| District | Winner | Runner-Up | Other | Total Votes | |||||
|---|---|---|---|---|---|---|---|---|---|
| District 01 | Bruce Braley (D) | 114,322 | 55.1% | Mike Whalen (R) | 89,729 | 43.2% | 3,427 [+] | 1.7% | 207,478 |
| District 02 | Dave Loebsack (D) | 107,683 | 51.4% | Jim Leach* (R) | 101,707 | 48.6% | 0 | 0.0% | 209,390 |
| District 03 | Leonard Boswell* (D) | 115,769 | 51.9% | Jeff Lamberti (R) | 103,722 | 46.5% | 3,591 [+] | 1.6% | 223,082 |
| District 04 | Tom Latham* (R) | 121,650 | 57.2% | Selden Spencer (D) | 90,982 | 42.8% | 0 | 0.0% | 212,632 |
| District 05 | Steve King* (R) | 105,580 | 58.5% | Joyce Schulte (D) | 64,181 | 35.6% | 10,638 [+] | 5.9% | 180,399 |
| Total R vote: 522,388 (50.6%) Total D vote: 492,937 (47.7%) | |||||||||
| Office | Winner | Runner-Up | Other | Total Votes | |||||
|---|---|---|---|---|---|---|---|---|---|
| Attorney General | Tom Miller* (D) | 748,181 | 99.2% | 5,663 | 0.8% | 753,844 | |||
| Agriculture | Bill Northey (R) | 523,539 | 51.3% | Denise O'Brien (D) | 495,873 | 48.6% | 608 | 0.1% | 1,020,020 |
| Auditor | David Vaudt* (R) | 669,434 | 98.8% | 7,916 | 1.2% | 677,350 | |||
| Lt. Governor | Patty Judge (D) | 0 | 0.0% | Bob Vander Plaats (R) | 0 | 0.0% | 0 [+] | 0.0% | 0 |
| Secretary of State | Michael Mauro (D) | 541,234 | 53.6% | Mary Ann Hanusa (R) | 467,561 | 46.3% | 1,157 | 0.1% | 1,009,952 |
| Treasurer | Michael Fitzgerald* (D) | 737,198 | 99.2% | 5,666 | 0.8% | 742,864 | |||