| District | Winner | Runner-Up | Other | Total Votes | |||||
|---|---|---|---|---|---|---|---|---|---|
| District 01 | Bruce Braley* (D) | 186,991 | 64.6% | David Hartsuch (R) | 102,439 | 35.4% | 0 | 0.0% | 289,430 |
| District 02 | Dave Loebsack* (D) | 175,218 | 57.2% | Mariannette Miller-Meeks (R) | 118,778 | 38.8% | 12,101 [+] | 4.0% | 306,097 |
| District 03 | Leonard Boswell* (D) | 176,904 | 56.4% | Kim Schmett (R) | 132,136 | 42.1% | 4,599 [+] | 1.5% | 313,639 |
| District 04 | Tom Latham* (R) | 185,458 | 60.6% | Becky Greenwald (D) | 120,746 | 39.4% | 0 | 0.0% | 306,204 |
| District 05 | Steve King* (R) | 159,430 | 59.8% | Rob Hubler (D) | 99,601 | 37.4% | 7,406 [+] | 2.8% | 266,437 |
| Total R vote: 698,241 (47.1%) Total D vote: 759,460 (51.3%) | |||||||||