Columbiana County's 2026 population is estimated at 99,195, reflecting a -0.32% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Columbiana County is the 27th largest county in Ohio. The 2010 population was 107,889 and has grown -8.06% since 2010.
Data after 2023 is projected based on recent change
Overall: 44.6 years
Female: 46.1 years
Male: 43.4 years
There are 80,375 adults, (22,107 of whom are seniors) in Columbiana County.
Female: 49,784 (49.4%)
Male: 50,920 (50.6%)
The racial composition of Columbiana County includes 92.56% White, and smaller percentages for Black or African American, other race, Asian, Native American, Native Hawaiian or Pacific Islander and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 93,207 | 92.56% |
| Two or more races | 4,169 | 4.14% |
| Black or African American | 1,978 | 1.96% |
| Other race | 786 | 0.78% |
| Asian | 264 | 0.26% |
| Native American | 242 | 0.24% |
| Native Hawaiian or Pacific Islander | 58 | 0.06% |
Columbiana County 's average per capita income is $41,467. Household income levels show a median of $58,180. The poverty rate stands at 15.15%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $91,650 | $109,557 |
| Families | $77,236 | $95,100 |
| Households | $58,180 | $78,065 |
| Non Families | $34,229 | $46,102 |
Average Income
Median Household Income
Poverty Rate