| State | County | Pop. | Density | Voted | % Dem. | % Rep. | Win |
|---|---|---|---|---|---|---|---|
| Texas | dawson county | 12728 | 5.45849 | 3789 | 0.213249% | 0.778833% | Republican |
| Texas | deaf smith county | 18546 | 4.7839 | 4610 | 0.274187% | 0.714534% | Republican |
| Texas | delta county | 5331 | 8.01444 | 2592 | 0.155478% | 0.834105% | Republican |
| Texas | denton county | 887207 | 389.909 | 417688 | 0.451761% | 0.532646% | Republican |
| Texas | dewitt county | 20160 | 8.56327 | 8118 | 0.184035% | 0.808943% | Republican |
| Texas | dickens county | 2211 | 0.946713 | 988 | 0.131579% | 0.86336% | Republican |
| Texas | dimmit county | 10124 | 2.94148 | 3666 | 0.617567% | 0.377523% | Democrat |
| Texas | donley county | 3278 | 1.36548 | 1648 | 0.120146% | 0.872573% | Republican |
| Texas | duval county | 11157 | 2.40189 | 5053 | 0.509598% | 0.483475% | Democrat |
| Texas | eastland county | 18360 | 7.65128 | 8292 | 0.118548% | 0.872769% | Republican |
| Texas | ector county | 166223 | 71.4907 | 44581 | 0.254974% | 0.733429% | Republican |
| Texas | edwards county | 1932 | 0.352217 | 1066 | 0.157598% | 0.837711% | Republican |
| Texas | el paso county | 839238 | 319.814 | 266648 | 0.668019% | 0.316263% | Democrat |
| Texas | ellis county | 184826 | 76.2691 | 85456 | 0.322564% | 0.663698% | Republican |
| Texas | erath county | 42698 | 15.2211 | 16853 | 0.173026% | 0.811962% | Republican |