Iowa — 1968 presidential election
Recent presidential results
Akashicstate1968 presidential electionIowa · PresidentNixonR+12.2
How it voted
Share of the 1968 vote
| Richard Nixon ✓Republican | 53.0% | 619,106 |
|---|---|---|
| Hubert HumphreyDemocratic | 40.8% | 476,699 |
| OtherAll other candidates | 6.2% | 72,126 |
1968presidential margin
D+60R+60
99 counties, each filled by 1968 D-vs-R margin. Hover any county for its result.
Iowa cast 9 electoral votes this cycle.
County-level results (99 counties) — table
| County | Winner | Margin |
|---|---|---|
| Adair County, IA | Republican | R+26.8 |
| Adams County, IA | Republican | R+28.0 |
| Allamakee County, IA | Republican | R+31.0 |
| Appanoose County, IA | Republican | R+7.0 |
| Audubon County, IA | Republican | R+19.6 |
| Benton County, IA | Republican | R+11.1 |
| Black Hawk County, IA | Republican | R+9.1 |
| Boone County, IA | Republican | R+0.4 |
| Bremer County, IA | Republican | R+36.6 |
| Buchanan County, IA | Republican | R+10.0 |
| Buena Vista County, IA | Republican | R+28.2 |
| Butler County, IA | Republican | R+45.2 |
| Calhoun County, IA | Republican | R+21.0 |
| Carroll County, IA | Democratic | D+9.6 |
| Cass County, IA | Republican | R+39.8 |
| Cedar County, IA | Republican | R+23.9 |
| Cerro Gordo County, IA | Republican | R+10.4 |
| Cherokee County, IA | Republican | R+23.1 |
| Chickasaw County, IA | Republican | R+8.0 |
| Clarke County, IA | Republican | R+10.1 |
| Clay County, IA | Republican | R+19.5 |
| Clayton County, IA | Republican | R+22.1 |
| Clinton County, IA | Republican | R+9.0 |
| Crawford County, IA | Republican | R+18.5 |
| Dallas County, IA | Republican | R+4.3 |
| Davis County, IA | Republican | R+2.6 |
| Decatur County, IA | Republican | R+4.4 |
| Delaware County, IA | Republican | R+24.1 |
| Des Moines County, IA | Democratic | D+8.6 |
| Dickinson County, IA | Republican | R+19.3 |
| Dubuque County, IA | Democratic | D+12.8 |
| Emmet County, IA | Republican | R+21.9 |
| Fayette County, IA | Republican | R+24.3 |
| Floyd County, IA | Republican | R+22.3 |
| Franklin County, IA | Republican | R+32.2 |
| Fremont County, IA | Republican | R+21.1 |
| Greene County, IA | Republican | R+17.4 |
| Grundy County, IA | Republican | R+46.7 |
| Guthrie County, IA | Republican | R+22.3 |
| Hamilton County, IA | Republican | R+19.4 |
| Hancock County, IA | Republican | R+23.8 |
| Hardin County, IA | Republican | R+22.8 |
| Harrison County, IA | Republican | R+21.3 |
| Henry County, IA | Republican | R+27.2 |
| Howard County, IA | Republican | R+12.4 |
| Humboldt County, IA | Republican | R+24.0 |
| Ida County, IA | Republican | R+29.2 |
| Iowa County, IA | Republican | R+21.8 |
| Jackson County, IA | Republican | R+13.1 |
| Jasper County, IA | Republican | R+8.8 |
| Jefferson County, IA | Republican | R+24.8 |
| Johnson County, IA | Democratic | D+8.3 |
| Jones County, IA | Republican | R+13.1 |
| Keokuk County, IA | Republican | R+11.6 |
| Kossuth County, IA | Republican | R+9.5 |
| Lee County, IA | Republican | R+4.5 |
| Linn County, IA | Republican | R+1.6 |
| Louisa County, IA | Republican | R+20.0 |
| Lucas County, IA | Republican | R+12.6 |
