| State | County | Pop. | Density | Voted | % Dem. | % Rep. | Win |
|---|---|---|---|---|---|---|---|
| Pennsylvania | dauphin county | 278299 | 204.648 | 147368 | 0.535958% | 0.450627% | Democrat |
| Pennsylvania | delaware county | 566747 | 1190.42 | 327931 | 0.629471% | 0.361454% | Democrat |
| Pennsylvania | elk county | 29910 | 13.958 | 16906 | 0.267479% | 0.718088% | Republican |
| Pennsylvania | erie county | 269728 | 130.327 | 137083 | 0.498136% | 0.487799% | Democrat |
| Pennsylvania | fayette county | 129274 | 63.1538 | 62139 | 0.329004% | 0.663464% | Republican |
| Pennsylvania | forest county | 7247 | 6.54877 | 2646 | 0.275132% | 0.711262% | Republican |
| Pennsylvania | franklin county | 155027 | 77.5116 | 80783 | 0.277558% | 0.708627% | Republican |
| Pennsylvania | fulton county | 14530 | 12.8215 | 7977 | 0.136016% | 0.855459% | Republican |
| Pennsylvania | greene county | 36233 | 24.2897 | 17669 | 0.277944% | 0.711925% | Republican |
| Pennsylvania | huntingdon county | 45144 | 19.9281 | 22792 | 0.2389% | 0.748552% | Republican |
| Pennsylvania | indiana county | 84073 | 39.2496 | 41198 | 0.306665% | 0.681805% | Republican |
| Pennsylvania | jefferson county | 43425 | 25.6986 | 22824 | 0.198344% | 0.786891% | Republican |
| Pennsylvania | juniata county | 24763 | 24.431 | 12043 | 0.18708% | 0.801212% | Republican |
| Pennsylvania | lackawanna county | 209674 | 176.461 | 115410 | 0.537137% | 0.453462% | Democrat |
| Pennsylvania | lancaster county | 545724 | 223.237 | 280239 | 0.413386% | 0.571687% | Republican |