Washington County's 2026 population is estimated at 38,858, reflecting a 1.37% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Washington County is the 86th largest county in Texas. The 2010 population was 33,695 and has grown 15.32% since 2010.
Data after 2023 is projected based on recent change
Overall: 40.9 years
Female: 44.3 years
Male: 38.1 years
There are 28,890 adults, (8,464 of whom are seniors) in Washington County.
Female: 18,470 (50.4%)
Male: 18,177 (49.6%)
The racial composition of Washington County includes 66.82% White, 14.24% Black or African American, 4.14% other race, and smaller percentages for Asian, Native American and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 24,488 | 66.82% |
| Black or African American | 5,218 | 14.24% |
| Two or more races | 4,638 | 12.66% |
| Other race | 1,516 | 4.14% |
| Asian | 529 | 1.44% |
| Native American | 258 | 0.7% |
Washington County 's average per capita income is $49,682. Household income levels show a median of $77,825. The poverty rate stands at 13.42%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $108,739 | - |
| Families | $96,345 | $130,677 |
| Households | $77,825 | $105,165 |
| Non Families | $43,606 | $55,841 |
Average Income
Median Household Income
Poverty Rate
