| Name | Butler County |
| State | Pennsylvania |
| FIPS Code | 42019 |
| County Seat | Butler |
| Timezone | Eastern Daylight Time (EDT) |
| Population (2024) | 198,665 |
| Population Growth Rate(2020-2024) | 2.47% |
| Majority Ethnicity | White 95.45% |
| Public School Majority Ethnicity | White 92% |
| Partisan Voting Index | Republican:+17 |
| Unemployment Rate (May 2026) | 4.4% |
| Sales Tax Rate (2025) | 6% |
| Area Code(s) | 724 / 878 / 582 / 814 |
| Race/Ethnicity | Percentage of Population (2023) |
|---|---|
| White | 95.45% |
| African American | 1.06% |
| Hispanic | 1.97% |
| Asian | 1.39% |
| Native American | 0.12% |
| Hawaiin/Pacific Islander | 0.01% |
| Race/Ethnicity | Percentage of Public School Students (2023) |
|---|---|
| White | 91.7% |
| African American | 1.46% |
| Hispanic | 2.22% |
| Asian | 1.61% |
| Native American | 0.13% |
| Hawaiin/Pacific Islander | 0.03% |