Results provided by parties. The Auditor's Office does not conduct the caucuses.
Republican Results
| George W. Bush | 1,013 |
42.07% |
| Steve Forbes | 491 |
20.39% |
| Alan Keyes | 458 |
19.02% |
| John McCain | 275 |
11.42% |
| Gary Bauer | 96 |
3.99% |
| Orrin Hatch | 75 |
3.11% |
Democratic Results
(* Note: One Uncommitted delegate from Oxford)
| Precinct | Delegates | Bill Bradley | Al Gore |
| BIG GROVE | 9 | 4 | 5 |
| CEDAR | 2 | 1 | 1 |
| CLEAR CREEK | 3 | 2 | 1 |
| CORALVILLE 1 | 8 | 4 | 4 |
| CORALVILLE 2 | 10 | 5 | 5 |
| CORALVILLE 3 | 3 | 1 | 2 |
| CORALVILLE 4 | 11 | 6 | 5 |
| FREMONT | 5 | 2 | 3 |
| GRAHAM | 2 | 1 | 1 |
| HARDIN | 2 | 1 | 1 |
| IOWA CITY 1 | 5 | 3 | 2 |
| IOWA CITY 2 | 4 | 2 | 2 |
| IOWA CITY 3 | 2 | 1 | 1 |
| IOWA CITY 4 | 8 | 5 | 3 |
| IOWA CITY 5 | 4 | 3 | 1 |
| IOWA CITY 6 | 4 | 2 | 2 |
| IOWA CITY 7 | 2 | 1 | 1 |
| IOWA CITY 8 | 6 | 3 | 3 |
| IOWA CITY 9 | 11 | 6 | 5 |
| IOWA CITY 10 | 4 | 2 | 2 |
| IOWA CITY 11 | 5 | 3 | 2 |
| IOWA CITY 12 | 8 | 4 | 4 |
| IOWA CITY 13 | 6 | 3 | 3 |
| IOWA CITY 14 | 6 | 3 | 3 |
| IOWA CITY 15 | 7 | 4 | 3 |
| IOWA CITY 16 | 7 | 4 | 3 |
| IOWA CITY 17 | 6 | 3 | 3 |
| IOWA CITY 18 | 6 | 4 | 2 |
| IOWA CITY 19 | 3 | 2 | 1 |
| IOWA CITY 20 | 4 | 3 | 1 |
| IOWA CITY 21 | 6 | 4 | 2 |
| IOWA CITY 22 | 6 | 3 | 3 |
| IOWA CITY 23 | 11 | 7 | 4 |
| IOWA CITY 24 | 7 | 5 | 2 |
| IOWA CITY 25 | 10 | 6 | 4 |
| JEFFERSON | 10 | 5 | 5 |
| LIBERTY | 4 | 2 | 2 |
| LINCOLN | 1 | 0 | 1 |
| MADISON | 1 | 1 | 0 |
| MONROE | 2 | 1 | 1 |
| NEWPORT | 6 | 3 | 3 |
| NORTH LIBERTY | 13 | 5 | 8 |
| OXFORD * | 5 | 2 | 2 |
| PENN | 8 | 5 | 3 |
| PLEASANT VALLEY | 2 | 2 | 0 |
| SCOTT | 5 | 4 | 1 |
| SHARON | 1 | 0 | 1 |
| UNION | 2 | 1 | 1 |
| UNIVERSITY HEIGHTS | 4 | 2 | 2 |
| WASHINGTON | 1 | 0 | 1 |
| WEST LUCAS | 2 | 1 | 1 |
| - | Delegates | Bradley | Gore |
| Total | 270 | 147 | 122 |