Highland County's 2026 population is estimated at 44,179, reflecting a 0.45% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Highland County is the 56th largest county in Ohio. The 2010 population was 43,619 and has grown 1.28% since 2010.
Data after 2023 is projected based on recent change
Overall: 41 years
Female: 42.1 years
Male: 40.2 years
There are 33,116 adults, (8,333 of whom are seniors) in Highland County.
Female: 22,179 (51%)
Male: 21,338 (49%)
The racial composition of Highland County includes 95.17% White, and smaller percentages for Black or African American, other race, Asian, Native American and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 41,415 | 95.17% |
| Two or more races | 1,401 | 3.22% |
| Black or African American | 515 | 1.18% |
| Other race | 94 | 0.22% |
| Asian | 58 | 0.13% |
| Native American | 34 | 0.08% |
Highland County 's average per capita income is $45,889. Household income levels show a median of $65,785. The poverty rate stands at 14.1%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $93,226 | - |
| Families | $77,029 | $94,360 |
| Households | $65,785 | $78,210 |
| Non Families | $30,141 | $40,149 |
Average Income
Median Household Income
Poverty Rate