Washington County's estimated 2026 population is 58,179 with a growth rate of -0.36% in the past year according to the most recent United States census data. Washington County is the 45th largest county in Ohio. The 2010 population was 61,714 and has seen a growth of -5.73% since that time.
Data after 2023 is projected based on recent change
Overall: 44 years
Female: 45.5 years
Male: 42.6 years
There are 47,272 adults, (13,114 of whom are seniors) in Washington County.
Female: 29,473 (50%)
Male: 29,505 (50%)
The racial composition of Washington County includes 93.87% White, and smaller percentages for Black or African American, other race, Asian, Native American and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| White | 55,364 | 93.87% |
| Two or more races | 2,189 | 3.71% |
| Black or African American | 509 | 0.86% |
| Other race | 482 | 0.82% |
| Asian | 324 | 0.55% |
| Native American | 110 | 0.19% |
Washington County's average per capita income is $43,861. Household income levels show a median of $63,603. The poverty rate stands at 13.75%.
Name | Median | Mean |
|---|---|---|
| Married Families | $91,497 | $109,013 |
| Families | $80,639 | $95,829 |
| Households | $63,603 | $81,514 |
| Non Families | $34,176 | $50,832 |
Average Income
Median Household Income
Poverty Rate