Pennsylvania Citizen Voting-age Population By County in 2018 (ACS-5Yrs)
Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2018, the citizen voting-age population for Pennsylvania was 9,748,290 and represented 76.21% of the total Pennsylvania population.
Among all Pennsylvania counties, Philadelphia had the highest citizen voting-age population (1.13M), followed by Allegheny (960.49K), and Montgomery (608.23K).
In terms of percentages, Forest had the highest percentage of its population being citizens of voting-age (89.18%), followed by Sullivan (87.29%), and Cameron (82.60%).
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 | 1132050 | 71.85 |
| Allegheny | 960485 | 78.37 |
| Montgomery | 608230 | 74.06 |
| Bucks | 477520 | 76.24 |
| Delaware | 416460 | 73.90 |
| Lancaster | 398950 | 74.11 |
| Chester | 372305 | 71.99 |
| York | 337830 | 76.08 |
| Berks | 308320 | 74.00 |
| Westmoreland | 286965 | 80.89 |
| Lehigh | 264605 | 72.97 |
| Luzerne | 246040 | 77.40 |
| Northampton | 232420 | 77.02 |
| Erie | 210235 | 76.18 |
| Dauphin | 204200 | 74.39 |
| Cumberland | 190310 | 76.91 |
| Washington | 165210 | 79.60 |
| Lackawanna | 163040 | 77.10 |
| Butler | 146580 | 78.57 |
| Beaver | 133510 | 80.00 |
| Monroe | 128665 | 76.78 |
| Centre | 127755 | 79.13 |
| Franklin | 116285 | 75.63 |
| Schuylkill | 114065 | 79.46 |
| Cambria | 107780 | 80.10 |
| Fayette | 105885 | 80.04 |
| Lebanon | 104655 | 75.47 |
| Blair | 98115 | 79.23 |
| Lycoming | 90440 | 78.74 |
| Mercer | 89675 | 79.62 |
| Adams | 78860 | 77.30 |
| Northumberland | 73745 | 79.88 |
| Lawrence | 69540 | 79.58 |
| Indiana | 69380 | 80.91 |
| Crawford | 67500 | 78.34 |
| Clearfield | 63485 | 79.14 |
| Somerset | 60780 | 81.09 |
| Columbia | 53830 | 81.29 |
| Armstrong | 53360 | 80.45 |
| Carbon | 50905 | 79.63 |
| Bradford | 47460 | 77.42 |
| Pike | 43800 | 78.92 |
| Wayne | 42310 | 82.10 |
| Venango | 41855 | 79.91 |
| Bedford | 38705 | 79.62 |
| Huntingdon | 36605 | 80.59 |
| Union | 36385 | 80.65 |
| Mifflin | 35785 | 77.19 |
| Perry | 35710 | 77.76 |
| Jefferson | 34645 | 78.59 |
| Susquehanna | 33300 | 80.55 |
| McKean | 33105 | 79.19 |
| Tioga | 32815 | 79.60 |
| Warren | 32070 | 80.11 |
| Snyder | 31680 | 78.29 |
| Clarion | 31290 | 80.59 |
| Clinton | 30875 | 79.02 |
| Greene | 29850 | 80.36 |
| Elk | 24505 | 80.06 |
| Wyoming | 22000 | 79.74 |
| Juniata | 18710 | 76.18 |
| Montour | 14205 | 77.64 |
| Potter | 13330 | 78.71 |
| Fulton | 11510 | 79.35 |
| Forest | 6555 | 89.18 |
| Sullivan | 5390 | 87.29 |
| Cameron | 3870 | 82.60 |
