| District | Winner | Runner-Up | Other | Total Votes | |||||
|---|---|---|---|---|---|---|---|---|---|
| District 01 | Bruce Braley* (D) | 104,428 | 49.5% | Ben Lange (R) | 100,219 | 47.5% | 6,255 [+] | 3.0% | 210,902 |
| District 02 | Dave Loebsack* (D) | 115,839 | 51.0% | Mariannette Miller-Meeks (R) | 104,319 | 45.9% | 7,017 [+] | 3.1% | 227,175 |
| District 03 | Leonard Boswell* (D) | 122,147 | 50.7% | Brad Zaun (R) | 111,925 | 46.5% | 6,684 [+] | 2.8% | 240,756 |
| District 04 | Tom Latham* (R) | 152,588 | 65.6% | Bill Maske (D) | 74,300 | 32.0% | 5,631 [+] | 2.4% | 232,519 |
| District 05 | Steve King* (R) | 128,363 | 65.7% | Matthew Campbell (D) | 63,160 | 32.4% | 3,716 [+] | 1.9% | 195,239 |
| Total R vote: 597,414 (54.0%) Total D vote: 479,874 (43.4%) | |||||||||
| Office | Winner | Runner-Up | Other | Total Votes | |||||
|---|---|---|---|---|---|---|---|---|---|
| Attorney General | Tom Miller* (D) | 607,779 | 55.5% | Brenna Findley (R) | 486,057 | 44.4% | 797 | 0.1% | 1,094,633 |
| Agriculture | Bill Northey* (R) | 674,572 | 62.8% | Francis Thicke (D) | 398,428 | 37.1% | 849 | 0.1% | 1,073,849 |
| Auditor | David Vaudt* (R) | 597,721 | 56.4% | Jon Murphy (D) | 460,493 | 43.5% | 924 | 0.1% | 1,059,138 |
| Lt. Governor | Kim Reynolds (R) | 0 | 0.0% | Patty Judge* (D) | 0 | 0.0% | 0 [+] | 0.0% | 0 |
| Secretary of State | Matt Schultz (R) | 537,758 | 49.8% | Michael Mauro* (D) | 508,121 | 47.0% | 34,402 [+] | 3.2% | 1,080,281 |
| Treasurer | Michael Fitzgerald* (D) | 567,422 | 52.9% | David Jamison (R) | 504,605 | 47.0% | 795 | 0.1% | 1,072,822 |