Butler County's estimated 2026 population is 402,475 with a growth rate of 0.59% in the past year according to the most recent United States census data. Butler County is the 7th largest county in Ohio. The 2010 population was 369,111 and has seen a growth of 9.04% since that time.
Data after 2023 is projected based on recent change
Overall: 37.2 years
Female: 38.2 years
Male: 36.3 years
There are 301,104 adults, (62,338 of whom are seniors) in Butler County.
Female: 198,829 (50.6%)
Male: 194,047 (49.4%)
The racial composition of Butler County includes 75.78% White, 8.36% Black or African American, 4.33% Asian, 3.1% other race, and smaller percentages for Native American, Native Hawaiian or Pacific Islander and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| White | 297,734 | 75.78% |
| Black or African American | 32,857 | 8.36% |
| Two or more races | 32,024 | 8.15% |
| Asian | 17,020 | 4.33% |
| Other race | 12,163 | 3.1% |
| Native American | 678 | 0.17% |
| Native Hawaiian or Pacific Islander | 400 | 0.1% |
Butler County's average per capita income is $53,393. Household income levels show a median of $81,590. The poverty rate stands at 11.82%.
Name | Median | Mean |
|---|---|---|
| Married Families | $121,029 | $141,756 |
| Families | $102,983 | $124,514 |
| Households | $81,590 | $104,738 |
| Non Families | $44,531 | $60,891 |
Average Income
Median Household Income
Poverty Rate
