| State | County | Pop. | Density | Voted | % Dem. | % Rep. | Win |
|---|---|---|---|---|---|---|---|
| Texas | scurry county | 16703 | 7.12254 | 5869 | 0.139376% | 0.849037% | Republican |
| Texas | shackelford county | 3265 | 1.37881 | 1628 | 0.0798526% | 0.911548% | Republican |
| Texas | shelby county | 25274 | 12.2655 | 10084 | 0.205077% | 0.790857% | Republican |
| Texas | sherman county | 3022 | 1.26409 | 991 | 0.0918264% | 0.894046% | Republican |
| Texas | smith county | 232751 | 97.52 | 100075 | 0.295928% | 0.690282% | Republican |
| Texas | somervell county | 9128 | 18.9009 | 4939 | 0.155497% | 0.83114% | Republican |
| Texas | starr county | 64633 | 20.4017 | 17525 | 0.520571% | 0.470585% | Democrat |
| Texas | stephens county | 9366 | 4.03274 | 3800 | 0.104474% | 0.890789% | Republican |
| Texas | sterling county | 1291 | 0.539779 | 639 | 0.0798122% | 0.913928% | Republican |
| Texas | stonewall county | 1350 | 0.568843 | 736 | 0.157609% | 0.835598% | Republican |
| Texas | sutton county | 3776 | 1.00274 | 1557 | 0.206808% | 0.784843% | Republican |
| Texas | swisher county | 7397 | 3.20841 | 2355 | 0.202972% | 0.78344% | Republican |
| Texas | tarrant county | 2102515 | 939.915 | 834293 | 0.493312% | 0.491124% | Democrat |
| Texas | taylor county | 138034 | 58.211 | 55112 | 0.264697% | 0.717575% | Republican |
| Texas | terrell county | 776 | 0.127062 | 458 | 0.259825% | 0.729258% | Republican |