Washington County, Oklahoma Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 14th-largest in Oklahoma
The population of Washington County, Oklahoma is 52,895 as of the 2023 American Community Survey, making it the 14th-largest county in Oklahoma. The median household income is $61,205, the median home value is $160,900, and the median age is 39.4.
The population of Washington County has grown 5.9% since 2010 (51,071 → 54,060), a +0.41% annualized rate.
52,895
Population
+0.41%
Annual growth
127
People / sq mi
$61,205
Median Income
$160,900
Median Home Value
Washington County covers 416 sq mi of land at 127.3 people per square mile.
About Washington County, OK
Washington County is defined demographically by education — 30.5% of adults hold a bachelor’s degree, below the national average. With 52,895 residents, Washington County is a county in Oklahoma. It ranks #14 among counties in Oklahoma by population.
Household earnings are middling, with a median of $61,205 — below the US median of $78,538. About 11.1% of residents live below the federal poverty level, below the national 12.4%. Median home value is $160,900, with typical rent around $903.
Educational attainment is on the higher side for US counties — 30.5% of adults hold a four-year degree, below the national 35.0%. Remote work is below the national 14.0% at 6.6%, and the average commute runs about 20 minutes each way.
The education numbers are the throughline: a college-heavy population in Washington County usually coincides with higher incomes and a workforce concentrated in professional and information industries.
Washington County Population History (2010-2024)
The county of Washington County had a population of 51,071 in 2010 and 54,060 in 2024, a 5.9% growth over 14 years. The peak was 54,060 in 2024. Average annual growth rate: 0.41%.
54,060
Population (2024)
51,071
Population (2010)
54,060
Peak (2024)
0.41%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 51,071 |
| 2011 | 51,378 |
| 2012 | 51,655 |
| 2013 | 51,684 |
| 2014 | 52,044 |
| 2015 | 52,144 |
| 2016 | 52,099 |
| 2017 | 52,107 |
| 2018 | 51,881 |
| 2019 | 51,665 |
| 2020 | 52,606 |
| 2021 | 52,902 |
| 2022 | 53,289 |
| 2023 | 53,772 |
| 2024 | 54,060 |
Race & Ethnicity
| White | 72.8% |
| Black or African American | 2.7% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 16.8% |
| Two or More Races | 0.0% |
Age & Sex
39.4
Median Age
50.7%
Female
49.3%
Male
20.0%
Age 65+
Age Distribution
Children (under 15): 19.8% · Seniors (65+): 20.0%
Income & Poverty
| Median household income | $61,205$-2,398 vs state |
| Mean household income | $86,952 |
| Per-capita income | $34,969 |
| Poverty rate | 11.1% |
| Unemployment rate | 2.2% |
| Employment-to-population | 55.2% |
Top Industries by Employment
The largest employment sector in Washington County is professional & business services, accounting for 22.4% of workers.
How residents commute
0.3%
Drive alone
1.9%
Carpool
77.1%
Public transit
6.6%
Work from home
20.4 min
Avg commute
Housing
$160,900$-25,000 vs state
Median home value
$903
Median rent
71.8%
Homeownership rate
23,745
Total housing units
86.7%
Occupied
13.3%
Vacant
28.2%
Renter-occupied
Social & access
88.5%
With health insurance
92.8%
With broadband internet
36.8%
Foreign-born
8.1%
Veterans (18+)
18.0%
With a disability
93.7%
Speak language other than English at home
Education
91.5%
High School+
30.5%
Bachelor's+
Largest cities in Oklahoma
Other counties in Oklahoma
Part of Oklahoma
Metro areas in Oklahoma
County rankings
Frequently Asked Questions
Washington County, Oklahoma has a population of 52,895 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 14th-largest county in Oklahoma. Population density is 127 people per square mile.
The population of Washington County has grown 5.9% since 2010 (51,071 → 54,060), a +0.41% annualized rate.
The median household income in Washington County, Oklahoma is $61,205, with mean (average) household income of $86,952 and per-capita income of $34,969. 11.1% of residents live below the federal poverty level.
In Washington County, the largest racial and ethnic groups are White (72.8%), Hispanic or Latino (16.8%), Black or African American (2.7%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Washington County, Oklahoma is 39.4 years. Residents are 50.7% female and 49.3% male.
The median home value in Washington County is $160,900 and median monthly rent is $903. 71.8% of occupied housing units are owner-occupied. The county has 23,745 total housing units, 13.3% of which are vacant.
The largest employment sector in Washington County, Oklahoma is professional, scientific, and management services, employing 22.4% of workers. The unemployment rate is 2.2%.
Oklahoma City is among the largest cities associated with Washington County, Oklahoma, with a population of 688,693.
Washington County, OK Climate
Washington County, OK has an average annual temperature of 14.9°C (59°F) and receives about 1012 mm of precipitation per year. The warmest month is July and the coldest is January. Figures are 1970–2000 climate normals.
14.9°C
Avg Temp
1012
Precip (mm/yr)
Jul
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | 1° / 34° | 37 mm |
| February | 4° / 40° | 48 mm |
| March | 10° / 50° | 88 mm |
| April | 15° / 59° | 98 mm |
| May | 20° / 68° | 121 mm |
| June | 25° / 76° | 117 mm |
| July | 27° / 81° | 78 mm |
| August | 27° / 80° | 78 mm |
| September | 22° / 72° | 123 mm |
| October | 16° / 61° | 91 mm |
| November | 9° / 48° | 81 mm |
| December | 3° / 38° | 52 mm |
1970–2000 normals from WorldClim 2.1 (~9 km grid). Precipitation can be less precise near mountains or coastlines, where rainfall varies sharply over short distances.
Best time to visit Washington County, OK
The most comfortable months to visit Washington County, OK are typically May, September and June, when temperatures are mildest and rainfall is relatively low. The hottest month is July (around 34°C high). The coldest is January (near -5°C low). September is usually the wettest month.
Where to stay near Washington County
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Population, race, income, age, and trends across Oklahoma
Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.