8,291,013 active registered voters across 67 counties — every county's party split, ranked by size. Click a county for turnout tiers and youth share.
| # | County | Registered voters | DEM % | REP % |
|---|---|---|---|---|
| 1 | Philadelphia | 992,324 | 76.5% | 11.6% |
| 2 | Allegheny | 868,682 | 57.5% | 28.9% |
| 3 | Montgomery | 578,728 | 49.7% | 35.1% |
| 4 | Bucks | 456,668 | 42.7% | 41.3% |
| 5 | Delaware | 387,543 | 48.8% | 38.4% |
| 6 | Chester | 354,125 | 41.4% | 41.3% |
| 7 | Lancaster | 328,961 | 32.2% | 52.2% |
| 8 | York | 288,643 | 32.3% | 52.4% |
| 9 | Berks | 248,505 | 42.9% | 41.9% |
| 10 | Westmoreland | 237,604 | 40.4% | 48.1% |
| 11 | Lehigh | 229,143 | 47.5% | 35.2% |
| 12 | Northampton | 204,973 | 45.0% | 36.7% |
| 13 | Luzerne | 189,919 | 47.4% | 40.8% |
| 14 | Dauphin | 179,857 | 45.1% | 40.3% |
| 15 | Erie | 168,189 | 48.7% | 38.4% |
| 16 | Cumberland | 165,154 | 33.7% | 50.9% |
| 17 | Lackawanna | 137,321 | 57.8% | 31.9% |
| 18 | Washington | 135,628 | 42.9% | 45.6% |
| 19 | Butler | 131,870 | 30.0% | 56.6% |
| 20 | Beaver | 108,863 | 46.3% | 41.1% |
| 21 | Monroe | 106,919 | 46.0% | 34.9% |
| 22 | Centre | 95,383 | 41.8% | 41.9% |
| 23 | Franklin | 94,140 | 24.3% | 62.0% |
| 24 | Lebanon | 87,502 | 29.3% | 56.1% |
| 25 | Schuylkill | 84,568 | 32.8% | 55.0% |
| 26 | Cambria | 82,235 | 42.8% | 47.3% |
| 27 | Fayette | 75,502 | 47.6% | 43.3% |
| 28 | Blair | 74,783 | 26.8% | 61.6% |
| 29 | Mercer | 68,786 | 38.7% | 48.9% |
| 30 | Lycoming | 68,108 | 27.8% | 59.7% |
| 31 | Adams | 66,287 | 27.4% | 57.5% |
| 32 | Lawrence | 53,948 | 41.7% | 47.1% |
| 33 | Northumberland | 51,459 | 32.3% | 54.7% |
| 34 | Crawford | 50,918 | 31.7% | 56.8% |
| 35 | Indiana | 48,149 | 34.0% | 53.9% |
| 36 | Somerset | 46,846 | 27.6% | 63.0% |
| 37 | Clearfield | 46,241 | 30.5% | 58.7% |
| 38 | Armstrong | 41,481 | 29.7% | 59.4% |
| 39 | Carbon | 40,372 | 37.1% | 48.6% |
| 40 | Pike | 40,162 | 32.8% | 46.6% |
| 41 | Columbia | 37,283 | 34.0% | 51.6% |
| 42 | Bradford | 35,317 | 24.0% | 63.8% |
| 43 | Wayne | 33,222 | 27.6% | 57.3% |
| 44 | Bedford | 31,343 | 20.2% | 71.2% |
| 45 | Venango | 31,267 | 28.9% | 59.0% |
| 46 | Perry | 28,425 | 21.7% | 66.3% |
| 47 | Huntingdon | 26,593 | 25.3% | 65.0% |
| 48 | Jefferson | 26,584 | 23.7% | 66.0% |
| 49 | Susquehanna | 25,006 | 26.3% | 61.3% |
| 50 | Tioga | 24,771 | 21.8% | 66.0% |
| 51 | Warren | 24,559 | 29.7% | 56.2% |
| 52 | Mifflin | 23,570 | 23.1% | 67.7% |
| 53 | Union | 23,567 | 29.8% | 55.7% |
| 54 | McKean | 23,548 | 24.7% | 62.5% |
| 55 | Clarion | 23,204 | 27.6% | 61.7% |
| 56 | Snyder | 21,740 | 22.1% | 66.7% |
| 57 | Clinton | 21,198 | 33.6% | 54.2% |
| 58 | Greene | 21,062 | 44.1% | 46.9% |
| 59 | Elk | 19,491 | 36.4% | 52.6% |
| 60 | Wyoming | 17,344 | 29.0% | 60.0% |
| 61 | Juniata | 13,706 | 22.7% | 67.5% |
| 62 | Montour | 11,670 | 33.8% | 51.5% |
| 63 | Potter | 10,605 | 19.7% | 70.0% |
| 64 | Fulton | 9,283 | 19.7% | 70.5% |
| 65 | Sullivan | 4,257 | 29.7% | 59.9% |
| 66 | Forest | 3,034 | 31.0% | 58.7% |
| 67 | Cameron | 2,875 | 29.4% | 58.5% |
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Counts are active registered voters from each state's public voter file as of VoterVault's latest ingest — they may differ slightly from official Secretary of State reports. Turnout tiers score participation in recent even-year November general elections from public vote history. Aggregate market data only — no personal information is shown on this page. Public-record data sold for lawful political/electoral use; VoterVault performs no outreach and is not affiliated with any election authority.