Greene County's 2026 population is estimated at 176,371, reflecting a 1.15% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Greene County is the 18th largest county in Ohio. The 2010 population was 161,599 and has grown 9.14% since 2010.
Data after 2023 is projected based on recent change
Overall: 38.7 years
Female: 40.3 years
Male: 37.5 years
There are 134,798 adults, (31,551 of whom are seniors) in Greene County.
Female: 85,471 (50.4%)
Male: 84,217 (49.6%)
The racial composition of Greene County includes 82.05% White, 5.96% Black or African American, 3% Asian, and smaller percentages for other race, Native American, Native Hawaiian or Pacific Islander and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 139,223 | 82.05% |
| Two or more races | 12,798 | 7.54% |
| Black or African American | 10,118 | 5.96% |
| Asian | 5,095 | 3% |
| Other race | 2,122 | 1.25% |
| Native American | 246 | 0.14% |
| Native Hawaiian or Pacific Islander | 86 | 0.05% |
Greene County 's average per capita income is $60,042. Household income levels show a median of $87,309. The poverty rate stands at 9.84%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $129,486 | $149,223 |
| Families | $114,959 | $134,500 |
| Households | $87,309 | $110,530 |
| Non Families | $50,716 | $65,340 |
Average Income
Median Household Income
Poverty Rate