United States / Iowa / Senate Election
2022 United States Senate election in Iowa
Election date
Held on
Results
100% reporting ·
| Candidate | Votes | Share | |
|---|---|---|---|
| Chuck GrassleyWinnerRepublican Party | 681,501 | 56.0% | |
| Michael FrankenDemocratic Party | 533,330 | 43.8% | |
| Write-inNonpartisan | 1,815 | 0.1% |
| County | Leader | Lead | Votes |
|---|---|---|---|
| IA - District 02 | Grassley | +9.3 | 318,615 |
| IA - District 03 | Grassley | +2.9 | 311,706 |
| IA - District 01 | Grassley | +6.1 | 306,132 |
| IA - District 04 | Grassley | +32.5 | 280,193 |
| Polk | Franken | +12.7 | 191,134 |
| Linn | Franken | +9.0 | 93,682 |
| Johnson | Franken | +42.6 | 63,723 |
| Scott | Grassley | +3.6 | 63,706 |
| Black Hawk | Franken | +1.9 | 47,223 |
| Dallas | Grassley | +5.7 | 44,103 |
All 153 counties
| County | Leader | Lead | Votes |
|---|---|---|---|
| Dubuque | Grassley | +7.1 | 38,823 |
| Story | Franken | +13.9 | 36,958 |
| IA State Senate 42 | Grassley | +19.8 | 30,091 |
| IA State Senate 23 | Grassley | +17.4 | 29,974 |
| IA State Senate 21 | Grassley | +0.5 | 29,693 |
| IA State Senate 22 | Franken | +4.0 | 29,493 |
| IA State Senate 14 | Grassley | +1.4 | 29,296 |
| Pottawattamie | Grassley | +22.8 | 29,008 |
| Woodbury | Grassley | +27.1 | 28,636 |
| IA State Senate 16 | Franken | +14.3 | 28,563 |
| IA State Senate 47 | Grassley | +10.1 | 28,167 |
| IA State Senate 11 | Grassley | +19.3 | 27,819 |
| IA State Senate 32 | Grassley | +23.2 | 27,505 |
| IA State Senate 33 | Grassley | +26.3 | 27,374 |
| IA State Senate 43 | Franken | +40.5 | 27,338 |
| IA State Senate 37 | Franken | +9.7 | 27,316 |
| IA State Senate 46 | Grassley | +15.8 | 27,277 |
| IA State Senate 05 | Grassley | +41.0 | 27,244 |
| IA State Senate 18 | Franken | +48.9 | 27,182 |
| IA State Senate 38 | Grassley | +5.0 | 26,991 |
| IA State Senate 19 | Grassley | +34.8 | 26,637 |
| IA State Senate 29 | Grassley | +28.5 | 26,580 |
| IA State Senate 40 | Franken | +10.6 | 26,256 |
| IA State Senate 08 | Grassley | +40.4 | 26,210 |
| IA State Senate 34 | Grassley | +30.3 | 25,929 |
| IA State Senate 24 | Grassley | +20.2 | 25,792 |
| IA State Senate 02 | Grassley | +71.8 | 25,731 |
| IA State Senate 27 | Grassley | +30.4 | 25,661 |
| IA State Senate 12 | Grassley | +41.6 | 25,657 |
| IA State Senate 30 | Grassley | +15.5 | 25,475 |
| IA State Senate 45 | Franken | +63.4 | 25,156 |
| IA State Senate 28 | Grassley | +38.6 | 24,464 |
| IA State Senate 35 | Grassley | +16.8 | 23,991 |
| Warren | Grassley | +18.6 | 23,738 |
| IA State Senate 07 | Grassley | +45.2 | 23,341 |
| IA State Senate 20 | Grassley | +1.2 | 23,335 |
| IA State Senate 26 | Grassley | +17.1 | 23,286 |
| IA State Senate 44 | Grassley | +32.0 | 23,070 |
| IA State Senate 36 | Franken | +5.2 | 23,052 |
| IA State Senate 41 | Grassley | +11.0 | 23,025 |
| IA State Senate 06 | Grassley | +45.7 | 23,018 |
| IA State Senate 04 | Grassley | +39.3 | 22,592 |
| IA State Senate 09 | Grassley | +41.7 | 21,410 |
| IA State Senate 48 | Grassley | +27.7 | 21,409 |
| IA State Senate 03 | Grassley | +50.1 | 21,190 |
