| District ▲ | Winner | Party | Votes | % | Margin |
|---|---|---|---|---|---|
| TX-01 | REP | 255,507 | 61.5% | R+23.8 | |
| TX-02 | Ted PoeREP | REP | 252,038 | 55.5% | R+12.6 |
| TX-03 | Sam JohnsonREP | REP | 210,352 | 85.6% | R+85.6 |
| TX-04 | Ralph M HallREP | REP | 267,942 | 68.3% | R+37.8 |
| TX-05 | REP | 230,845 | 64.5% | R+31.6 | |
| TX-06 | Joe BartonREP | REP | 255,627 | 66.0% | R+33.3 |
| TX-07 | REP | 273,651 | 64.1% | R+30.8 | |
| TX-08 | Kevin BradyREP | REP | 260,628 | 68.9% | R+39.2 |
| TX-09 | Al GreenDEM | DEM | 158,566 | 72.2% | D+45.6 |
| TX-10 | REP | 231,643 | 78.6% | R+78.6 | |
| TX-11 | Mike ConawayREP | REP | 230,977 | 76.8% | R+55.0 |
| TX-12 | Kay GrangerREP | REP | 239,538 | 72.3% | R+44.6 |
| TX-13 | REP | 205,241 | 92.3% | R+92.3 | |
| TX-14 | REP | 173,668 | 100.0% | R+100.0 | |
| TX-15 | DEM | 166,358 | 57.8% | D+16.9 | |
| TX-16 | DEM | 160,773 | 67.5% | D+36.5 | |
| TX-17 | Chet EdwardsDEM | DEM | 244,748 | 51.2% | D+3.8 |
| TX-18 | DEM | 152,988 | 88.9% | D+82.5 | |
| TX-19 | REP | 233,514 | 58.4% | R+18.4 | |
| TX-20 | DEM | 171,804 | 65.5% | D+33.5 | |
| TX-21 | REP | 341,119 | 61.5% | R+26.0 | |
| TX-22 | Tom DelayREP | REP | 272,620 | 55.2% | R+14.1 |
| TX-23 | REP | 246,503 | 69.3% | R+39.9 | |
| TX-24 | REP | 241,374 | 64.0% | R+29.8 | |
| TX-25 | Lloyd DogettDEM | DEM | 160,217 | 67.6% | D+36.9 |
| TX-26 | REP | 274,539 | 65.8% | R+33.0 | |
| TX-27 | DEM | 177,536 | 63.1% | D+28.2 | |
| TX-28 | DEM | 180,166 | 59.0% | D+20.4 | |
| TX-29 | Gene GreenDEM | DEM | 83,124 | 94.1% | D+94.1 |
| TX-30 | DEM | 155,334 | 93.0% | D+93.0 | |
| TX-31 | REP | 247,427 | 64.8% | R+32.3 | |
| TX-32 | REP | 202,236 | 54.3% | R+10.3 |