Pennsylvania Population
Current Population
13,059,432
Census estimate · July 1, 2025
+63,856 residents(+0.5%)since 2020
Population History
Population changed from 12,995,576 in 2020 to 13,059,432 in 2025.
| Year | Population | Change | Percent change |
|---|---|---|---|
| 2020 | 12,995,576 | — | — |
| 2021 | 13,016,628 | +21,052 | +0.2% |
| 2022 | 12,984,655 | -31,973 | -0.2% |
| 2023 | 13,009,406 | +24,751 | +0.2% |
| 2024 | 13,045,848 | +36,442 | +0.3% |
| 2025 | 13,059,432 | +13,584 | +0.1% |
Source vintage: Vintage 2025
A later release can revise an earlier year's estimate, so these values may change in a future vintage.
Explore Pennsylvania
Largest places by population
- Philadelphia1,574,281
- Pittsburgh307,632
- Allentown126,044
- Reading95,832
- Erie91,838
Largest counties by population
- Philadelphia County1,574,281
- Allegheny County1,225,035
- Montgomery County877,643
- Bucks County647,828
- Delaware County580,937
Sources & Methodology
The population figure on this page is an annual estimate from the U.S. Census Bureau's Population Estimates Program. Each estimate refers to July 1 of its year, so the most recent figure describes 2025 — not the year you are reading it in.
Current estimate — 13,059,432 · July 1, 2025
U.S. Census Bureau — Population Estimates Program — National/State Population Totals, Vintage 2025
How the change since 2020 is calculated
Both endpoints come from the same Population Estimates Program release, so the comparison is like for like: 12,995,576 on July 1, 2020 and 13,059,432 on July 1, 2025. The change is the later estimate minus the earlier one (+63,856), and the percentage is that change divided by the 2020 estimate (+0.5%).
Geographic details
- Abbreviation
- PA
- FIPS code
- 42
- Jurisdiction type
- state