Butler County's estimated 2026 population is 407,440 with a growth rate of 0.98% 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 10.38% since that time.
Data after 2023 is projected based on recent change
The racial composition of Butler County includes 77.93% White, 8.29% Black or African American, 4.09% Asian, and smaller percentages for other race, Native American, Native Hawaiian or Pacific Islander and multiracial populations.
White (77.93%)
Black or African American (8.29%)
Two or more races (7.08%)
Asian (4.09%)
Other race (2.42%)
Native American (0.14%)
Native Hawaiian or Pacific Islander (0.05%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 303,855 | 77.93% |
| Black or African American | 32,333 | 8.29% |
| Two or more races | 27,604 | 7.08% |
| Asian | 15,947 | 4.09% |
| Other race | 9,438 | 2.42% |
| Native American | 541 | 0.14% |
| Native Hawaiian or Pacific Islander | 192 | 0.05% |
Married
Widowed
Divorced
Separated
Never Married
Butler County's average per capita income is $53,166. Household income levels show a median of $81,194. The poverty rate stands at 11.72%.
Name | Median | Mean |
|---|---|---|
| Married Families | $117,823 | $139,958 |
| Families | $101,612 | $122,874 |
| Households | $81,194 | $103,524 |
| Non Families | $42,882 | $58,707 |
Average Income
Median Household Income
Poverty Rate
