Clermont County's 2026 population is estimated at 217,965, reflecting a 0.89% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Clermont County is the 14th largest county in Ohio. The 2010 population was 197,613 and has grown 10.3% since 2010.
Data after 2023 is projected based on recent change
Overall: 40.8 years
Female: 41.8 years
Male: 39.7 years
There are 164,459 adults, (38,826 of whom are seniors) in Clermont County.
Female: 106,538 (50.4%)
Male: 104,643 (49.6%)
The racial composition of Clermont County includes 91.56% White, and smaller percentages for Black or African American, Asian, other race, Native American and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 193,358 | 91.56% |
| Two or more races | 9,736 | 4.61% |
| Black or African American | 3,218 | 1.52% |
| Asian | 2,566 | 1.22% |
| Other race | 2,203 | 1.04% |
| Native American | 100 | 0.05% |
Clermont County 's average per capita income is $54,963. Household income levels show a median of $85,510. The poverty rate stands at 9.12%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $119,873 | $146,361 |
| Families | $104,101 | $128,463 |
| Households | $85,510 | $108,776 |
| Non Families | $49,857 | $62,677 |
Average Income
Median Household Income
Poverty Rate