| IA State Senate 50 | Grassley | +12.2 | 21,086 |
| IA State Senate 25 | Franken | +34.5 | 20,990 |
| IA State Senate 39 | Franken | +27.1 | 20,819 |
| IA State Senate 13 | Grassley | +35.8 | 20,707 |
| IA State Senate 31 | Franken | +14.3 | 18,556 |
| IA State Senate 49 | Franken | +13.1 | 18,142 |
| Cerro Gordo | Grassley | +9.6 | 16,927 |
| Clinton | Grassley | +14.2 | 16,823 |
| IA State Senate 15 | Franken | +21.5 | 16,823 |
| IA State Senate 10 | Grassley | +9.7 | 15,720 |
| Jasper | Grassley | +24.3 | 14,979 |
| IA State Senate 17 | Franken | +44.7 | 14,860 |
| Marion | Grassley | +38.5 | 14,160 |
| IA State Senate 01 | Grassley | +14.9 | 14,110 |
| Sioux | Grassley | +75.9 | 14,107 |
| Des Moines | Grassley | +11.5 | 13,206 |
| Muscatine | Grassley | +15.7 | 13,193 |
| Marshall | Grassley | +18.2 | 12,383 |
| Webster | Grassley | +28.9 | 11,965 |
| Lee | Grassley | +21.7 | 11,453 |
| Benton | Grassley | +32.4 | 11,346 |
| Boone | Grassley | +16.6 | 11,094 |
| Bremer | Grassley | +20.9 | 10,992 |
| Wapello | Grassley | +26.5 | 10,448 |
| Plymouth | Grassley | +57.6 | 9,716 |
| Winneshiek | Grassley | +6.4 | 9,586 |
| Washington | Grassley | +25.5 | 8,691 |
| Dickinson | Grassley | +40.6 | 8,286 |
| Jones | Grassley | +25.4 | 8,173 |
| Buchanan | Grassley | +24.7 | 8,166 |
| Carroll | Grassley | +42.5 | 8,110 |
| Mahaska | Grassley | +51.5 | 7,993 |
| Cedar | Grassley | +21.5 | 7,917 |
| Delaware | Grassley | +42.1 | 7,639 |
| Jackson | Grassley | +26.2 | 7,639 |
| Fayette | Grassley | +27.1 | 7,536 |
| Poweshiek | Grassley | +15.3 | 7,511 |
| Madison | Grassley | +35.5 | 7,485 |
| Clayton | Grassley | +31.6 | 7,360 |
| Iowa | Grassley | +30.8 | 7,357 |
| Henry | Grassley | +34.1 | 6,870 |
| Kossuth | Grassley | +42.5 | 6,715 |
| Tama | Grassley | +28.2 | 6,624 |
| Hardin | Grassley | +37.9 | 6,591 |
| Jefferson | Grassley | +0.8 | 6,489 |
| Clay | Grassley | +43.6 | 6,383 |
| Butler | Grassley | +44.3 | 6,009 |
| Allamakee | Grassley | +32.6 | 5,742 |
| Floyd | Grassley | +21.3 | 5,717 |
| Hamilton | Grassley | +31.8 | 5,707 |
| Mills | Grassley | +40.8 | 5,602 |
| Harrison | Grassley | +42.8 | 5,463 |
| Grundy | Grassley | +45.5 | 5,378 |
| O'Brien | Grassley | +63.5 | 5,336 |
| Cass | Grassley | +42.2 | 5,209 |
| Page | Grassley | +45.5 | 5,104 |
| Buena Vista | Grassley | +39.8 | 5,053 |
| Guthrie | Grassley | +37.9 | 5,013 |
| Chickasaw | Grassley | +32.6 | 4,945 |
| Lyon | Grassley | +73.2 | 4,940 |
| Appanoose | Grassley | +42.6 | 4,711 |
| Shelby | Grassley | +47.3 | 4,620 |
| Union | Grassley | +34.9 | 4,506 |
| Cherokee | Grassley | +48.4 | 4,500 |
| Crawford | Grassley | +49.8 | 4,394 |
| Winnebago | Grassley | +32.2 | 4,362 |
| Hancock | Grassley | +44.9 | 4,350 |
| Wright | Grassley | +40.3 | 4,259 |
| Mitchell | Grassley | +30.2 | 4,246 |
| Sac | Grassley | +53.2 | 3,921 |
| Calhoun | Grassley | +47.0 | 3,886 |
| Humboldt | Grassley | +51.3 | 3,830 |
| Keokuk | Grassley | +49.4 | 3,766 |
| Franklin | Grassley | +42.7 | 3,588 |
| Palo Alto | Grassley | +44.4 | 3,586 |
| Greene | Grassley | +31.4 | 3,569 |
| Montgomery | Grassley | +42.8 | 3,518 |
| Louisa | Grassley | +40.3 | 3,482 |
