Pennsylvania Citizen Voting-age Population By County in 2021 (ACS-5Yrs)
Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2021, the citizen voting-age population for Pennsylvania was 9,893,010 and represented 76.27% of the total Pennsylvania population.
Among all Pennsylvania counties, Philadelphia had the highest citizen voting-age population (1.15M), followed by Allegheny (975.74K), and Montgomery (631.36K).
In terms of percentages, Forest had the highest percentage of its population being citizens of voting-age (91.15%), followed by Sullivan (88.63%), and Cameron (82.92%).
The chart and table below shows the citizen voting-age population of each county and the percentage of each county's population that were citizens of voting-age.
You can see similar information for other states and by state for the United States.
| County | Citizen Voting-age Population | % of County Population |
|---|---|---|
| Philadelphia | 1150785 | 72.07 |
| Allegheny | 975740 | 78.30 |
| Montgomery | 631355 | 74.20 |
| Bucks | 494655 | 76.83 |
| Delaware | 423870 | 73.86 |
| Lancaster | 409625 | 74.41 |
| Chester | 386765 | 72.74 |
| York | 346090 | 76.13 |
| Berks | 317535 | 74.37 |
| Westmoreland | 287535 | 80.97 |
| Lehigh | 268075 | 71.97 |
| Luzerne | 247440 | 76.18 |
| Northampton | 239980 | 77.08 |
| Dauphin | 209525 | 73.72 |
| Erie | 209305 | 76.98 |
| Cumberland | 197715 | 76.83 |
| Washington | 166175 | 79.47 |
| Lackawanna | 165270 | 76.68 |
| Butler | 152310 | 79.10 |
| Beaver | 134520 | 79.95 |
| Monroe | 130215 | 77.45 |
| Centre | 126815 | 79.82 |
| Franklin | 117710 | 75.65 |
| Schuylkill | 113505 | 79.20 |
| Lebanon | 107765 | 75.63 |
| Cambria | 107655 | 80.31 |
| Fayette | 103260 | 79.77 |
| Blair | 97070 | 78.83 |
| Lycoming | 89575 | 78.39 |
| Mercer | 89185 | 80.19 |
| Adams | 80945 | 78.00 |
| Northumberland | 73165 | 79.65 |
| Lawrence | 68510 | 79.38 |
| Indiana | 67475 | 80.69 |
| Crawford | 66500 | 78.70 |
| Clearfield | 64110 | 79.48 |
| Somerset | 60520 | 81.42 |
| Columbia | 53070 | 81.63 |
| Armstrong | 53055 | 80.43 |
| Carbon | 51780 | 79.92 |
| Pike | 46865 | 80.32 |
| Bradford | 46385 | 77.01 |
| Wayne | 42105 | 82.16 |
| Venango | 40845 | 80.39 |
| Bedford | 38195 | 80.02 |
| Huntingdon | 36010 | 80.99 |
| Perry | 35770 | 77.96 |
| Mifflin | 35570 | 77.07 |
| Jefferson | 34825 | 78.28 |
| Union | 34555 | 80.18 |
| Tioga | 32695 | 79.57 |
| McKean | 32100 | 78.97 |
| Snyder | 31355 | 78.63 |
| Susquehanna | 31285 | 80.44 |
| Warren | 31040 | 80.02 |
| Clarion | 30250 | 80.52 |
| Clinton | 29890 | 79.02 |
| Greene | 29080 | 80.22 |
| Elk | 24875 | 80.15 |
| Wyoming | 21050 | 79.77 |
| Juniata | 17935 | 75.98 |
| Montour | 14050 | 77.20 |
| Potter | 12990 | 78.82 |
| Fulton | 11580 | 79.70 |
| Forest | 6490 | 91.15 |
| Sullivan | 5260 | 88.63 |
| Cameron | 3810 | 82.92 |