| Lyon County, IA | Republican | R+48.5 |
| Madison County, IA | Republican | R+16.9 |
| Mahaska County, IA | Republican | R+19.5 |
| Marion County, IA | Republican | R+10.6 |
| Marshall County, IA | Republican | R+18.2 |
| Mills County, IA | Republican | R+36.4 |
| Mitchell County, IA | Republican | R+24.5 |
| Monona County, IA | Republican | R+14.2 |
| Monroe County, IA | Democratic | D+2.1 |
| Montgomery County, IA | Republican | R+34.9 |
| Muscatine County, IA | Republican | R+20.5 |
| O'Brien County, IA | Republican | R+42.7 |
| Osceola County, IA | Republican | R+26.7 |
| Page County, IA | Republican | R+43.5 |
| Palo Alto County, IA | Republican | R+3.9 |
| Plymouth County, IA | Republican | R+29.9 |
| Pocahontas County, IA | Republican | R+10.3 |
| Polk County, IA | Democratic | D+0.8 |
| Pottawattamie County, IA | Republican | R+23.0 |
| Poweshiek County, IA | Republican | R+15.0 |
| Ringgold County, IA | Republican | R+21.5 |
| Sac County, IA | Republican | R+29.6 |
| Scott County, IA | Republican | R+2.2 |
| Shelby County, IA | Republican | R+23.0 |
| Sioux County, IA | Republican | R+62.6 |
| Story County, IA | Republican | R+16.4 |
| Tama County, IA | Republican | R+12.8 |
| Taylor County, IA | Republican | R+27.3 |
| Union County, IA | Republican | R+20.8 |
| Van Buren County, IA | Republican | R+24.9 |
| Wapello County, IA | Democratic | D+8.3 |
| Warren County, IA | Republican | R+9.0 |
| Washington County, IA | Republican | R+27.9 |
| Wayne County, IA | Republican | R+18.2 |
| Webster County, IA | Republican | R+4.1 |
| Winnebago County, IA | Republican | R+23.2 |
| Winneshiek County, IA | Republican | R+24.0 |
| Woodbury County, IA | Republican | R+6.9 |
| Worth County, IA | Republican | R+12.9 |
| Wright County, IA | Republican | R+17.6 |
Iowa results by county
99 counties. Third-party and independent votes are reported by the county source as one combined figure; every named candidate is listed in the complete result below.
| Led by | |||||
|---|---|---|---|---|---|
| Adair County | Richard Nixon+1,230 | 2,78960.8% | 1,55934.0% | 2385.2% | 4,586 |
| Adams County | Richard Nixon+875 | 1,86859.7% | 99331.7% | 2678.5% | 3,128 |
| Allamakee County | Richard Nixon+2,204 | 4,44962.6% | 2,24531.6% | 4165.9% | 7,110 |
| Appanoose County | Richard Nixon+492 | 3,49749.6% | 3,00542.6% | 5517.8% | 7,053 |
| Audubon County | Richard Nixon+882 | 2,59257.5% | 1,71038.0% | 2024.5% | 4,504 |
| Benton County | Richard Nixon+1,072 | 5,01652.1% | 3,94440.9% | 6757.0% | 9,635 |
| Black Hawk County | Richard Nixon+4,497 | 25,59451.6% | 21,09742.6% | 2,8635.8% | 49,554 |
| Boone County | Richard Nixon+41 | 5,26047.4% | 5,21947.0% | 6175.6% | 11,096 |
| Bremer County | Richard Nixon+3,123 | 5,60465.8% | 2,48129.1% | 4385.1% | 8,523 |
| Buchanan County | Richard Nixon+871 | 4,54152.4% | 3,67042.3% | 4635.3% | 8,674 |
| Buena Vista County | Richard Nixon+2,548 | 5,59961.9% | 3,05133.7% | 4004.4% | 9,050 |
| Butler County | Richard Nixon+2,978 | 4,65170.6% | 1,67325.4% | 2654.0% | 6,589 |
| Calhoun County | Richard Nixon+1,354 | 3,71557.5% | 2,36136.6% | 3825.9% | 6,458 |
