| Name | Mercer County |
| State | Pennsylvania |
| FIPS Code | 42085 |
| County Seat | Mercer |
| Timezone | Eastern Daylight Time (EDT) |
| Population (2024) | 108,519 |
| Population Growth Rate(2020-2024) | -1.97% |
| Majority Ethnicity | White 91.82% |
| Public School Majority Ethnicity | White 82% |
| Partisan Voting Index | Republican:+15 |
| Unemployment Rate (May 2026) | 5.1% |
| Sales Tax Rate (2025) | 6% |
| Area Code(s) | 724 / 878 / 582 / 814 |
| Race/Ethnicity | Percentage of Population (2023) |
|---|---|
| White | 91.82% |
| African American | 5.75% |
| Hispanic | 1.65% |
| Asian | 0.65% |
| Native American | 0.11% |
| Hawaiin/Pacific Islander | 0.02% |
| Race/Ethnicity | Percentage of Public School Students (2023) |
|---|---|
| White | 82.21% |
| African American | 9.43% |
| Hispanic | 2.01% |
| Asian | 0.66% |
| Native American | 0.08% |
| Hawaiin/Pacific Islander | 0.1% |