Adair 
Adams Allamakee Appanoose Audubon Benton Black Hawk Boone Bremer Buchanan Buena Vista Butler Calhoun Carroll Cass Cedar Cerro Gordo Cherokee Chickasaw Clarke Clay Clayton Clinton Crawford Dallas Davis Decatur Delaware Des Moines Dickinson Dubuque Emmet Fayette Floyd Franklin Fremont Greene Grundy Guthrie Hamilton Hancock Hardin Harrison Henry Howard Humboldt Ida Iowa Jackson Jasper Jefferson Johnson Jones Keokuk Kossuth Lee Linn Louisa Lucas Lyon Madison Mahaska Marion Marshall Mills Mitchell Monona Monroe Montgomery Muscatine O'Brien Osceola Page Palo Alto Plymouth Pocahontas Polk Pottawattamie Poweshiek Ringgold Sac Scott Shelby Sioux Story Tama Taylor Union Van Buren Wapello Warren Washington Wayne Webster Winnebago Winneshiek Woodbury Worth Wright
Adams Allamakee Appanoose Audubon Benton Black Hawk Boone Bremer Buchanan Buena Vista Butler Calhoun Carroll Cass Cedar Cerro Gordo Cherokee Chickasaw Clarke Clay Clayton Clinton Crawford Dallas Davis Decatur Delaware Des Moines Dickinson Dubuque Emmet Fayette Floyd Franklin Fremont Greene Grundy Guthrie Hamilton Hancock Hardin Harrison Henry Howard Humboldt Ida Iowa Jackson Jasper Jefferson Johnson Jones Keokuk Kossuth Lee Linn Louisa Lucas Lyon Madison Mahaska Marion Marshall Mills Mitchell Monona Monroe Montgomery Muscatine O'Brien Osceola Page Palo Alto Plymouth Pocahontas Polk Pottawattamie Poweshiek Ringgold Sac Scott Shelby Sioux Story Tama Taylor Union Van Buren Wapello Warren Washington Wayne Webster Winnebago Winneshiek Woodbury Worth Wright House
| District | Dem General Dem | GOP General GOP |
|---|---|---|
| District 1 |
Both Parties
 | |
| District 2 |
Both Parties
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| District 3 |
Both Parties
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| District 4 |
Both Parties
| |
Iowa Statewide
| Race | Results |
|---|---|
| Iowa State Supreme Court - Retain David May All Parties Ballot Question |
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| Iowa Amendment 1 All Parties Ballot Question |
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| Iowa Amendment 2 All Parties Ballot Question |
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Local Races
Hamilton County
| County | Results |
|---|---|
| Adair |
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| Adams |
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| Allamakee |
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| Appanoose |
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| Audubon |
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| Benton |
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| Black Hawk |
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| Boone |
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| Bremer |
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| Buchanan |
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| Buena Vista |
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| Butler |
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| Calhoun |
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| Carroll |
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| Cass |
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| Cedar |
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| Cerro Gordo |
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| Cherokee |
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| Chickasaw |
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| Clarke |
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| Clay |
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| Clayton |
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| Clinton |
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| Crawford |
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| Dallas |
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| Davis |
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| Decatur |
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| Delaware |
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| Des Moines |
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| Dickinson |
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| Dubuque |
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| Emmet |
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| Fayette |
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| Floyd |
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| Franklin |
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| Fremont |
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| Greene |
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| Grundy |
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| Guthrie |
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| Hamilton |
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| Hancock |
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| Hardin |
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| Harrison |
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| Henry |
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| Howard |
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| Humboldt |
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| Ida |
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| Iowa |
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| Jackson |
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| Jasper |
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| Jefferson |
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| Johnson |
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| Jones |
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| Keokuk |
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| Kossuth |
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| Lee |
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| Linn |
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| Louisa |
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| Lucas |
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| Lyon |
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| Madison |
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| Mahaska |
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| Marion |
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| Marshall |
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| Mills |
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| Mitchell |
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| Monona |
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| Monroe |
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| Montgomery |
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| Muscatine |
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| O'Brien |
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| Osceola |
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| Page |
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| Palo Alto |
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| Plymouth |
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| Pocahontas |
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| Polk |
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| Pottawattamie |
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| Poweshiek |
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| Ringgold |
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| Sac |
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| Scott |
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| Shelby |
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| Sioux |
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| Story |
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| Tama |
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| Taylor |
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| Union |
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| Van Buren |
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| Wapello |
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| Warren |
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| Washington |
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| Wayne |
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| Webster |
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| Winnebago |
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| Winneshiek |
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| Woodbury |
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| Worth |
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| Wright |
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