| Carroll County | Hubert Humphrey+882 | 3,92742.7% | 4,80952.3% | 4665.1% | 9,202 |
| Cass County | Richard Nixon+3,087 | 5,22367.3% | 2,13627.5% | 4025.2% | 7,761 |
| Cedar County | Richard Nixon+1,819 | 4,49459.0% | 2,67535.1% | 4455.8% | 7,614 |
| Cerro Gordo County | Richard Nixon+2,107 | 10,66152.5% | 8,55442.1% | 1,0955.4% | 20,310 |
| Cherokee County | Richard Nixon+1,731 | 4,43659.2% | 2,70536.1% | 3554.7% | 7,496 |
| Chickasaw County | Richard Nixon+544 | 3,51051.9% | 2,96643.8% | 2884.3% | 6,764 |
| Clarke County | Richard Nixon+404 | 2,05951.5% | 1,65541.4% | 2867.1% | 4,000 |
| Clay County | Richard Nixon+1,485 | 4,32556.7% | 2,84037.2% | 4636.1% | 7,628 |
| Clayton County | Richard Nixon+1,964 | 5,13257.8% | 3,16835.7% | 5786.5% | 8,878 |
| Clinton County | Richard Nixon+1,998 | 11,51351.9% | 9,51542.9% | 1,1475.2% | 22,175 |
| Crawford County | Richard Nixon+1,436 | 4,28755.4% | 2,85136.8% | 6067.8% | 7,744 |
| Dallas County | Richard Nixon+487 | 5,54949.2% | 5,06244.8% | 6766.0% | 11,287 |
| Davis County | Richard Nixon+112 | 2,01647.1% | 1,90444.5% | 3588.4% | 4,278 |
| Decatur County | Richard Nixon+204 | 2,26149.3% | 2,05744.8% | 2705.9% | 4,588 |
| Delaware County | Richard Nixon+1,890 | 4,65059.4% | 2,76035.3% | 4195.4% | 7,829 |
| Des Moines County | Hubert Humphrey+1,712 | 8,45242.3% | 10,16450.9% | 1,3636.8% | 19,979 |
| Dickinson County | Richard Nixon+1,186 | 3,47256.4% | 2,28637.2% | 3936.4% | 6,151 |
| Dubuque County | Hubert Humphrey+4,467 | 14,19740.7% | 18,66453.5% | 2,0025.7% | 34,863 |
| Emmet County | Richard Nixon+1,281 | 3,44458.9% | 2,16337.0% | 2404.1% | 5,847 |
| Fayette County | Richard Nixon+2,837 | 6,93559.3% | 4,09835.1% | 6545.6% | 11,687 |
| Floyd County | Richard Nixon+1,821 | 4,79258.6% | 2,97136.3% | 4155.1% | 8,178 |
| Franklin County | Richard Nixon+1,827 | 3,60463.5% | 1,77731.3% | 2965.2% | 5,677 |
| Fremont County | Richard Nixon+901 | 2,38555.9% | 1,48434.8% | 4019.4% | 4,270 |
| Greene County | Richard Nixon+1,000 | 3,20855.9% | 2,20838.5% | 3205.6% | 5,736 |
| Grundy County | Richard Nixon+3,191 | 4,86671.1% | 1,67524.5% | 2994.4% | 6,840 |
| Guthrie County | Richard Nixon+1,283 | 3,34658.2% | 2,06335.9% | 3425.9% | 5,751 |
| Hamilton County | Richard Nixon+1,549 | 4,60757.6% | 3,05838.2% | 3364.2% | 8,001 |
| Hancock County | Richard Nixon+1,413 | 3,54459.6% | 2,13135.8% | 2744.6% | 5,949 |
| Hardin County | Richard Nixon+2,081 | 5,30858.1% | 3,22735.3% | 5996.6% | 9,134 |
| Harrison County | Richard Nixon+1,457 | 3,86756.7% | 2,41035.3% | 5488.0% | 6,825 |
| Henry County | Richard Nixon+2,081 | 4,61360.2% | 2,53233.1% | 5146.7% | 7,659 |
| Howard County | Richard Nixon+721 | 3,14153.9% | 2,42041.5% | 2664.6% | 5,827 |
| Humboldt County | Richard Nixon+1,299 | 3,23959.9% | 1,94035.9% | 2314.3% | 5,410 |
| Ida County | Richard Nixon+1,290 | 2,75362.2% | 1,46333.1% | 2094.7% | 4,425 |
| Iowa County | Richard Nixon+1,547 | 4,13358.1% | 2,58636.4% | 3925.5% | 7,111 |
| Jackson County | Richard Nixon+1,122 | 4,53553.0% | 3,41339.9% | 6057.1% | 8,553 |
| Jasper County | Richard Nixon+1,345 | 7,90151.8% | 6,55643.0% | 7985.2% | 15,255 |
