Harrison County's 2026 population is estimated at 13,760, reflecting a -1.01% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Harrison County is the 85th largest county in Ohio. The 2010 population was 15,816 and has grown -13% since 2010.
Data after 2023 is projected based on recent change
Overall: 45.5 years
Female: 46.4 years
Male: 43.5 years
There are 11,305 adults, (3,264 of whom are seniors) in Harrison County.
Female: 7,143 (49.9%)
Male: 7,163 (50.1%)
The racial composition of Harrison County includes 94.34% White, and smaller percentages for Black or African American, Two or more races, other race, Native American, Asian and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 13,496 | 94.34% |
| Black or African American | 382 | 2.67% |
| Two or more races | 355 | 2.48% |
| Other race | 32 | 0.22% |
| Native American | 24 | 0.17% |
| Asian | 17 | 0.12% |
Harrison County 's average per capita income is $39,709. Household income levels show a median of $54,414. The poverty rate stands at 13.1%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $84,777 | - |
| Families | $73,552 | $89,456 |
| Households | $54,414 | $73,322 |
| Non Families | $31,973 | $46,390 |
Average Income
Median Household Income
Poverty Rate
