| State | County | Pop. | Density | Voted | % Dem. | % Rep. | Win |
|---|---|---|---|---|---|---|---|
| Pennsylvania | lawrence county | 85512 | 92.1819 | 46076 | 0.346775% | 0.642352% | Republican |
| Pennsylvania | lebanon county | 141793 | 151.304 | 71652 | 0.334003% | 0.652194% | Republican |
| Pennsylvania | lehigh county | 369318 | 413.103 | 184713 | 0.532112% | 0.456162% | Democrat |
| Pennsylvania | luzerne county | 317417 | 137.65 | 153321 | 0.423119% | 0.566974% | Republican |
| Pennsylvania | lycoming county | 113299 | 35.6051 | 59254 | 0.286411% | 0.699733% | Republican |
| Pennsylvania | mckean county | 40625 | 16.0186 | 19466 | 0.261893% | 0.723467% | Republican |
| Pennsylvania | mercer county | 109424 | 62.8159 | 57954 | 0.363512% | 0.62365% | Republican |
| Pennsylvania | mifflin county | 46138 | 43.3383 | 21502 | 0.214073% | 0.775277% | Republican |
| Pennsylvania | monroe county | 170271 | 108.082 | 83829 | 0.525594% | 0.461964% | Democrat |
| Pennsylvania | montgomery county | 830915 | 664.296 | 510157 | 0.626299% | 0.363535% | Democrat |
| Pennsylvania | montour county | 18230 | 54.0427 | 9771 | 0.385938% | 0.598096% | Republican |
| Pennsylvania | northampton county | 305285 | 318.894 | 170942 | 0.497754% | 0.490541% | Democrat |
| Pennsylvania | northumberland county | 90843 | 76.5819 | 42283 | 0.299813% | 0.68472% | Republican |
| Pennsylvania | perry county | 46272 | 32.3979 | 24652 | 0.24136% | 0.742049% | Republican |
| Pennsylvania | philadelphia county | 1584064 | 4558.2 | 741377 | 0.814417% | 0.179045% | Democrat |