Washington County's 2026 population is estimated at 12,426, reflecting a 0.47% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Washington County is the 90th largest county in Kentucky. The 2010 population was 11,683 and has grown 6.36% since 2010.
Overall: 42.3 years
Female: 43.6 years
Male: 40 years
There are 9,357 adults, (2,367 of whom are seniors) in Washington County.
Female: 6,125 (50.5%)
Male: 6,015 (49.5%)
The racial composition of Washington County includes 87.43% White, 4.64% Black or African American, and smaller percentages for Asian, other race and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 10,614 | 87.43% |
| Two or more races | 878 | 7.23% |
| Black or African American | 563 | 4.64% |
| Asian | 71 | 0.58% |
| Other race | 14 | 0.12% |
Washington County 's average per capita income is $43,417. Household income levels show a median of $61,616. The poverty rate stands at 12.75%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $92,131 | - |
| Families | $79,180 | $93,171 |
| Households | $61,616 | $77,964 |
| Non Families | $27,039 | $45,869 |
Average Income
Median Household Income
Poverty Rate