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2020-2025 Total Population Estimates |
| GeoID | Name | 2020 Total Population | July 1, 2020 Population Estimate | July 1, 2021 Population Estimate | July 1, 2022 Population Estimate | July 1, 2023 Population Estimate | July 1, 2024 Population Estimate | July 1, 2025 Population Estimate | July 1, 2026 Population Estimate | July 1, 2027 Population Estimate | July 1, 2028 Population Estimate | July 1, 2029 Population Estimate | July 1, 2030 Population Estimate |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 05000US42003 | Allegheny County | 1,250,578 | 1,245,335 | 1,233,325 | 1,228,911 | 1,227,174 | 1,225,035 | NA | NA | NA | NA | NA | |
| 05000US42005 | Armstrong County | 65,558 | 65,283 | 64,724 | 64,157 | 63,755 | 63,698 | NA | NA | NA | NA | NA | |
| 05000US42007 | Beaver County | 168,215 | 166,976 | 165,703 | 165,680 | 165,769 | 166,032 | NA | NA | NA | NA | NA | |
| 05000US42019 | Butler County | 193,763 | 196,738 | 197,374 | 198,657 | 199,300 | 200,169 | NA | NA | NA | NA | NA | |
| 05000US42051 | Fayette County | 128,804 | 127,159 | 125,569 | 124,645 | 123,959 | 123,021 | NA | NA | NA | NA | NA | |
| 05000US42059 | Greene County | 35,954 | 35,297 | 34,565 | 34,579 | 34,142 | 33,885 | NA | NA | NA | NA | NA | |
| 05000US42063 | Indiana County | 83,246 | 83,115 | 82,893 | 83,045 | 83,257 | 82,878 | NA | NA | NA | NA | NA | |
| 05000US42073 | Lawrence County | 86,070 | 85,550 | 84,771 | 84,500 | 84,087 | 83,911 | NA | NA | NA | NA | NA | |
| 05000US42125 | Washington County | 209,349 | 210,116 | 209,981 | 210,442 | 210,635 | 210,802 | NA | NA | NA | NA | NA | |
| 05000US42129 | Westmoreland County | 354,663 | 353,695 | 351,924 | 351,233 | 350,473 | 349,324 | NA | NA | NA | NA | NA | |
| 04000US42SPC | SPC Region | 2,576,200 | 2,569,264 | 2,550,829 | 2,545,849 | 2,542,551 | 2,538,755 | NA | NA | NA | NA | NA |