| Name | Westmoreland County |
| State | Pennsylvania |
| FIPS Code | 42129 |
| Timezone | Eastern Daylight Time (EDT) |
| Population (2022) | 364,877 |
| Population Growth Rate(2000-2022) | -2.88% |
| Majority Ethnicity | White 95.05% |
| Public School Majority Ethnicity | White 90% |
| Partisan Voting Index | Republican:+14 |
| Unemployment Rate | 4.0% |
| Race/Ethnicy | Percentage of Population (2018) |
|---|---|
| White | 95.05% |
| African American | 2.54% |
| Hispanic | 1.39% |
| Asian | 0.97% |
| Native American | 0.04% |
| Hawaiin/Pacific Islander | 0.02% |
| Race/Ethnicy | Percentage of Public School Students (2018) |
|---|---|
| White | 89.56% |
| African American | 3.95% |
| Hispanic | 1.4% |
| Asian | 1.35% |
| Native American | 0.09% |
| Hawaiin/Pacific Islander | 0.06% |