Brown County's 2026 population is estimated at 44,631, reflecting a 0.53% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Brown County is the 55th largest county in Ohio. The 2010 population was 44,868 and has grown -0.53% since 2010.
Overall: 42.5 years
Female: 42.8 years
Male: 42.1 years
There are 33,862 adults, (8,392 of whom are seniors) in Brown County.
Female: 22,004 (50.2%)
Male: 21,841 (49.8%)
The racial composition of Brown County includes 95.23% White, and smaller percentages for Black or African American, Asian, other race, Native American and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 41,754 | 95.23% |
| Two or more races | 1,570 | 3.58% |
| Black or African American | 298 | 0.68% |
| Asian | 131 | 0.3% |
| Other race | 79 | 0.18% |
| Native American | 13 | 0.03% |
Brown County 's average per capita income is $47,037. Household income levels show a median of $71,270. The poverty rate stands at 19.6%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $95,021 | $116,070 |
| Families | $80,567 | $102,356 |
| Households | $71,270 | $89,014 |
| Non Families | $38,041 | $52,121 |
Average Income
Median Household Income
Poverty Rate