Pennsylvania Citizen Voting-age Population By County in 2015 (ACS-5Yrs)
Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2015, the citizen voting-age population for Pennsylvania was 9,710,415 and represented 75.98% of the total Pennsylvania population.
Among all Pennsylvania counties, Philadelphia had the highest citizen voting-age population (1.12M), followed by Allegheny (962.28K), and Montgomery (599.78K).
In terms of percentages, Forest had the highest percentage of its population being citizens of voting-age (90.83%), followed by Sullivan (86.13%), and Cameron (81.93%).
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 | 1119355 | 71.98 |
| Allegheny | 962280 | 78.16 |
| Montgomery | 599780 | 73.78 |
| Bucks | 473295 | 75.54 |
| Delaware | 413105 | 73.55 |
| Lancaster | 391400 | 73.82 |
| Chester | 365230 | 71.64 |
| York | 333530 | 75.86 |
| Berks | 305415 | 73.78 |
| Westmoreland | 290955 | 80.54 |
| Lehigh | 260125 | 72.91 |
| Luzerne | 247885 | 77.44 |
| Northampton | 229330 | 76.54 |
| Erie | 212860 | 76.06 |
| Dauphin | 201450 | 74.31 |
| Cumberland | 186080 | 77.08 |
| Lackawanna | 165435 | 77.50 |
| Washington | 164900 | 79.19 |
| Butler | 145085 | 78.13 |
| Beaver | 135125 | 79.59 |
| Monroe | 125660 | 74.85 |
| Centre | 125530 | 79.54 |
| Schuylkill | 116075 | 79.31 |
| Franklin | 114090 | 74.92 |
| Cambria | 111555 | 80.04 |
| Fayette | 107690 | 79.86 |
| Lebanon | 102525 | 75.51 |
| Blair | 99775 | 78.91 |
| Lycoming | 91920 | 78.80 |
| Mercer | 90930 | 78.85 |
| Adams | 77835 | 76.49 |
| Northumberland | 75180 | 79.97 |
| Indiana | 71040 | 80.82 |
| Lawrence | 70575 | 79.16 |
| Crawford | 67970 | 77.82 |
| Clearfield | 64155 | 78.87 |
| Somerset | 62120 | 81.08 |
| Armstrong | 54405 | 80.03 |
| Columbia | 54135 | 80.91 |
| Carbon | 51285 | 79.35 |
| Bradford | 48120 | 77.33 |
| Pike | 43265 | 76.40 |
| Venango | 42680 | 79.18 |
| Wayne | 41835 | 81.01 |
| Bedford | 38710 | 78.86 |
| Huntingdon | 36900 | 80.38 |
| Mifflin | 35895 | 76.90 |
| Union | 35620 | 79.23 |
| Perry | 35250 | 77.18 |
| Jefferson | 35130 | 78.49 |
| McKean | 33775 | 78.76 |
| Susquehanna | 33605 | 79.31 |
| Tioga | 33595 | 79.45 |
| Warren | 32615 | 79.63 |
| Clarion | 31740 | 80.45 |
| Clinton | 31130 | 78.58 |
| Snyder | 31095 | 77.65 |
| Greene | 30515 | 80.43 |
| Elk | 25040 | 79.82 |
| Wyoming | 22140 | 78.66 |
| Juniata | 18925 | 76.22 |
| Montour | 14425 | 77.93 |
| Potter | 13525 | 77.84 |
| Fulton | 11445 | 77.88 |
| Forest | 6885 | 90.83 |
| Sullivan | 5495 | 86.13 |
| Cameron | 3990 | 81.93 |
