
| Some other race alone, not Hispanic | 0.1%±0.1 pts | 0.3% | – |
| Born outside the United States | 3.5%±0.5 pts | 6.4% | −1.0 pts |
| Speak a language other than English at home (age 5+) | 6.5%±0.8 pts | 11.5% | – |
| Civilian veterans (age 18+) | 7.7%±0.7 pts | 7.9% | – |
| With a disability | 19.0%±1.1 pts | 17.2% | – |
| No health insurance coverage | 11.1%±1.0 pts | 12.9% | −2.5 pts |
| High school graduate or higher (age 25+) | 92.6%±0.9 pts | 89.4% | – |
| Bachelor's degree or higher (age 25+) | 30.1%±1.5 pts | 28.3% | no clear change |
| Graduate or professional degree (age 25+) | 9.3%±1.1 pts | 9.9% | – |
| Moved from another state in the past year | 2.5%±0.8 pts | 2.7% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profiles DP02, DP05) · Check it at data.census.gov
What do households in Washington County earn?
Half of Washington County's 20,957 households earn less than $60,162 a year (±$2,298), against $65,039 in Oklahoma. In 2015-2019 the median was $67,684 in 2024 dollars, so it fell by $7,522 after inflation. 16.1% of residents live below the poverty line.
| Measure | Washington County | Oklahoma | Change since 2015-2019 |
|---|---|---|---|
| Median household income | $60,162±$2,298 | $65,039 | −$7,522 |
| Mean household income | $87,082±$3,884 | $88,936 | – |
| Per capita income | $35,209±$1,401 | $35,624 | −$2,754 |
| People below the poverty line | 16.1%±1.7 pts | 15.3% | +2.8 pts |
| Children under 18 below the poverty line | 21.9%±3.9 pts | 20.1% | no clear change |
| Households receiving SNAP | 15.5%±1.3 pts | 14.1% | – |
| Households with a broadband subscription | 86.9%±1.7 pts | 88.9% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
What does housing cost in Washington County?
Owners occupy 71.9% of Washington County's occupied homes and renters 28.1%. The median owner-occupied home is valued at $173,200 by its owner (±$7,852). The median renter pays $907 a month including utilities, and 39.4% of renters pay 35% or more of their income on rent.
| Measure | Washington County | Oklahoma | Change since 2015-2019 |
|---|---|---|---|
| Median home value (owner-occupied) | $173,200±$7,852 | $199,800 | +$24,778 |
| Median gross rent | $907±$36 | $1,014 | no clear change |
| Renters paying 35% or more of income on rent | 39.4%±3.9 pts | 37.5% | +5.8 pts |
| Median monthly owner costs, with a mortgage | $1,413±$68 | $1,539 | – |
| Owner-occupied homes | 71.9%±1.9 pts | 65.8% | no clear change |
| Housing units | 23,741±57 | 1,775,127 | no clear change |
| Homeowner vacancy rate | 1.5%±0.5 pts | 1.2% | – |
| Rental vacancy rate | 5.8%±1.8 pts | 6.5% | – |
| Single-family detached homes | 79.7%±1.5 pts | 72.7% | – |
| Mobile homes | 6.0%±0.9 pts | 8.2% | – |
| Built 2020 or later | 0.8%±0.3 pts | 2.0% | – |
| Built 1939 or earlier | 9.5%±1.0 pts | 6.9% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP04) · Check it at data.census.gov
How many new homes is Washington County building?
Builders took permits for 19 new housing units across Washington County in 2025 (17 single-family), 0.4 per 1,000 residents.
Source: Building Permits Survey, annual county files 2019-2025, U.S. Census Bureau · Census Building Permits Survey
How do people in Washington County get to work?
77.3% of Washington County's workers drive alone and 7.6% work from home. The average trip to work takes 20.7 minutes. The unemployment rate in 2020-2024 averaged 4.4%.
| Measure | Washington County | Oklahoma | Change since 2015-2019 |
|---|---|---|---|
| In the labor force (age 16+) | 57.3%±1.5 pts | 61.2% | – |
| Unemployment rate | 4.4%±0.9 pts | 5.0% | no clear change |
| Drove alone to work | 77.3%±1.8 pts | 77.4% | – |
| Carpooled | 11.1%±1.3 pts | 9.7% | – |
| Public transportation | 0.3%±0.2 pts | 0.3% | – |
| Walked | 1.8%±0.6 pts | 1.8% | – |
| Worked from home | 7.6%±1.3 pts | 9.4% | +3.9 pts |
| Mean travel time to work | 20.7 min±1.0 | 22.4 min | +1.8 min |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
What are Washington County's census tracts?
Washington County is divided into 14 census tracts. Among those with a reliable estimate, median household income runs from $28,229 (Tract 9) to $105,476 (Tract 12).
| Tract 140147000100 | 1,913±271 | $60,662 |
|---|---|---|
| Tract 240147000200 | 1,725±259 | $30,950 |
| Tract 340147000300 | 2,319±322 | $43,306 |
| Tract 440147000400 | 4,468±405 | $57,813 |
| Tract 540147000500 | 6,292±578 | $60,466 |
| Tract 6.0140147000601 | 4,992±426 | $42,992 |
| Tract 6.0240147000602 | 3,055±316 | $95,993 |
| Tract 740147000700 | 7,013±515 | $102,250 |
| Tract 840147000800 | 3,717±310 | $55,925 |
| Tract 940147000900 | 2,082±248 | $28,229 |
| Tract 1040147001000 | 2,223±254 | $52,734 |
| Tract 1140147001100 | 5,143±423 | $57,909 |
| Tract 1240147001200 | 2,517±256 | $105,476 |
| Tract 1340147001300 | 5,867±336 | $62,667 |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) · Check it at data.census.gov
How does Washington County compare with Oklahoma's other counties?
| Measure | Rank |
|---|---|
| Population | 14th of 77 |
| Growth 2020-2025 | 26th of 77 |
| Residents per square mile | 7th of 77 |
| Median household income | 37th of 77 |
| Median home value | 19th of 77 |
| Median gross rent | 17th of 77 |
| Poverty rate | 47th of 77 |
| Bachelor's degree or higher | 11th of 77 |
| Median age | 43rd of 77 |
Source: PlainCities ranks from the American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) and PEP Vintage 2025 · How ranks are computed
How these figures are made: methodology and release checks · reading a margin of error · every state · corrections
Not on this page: crime, weather and schools for Washington County are other agencies' records. Crime: the FBI's Crime Data Explorer · climate: NOAA's U.S. Climate Normals · schools: the National Center for Education Statistics' school search.