Washington County's estimated 2026 population is 54,181 with a growth rate of 0.27% in the past year according to the most recent United States census data. Washington County is the 15th largest county in Oklahoma. The 2010 population was 51,071 and has seen a growth of 6.09% since that time.
Data after 2023 is projected based on recent change
Overall: 39.2 years
Female: 40.8 years
Male: 37.8 years
There are 40,506 adults, (10,803 of whom are seniors) in Washington County.
Female: 27,114 (50.8%)
Male: 26,212 (49.2%)
The racial composition of Washington County includes 72.17% White, 8.53% Native American, and smaller percentages for Black or African American, Asian, other race, Native Hawaiian or Pacific Islander and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| White | 38,484 | 72.17% |
| Two or more races | 6,849 | 12.84% |
| Native American | 4,548 | 8.53% |
| Black or African American | 1,289 | 2.42% |
| Asian | 1,078 | 2.02% |
| Other race | 1,067 | 2% |
| Native Hawaiian or Pacific Islander | 11 | 0.02% |
Washington County's average per capita income is $43,093. Household income levels show a median of $60,162. The poverty rate stands at 16.06%.
Name | Median | Mean |
|---|---|---|
| Married Families | $100,159 | $125,203 |
| Families | $80,125 | $106,068 |
| Households | $60,162 | $87,082 |
| Non Families | $34,583 | $47,986 |
Average Income
Median Household Income
Poverty Rate