Pennsylvania Citizen Voting-age Population By County in 2017 (ACS-5Yrs)
Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2017, the citizen voting-age population for Pennsylvania was 9,740,190 and represented 76.15% of the total Pennsylvania population.
Among all Pennsylvania counties, Philadelphia had the highest citizen voting-age population (1.13M), followed by Allegheny (961.88K), and Montgomery (605.80K).
In terms of percentages, Forest had the highest percentage of its population being citizens of voting-age (89.92%), followed by Sullivan (86.91%), and Wayne (81.87%).
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 | 1128640 | 71.90 |
| Allegheny | 961880 | 78.23 |
| Montgomery | 605800 | 74.00 |
| Bucks | 476135 | 76.00 |
| Delaware | 415665 | 73.78 |
| Lancaster | 397190 | 74.03 |
| Chester | 369970 | 71.89 |
| York | 336395 | 76.07 |
| Berks | 307825 | 74.08 |
| Westmoreland | 288225 | 80.77 |
| Lehigh | 263430 | 73.02 |
| Luzerne | 246670 | 77.52 |
| Northampton | 231520 | 76.93 |
| Erie | 211830 | 76.25 |
| Dauphin | 203190 | 74.34 |
| Cumberland | 189160 | 76.96 |
| Washington | 165045 | 79.48 |
| Lackawanna | 163825 | 77.29 |
| Butler | 145820 | 78.40 |
| Beaver | 134355 | 79.90 |
| Centre | 127510 | 79.37 |
| Monroe | 127290 | 76.08 |
| Franklin | 115720 | 75.63 |
| Schuylkill | 114515 | 79.37 |
| Cambria | 108885 | 80.14 |
| Fayette | 106490 | 79.97 |
| Lebanon | 103980 | 75.56 |
| Blair | 98435 | 78.92 |
| Lycoming | 90775 | 78.66 |
| Mercer | 90090 | 79.29 |
| Adams | 78225 | 77.00 |
| Northumberland | 74280 | 79.84 |
| Lawrence | 70115 | 79.47 |
| Indiana | 69990 | 80.87 |
| Crawford | 67895 | 78.18 |
| Clearfield | 63655 | 79.04 |
| Somerset | 61415 | 81.22 |
| Columbia | 54035 | 81.11 |
| Armstrong | 53560 | 80.26 |
| Carbon | 50900 | 79.55 |
| Bradford | 47745 | 77.58 |
| Pike | 43395 | 77.93 |
| Wayne | 42290 | 81.87 |
| Venango | 42055 | 79.53 |
| Bedford | 38865 | 79.50 |
| Huntingdon | 36690 | 80.31 |
| Union | 36265 | 80.49 |
| Mifflin | 35725 | 76.91 |
| Perry | 35550 | 77.49 |
| Jefferson | 34790 | 78.60 |
| Susquehanna | 33455 | 80.20 |
| McKean | 33350 | 79.27 |
| Tioga | 33020 | 79.47 |
| Warren | 32230 | 79.89 |
| Snyder | 31495 | 77.63 |
| Clarion | 31270 | 80.71 |
| Clinton | 31060 | 78.99 |
| Greene | 30045 | 80.46 |
| Elk | 24630 | 80.02 |
| Wyoming | 22050 | 79.43 |
| Juniata | 18660 | 76.32 |
| Montour | 14365 | 78.50 |
| Potter | 13425 | 78.65 |
| Fulton | 11525 | 78.78 |
| Forest | 6645 | 89.92 |
| Sullivan | 5380 | 86.91 |
| Cameron | 3885 | 81.70 |
