Statistics for Westmoreland County
Latest official figures for Westmoreland County, each linked to its source.
Demography
| Population | 349,324 persons | 2025 |
| Median age | 47.2 years | 2024 |
| Live births, July to June | 2,800 count | 2025 |
| Deaths, July to June | 4,631 count | 2025 |
| Crude birth rate, July to June | 8 per 1,000 inhabitants | 2025 |
| Crude death rate, July to June | 13.24 per 1,000 inhabitants | 2025 |
Labor market
| Unemployment rate | 3.9 % | 2026-08 |
Income and living conditions
| Poverty rate (US official measure) | 10.5 % | 2024 |
| Median household income | 74,109 USD | 2024 |
Economy
| Gross domestic product (GDP), US dollars | 19,387.6 USD million | 2024 |
| Real GDP growth | 0.5 % | 2024 |