Demographics & People — West Mifflin, Pennsylvania
Population Overview
| Population (Census) | 19,338 |
| Estimated 2026 | ~18,800 |
| Median Age | 43.4 |
| Total Households | 8,499 |
| Family Households | 4,933 |
| Average Household Size | 2.26 |
| Diversity Index | N/A (N/A) |
Race & Ethnicity
| White | 15,841 |
| Black or African American | 1,948 |
| Asian | 189 |
| Hispanic or Latino | 444 |
Heritage & Ancestry
| Group | Count |
| Unclassified or not reported | 4,415 |
| Irish | 3,732 |
| German | 3,723 |
| Italian | 3,524 |
| Slovak | 2,225 |
| Polish | 1,762 |
| Other groups | 1,688 |
| English | 1,232 |
| Hungarian | 1,154 |
| Hispanic: Hispanic or Latino | 340 |
Language
| English Only | 17,322 |
| Spanish | 820 |
| Population 5+ | 18,524 |
Veterans
| Veterans | 1,124 |
| Population 18+ | 15,475 |
Commuting
| Mean Commute Time | 26.1 minutes |
| Work from Home | 15.3% |
| Commuter Profile | N/A |
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for West Mifflin, Pennsylvania.