Westmoreland County, Pennsylvania: population and components of change
Source: U.S. Census Bureau, Population Estimates Program, Vintage 2024: County Population Totals and Components of Change 2020-2024 (CO-EST2024-ALLDATA). Figures cover the April 1, 2020 estimates base through July 1, 2024; data fetched 2026-10-30T08:41:21Z.
| Item | Value | As reported |
|---|---|---|
| County | Westmoreland County | Westmoreland County |
| State | Pennsylvania | Pennsylvania |
| State FIPS code | 42 | 42 |
| County FIPS code | 129 | 129 |
| Census region (code) | 1 | 1 |
| Census division (code) | 2 | 2 |
| Estimates base, April 1, 2020 | 354,648 | 354648 |
| Resident population, July 1, 2020 | 354,339 | 354339 |
| Resident population, July 1, 2021 | 353,753 | 353753 |
| Resident population, July 1, 2022 | 352,054 | 352054 |
| Resident population, July 1, 2023 | 351,420 | 351420 |
| Resident population, July 1, 2024 | 350,935 | 350935 |
| Numeric population change, 2023 to 2024 | -485 | -485 |
| Births, year to July 1, 2024 | 2,877 | 2877 |
| Deaths, year to July 1, 2024 | 4,617 | 4617 |
| Natural change (births minus deaths), year to July 1, 2024 | -1,740 | -1740 |
| International migration, year to July 1, 2024 | 353 | 353 |
| Domestic migration, year to July 1, 2024 | 927 | 927 |
| Residual, year to July 1, 2024 | -25 | -25 |
| Birth rate per 1,000 population, year to July 1, 2024 | 8.1924 | 8.1924382969 |
| Death rate per 1,000 population, year to July 1, 2024 | 13.1472 | 13.147197642 |
| Natural change rate per 1,000 population, year to July 1, 2024 | -4.9548 | -4.954759345 |
| International migration rate per 1,000 population, year to July 1, 2024 | 1.0052 | 1.0051896833 |
| Domestic migration rate per 1,000 population, year to July 1, 2024 | 2.6397 | 2.6396907547 |
| Group quarters population, July 1, 2024 | 6,357 | 6357 |
Values as reported by the source: county_name=Westmoreland County, state_name=Pennsylvania, state_fips=42, county_fips=129, region=1, division=2, estimates_base_2020=354648, pop_2020=354339, pop_2021=353753, pop_2022=352054, pop_2023=351420, pop_2024=350935, npopchg_2024=-485, births_2024=2877, deaths_2024=4617, naturalchg_2024=-1740, internationalmig_2024=353, domesticmig_2024=927, residual_2024=-25, rbirth_2024=8.1924382969, rdeath_2024=13.147197642, rnaturalchg_2024=-4.954759345, rinternationalmig_2024=1.0051896833, rdomesticmig_2024=2.6396907547, gq_estimates_2024=6357