Hardin County's 2026 population is estimated at 30,394, reflecting a -0.01% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Hardin County is the 72nd largest county in Ohio. The 2010 population was 32,126 and has grown -5.39% since 2010.
Data after 2023 is projected based on recent change
Overall: 35.2 years
Female: 35.9 years
Male: 34.2 years
There are 23,508 adults, (4,919 of whom are seniors) in Hardin County.
Female: 15,237 (50%)
Male: 15,238 (50%)
The racial composition of Hardin County includes 92.96% White, and smaller percentages for Black or African American, Asian, other race, Native American, Native Hawaiian or Pacific Islander and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 28,330 | 92.96% |
| Two or more races | 1,197 | 3.93% |
| Black or African American | 387 | 1.27% |
| Asian | 273 | 0.9% |
| Other race | 216 | 0.71% |
| Native American | 49 | 0.16% |
| Native Hawaiian or Pacific Islander | 23 | 0.08% |
Hardin County 's average per capita income is $44,973. Household income levels show a median of $62,484. The poverty rate stands at 17.32%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $93,375 | $109,841 |
| Families | $82,266 | $97,902 |
| Households | $62,484 | $82,547 |
| Non Families | $39,860 | $50,224 |
Average Income
Median Household Income
Poverty Rate
