| District | Winner | Runner-Up | Other | Total Votes | |||||
|---|---|---|---|---|---|---|---|---|---|
| District 01 | Bruce Braley* (D) | 222,422 | 56.9% | Ben Lange (R) | 162,465 | 41.6% | 5,962 [+] | 1.5% | 390,849 |
| District 02 | Dave Loebsack* (D) | 211,863 | 55.6% | John Archer (R) | 161,977 | 42.5% | 7,435 [+] | 2.0% | 381,275 |
| District 03 | Tom Latham* (R) | 202,000 | 52.2% | Leonard Boswell* (D) | 168,632 | 43.6% | 16,210 [+] | 4.2% | 386,842 |
| District 04 | Steve King* (R) | 200,063 | 52.9% | Christie Vilsack (D) | 169,470 | 44.8% | 8,350 [+] | 2.2% | 377,883 |
| Total R vote: 726,505 (47.3%) Total D vote: 772,387 (50.3%) | |||||||||