| Lucas | Grassley | +45.6 | 3,460 |
| Howard | Grassley | +27.0 | 3,353 |
| Clarke | Grassley | +39.7 | 3,343 |
| Emmet | Grassley | +43.8 | 3,328 |
| Monona | Grassley | +45.9 | 3,264 |
| Worth | Grassley | +26.3 | 3,219 |
| Adair | Grassley | +43.9 | 3,169 |
| Davis | Grassley | +48.5 | 2,973 |
| Monroe | Grassley | +47.3 | 2,903 |
| Pocahontas | Grassley | +53.2 | 2,820 |
| Van Buren | Grassley | +51.4 | 2,774 |
| Decatur | Grassley | +41.9 | 2,745 |
| Ida | Grassley | +56.6 | 2,726 |
| Fremont | Grassley | +43.3 | 2,600 |
| Audubon | Grassley | +37.1 | 2,425 |
| Wayne | Grassley | +56.6 | 2,378 |
| Osceola | Grassley | +69.4 | 2,272 |
| Taylor | Grassley | +56.6 | 2,255 |
| Ringgold | Grassley | +45.4 | 2,043 |
| Adams | Grassley | +42.8 | 1,637 |
Shift against the 2024 presidential vote
Each county’s margin (Democrat minus Republican share) against the 2024 presidential race in the same county. Vote-weighted average over the 100 counties reporting in both: 0.5 pts toward D.
- 10+ toward R
- 5–10 toward R
- 2–5 toward R
- Within 2
- 2–5 toward D
- 5–10 toward D
- 10+ toward D
- Not in both races
Not on the map (name not matched): IA - District 04.
| County | 2024 | Now | Shift |
|---|---|---|---|
| Jackson | R+32.5 | R+26.2 | 6.3 toward D |
| Jefferson | R+6.8 | R+0.8 | 6.0 toward D |
| Lee | R+27.7 | R+21.7 | 6.0 toward D |
| Davis | R+54.4 | R+48.5 | 5.8 toward D |
| Ringgold | R+51.3 | R+45.4 | 5.8 toward D |
| Decatur | R+46.9 | R+41.9 | 5.0 toward D |
| Wapello | R+31.4 | R+26.5 | 5.0 toward D |
| Boone | R+21.5 | R+16.6 | 4.9 toward D |
| Johnson | D+37.8 | D+42.6 | 4.8 toward D |
| Howard | R+31.7 | R+27.0 | 4.7 toward D |
| County | 2024 | Now | Shift |
|---|---|---|---|
| Buena Vista | R+33.2 | R+39.8 | 6.6 toward R |
| Crawford | R+43.4 | R+49.8 | 6.4 toward R |
| Osceola | R+64.0 | R+69.4 | 5.4 toward R |
| Sioux | R+70.7 | R+75.9 | 5.2 toward R |
| Shelby | R+42.9 | R+47.4 | 4.5 toward R |
| Woodbury | R+22.9 | R+27.1 | 4.2 toward R |
| Wright | R+36.4 | R+40.2 | 3.8 toward R |
| Grundy | R+41.7 | R+45.5 | 3.8 toward R |
| Montgomery | R+39.0 | R+42.8 | 3.8 toward R |
| Lyon | R+69.6 | R+73.2 | 3.5 toward R |
Updated
Polling trend
No polling data available for this election yet.
Latest polls
Each poll as published, with its pollster, fieldwork dates, sample size and a link to the source.
How to read a poll
- Sample size is how many people were asked. More people means less random error, never none.
- ±3 is the margin of error: the real figure is likely within 3 points either way of the one shown.
- Two polls can differ because they were taken on different dates, with different methods and different samples.
- est. means the institute did not publish a margin of error, so it is estimated from the sample size.
- The average smooths this out: it combines recent polls, so one unusual poll cannot swing the picture.
No polling data available for this election yet.
Candidates
Who is standing, in order of the polling average, then the result.
- Chuck GrassleyRepublican
- Michael FrankenDemocratic
Government
Who governs Iowa now.
Kim Reynolds
Governor of Iowa