| Jefferson County | Richard Nixon+1,719 | 4,13059.5% | 2,41134.7% | 3985.7% | 6,939 |
| Johnson County | Hubert Humphrey+2,157 | 11,38443.9% | 13,54152.2% | 1,0193.9% | 25,944 |
| Jones County | Richard Nixon+1,098 | 4,51353.6% | 3,41540.6% | 4845.8% | 8,412 |
| Keokuk County | Richard Nixon+781 | 3,58853.3% | 2,80741.7% | 3425.1% | 6,737 |
| Kossuth County | Richard Nixon+958 | 5,35053.0% | 4,39243.5% | 3473.4% | 10,089 |
| Lee County | Richard Nixon+807 | 8,88349.3% | 8,07644.8% | 1,0776.0% | 18,036 |
| Linn County | Richard Nixon+1,020 | 30,91848.0% | 29,89846.4% | 3,6145.6% | 64,430 |
| Louisa County | Richard Nixon+897 | 2,52956.4% | 1,63236.4% | 3237.2% | 4,484 |
| Lucas County | Richard Nixon+601 | 2,54353.2% | 1,94240.6% | 2976.2% | 4,782 |
| Lyon County | Richard Nixon+2,792 | 4,19572.9% | 1,40324.4% | 1562.7% | 5,754 |
| Madison County | Richard Nixon+959 | 3,15155.5% | 2,19238.6% | 3365.9% | 5,679 |
| Mahaska County | Richard Nixon+1,949 | 5,67056.9% | 3,72137.3% | 5795.8% | 9,970 |
| Marion County | Richard Nixon+1,173 | 5,79152.4% | 4,61841.7% | 6535.9% | 11,062 |
| Marshall County | Richard Nixon+3,040 | 9,40256.3% | 6,36238.1% | 9225.5% | 16,686 |
| Mills County | Richard Nixon+1,700 | 2,91662.4% | 1,21626.0% | 54011.6% | 4,672 |
| Mitchell County | Richard Nixon+1,430 | 3,53360.6% | 2,10336.1% | 1943.3% | 5,830 |
| Monona County | Richard Nixon+796 | 2,98053.1% | 2,18438.9% | 4468.0% | 5,610 |
| Monroe County | Hubert Humphrey+97 | 2,14345.5% | 2,24047.6% | 3226.8% | 4,705 |
| Montgomery County | Richard Nixon+2,263 | 4,15564.1% | 1,89229.2% | 4346.7% | 6,481 |
| Muscatine County | Richard Nixon+2,635 | 7,36157.2% | 4,72636.7% | 7876.1% | 12,874 |
| O'Brien County | Richard Nixon+3,448 | 5,59469.3% | 2,14626.6% | 3284.1% | 8,068 |
| Osceola County | Richard Nixon+1,096 | 2,51661.3% | 1,42034.6% | 1664.0% | 4,102 |
| Page County | Richard Nixon+3,779 | 5,90768.1% | 2,12824.5% | 6447.4% | 8,679 |
| Palo Alto County | Richard Nixon+240 | 3,11450.0% | 2,87446.2% | 2353.8% | 6,223 |
| Plymouth County | Richard Nixon+3,002 | 6,23662.1% | 3,23432.2% | 5675.6% | 10,037 |
| Pocahontas County | Richard Nixon+576 | 2,94052.6% | 2,36442.3% | 2905.2% | 5,594 |
| Polk County | Hubert Humphrey+917 | 51,81445.1% | 52,73145.9% | 10,2398.9% | 114,784 |
| Pottawattamie County | Richard Nixon+6,543 | 16,03856.5% | 9,49533.4% | 2,86610.1% | 28,399 |
| Poweshiek County | Richard Nixon+1,220 | 4,47055.1% | 3,25040.1% | 3924.8% | 8,112 |
| Ringgold County | Richard Nixon+749 | 1,98657.1% | 1,23735.5% | 2587.4% | 3,481 |
| Sac County | Richard Nixon+1,975 | 4,18262.6% | 2,20733.1% | 2874.3% | 6,676 |
| Scott County | Richard Nixon+1,187 | 25,78346.9% | 24,59644.7% | 4,6398.4% | 55,018 |
| Shelby County | Richard Nixon+1,521 | 3,88658.6% | 2,36535.7% | 3755.7% | 6,626 |
| Sioux County | Richard Nixon+7,829 | 10,01080.0% | 2,18117.4% | 3162.5% | 12,507 |
| Story County | Richard Nixon+3,871 | 13,32756.3% | 9,45639.9% | 8923.8% | 23,675 |
| Tama County | Richard Nixon+1,188 | 4,95553.6% | 3,76740.7% | 5315.7% | 9,253 |
| Taylor County | Richard Nixon+1,264 | 2,76559.6% | 1,50132.4% | 3708.0% | 4,636 |
| Union County | Richard Nixon+1,228 | 3,36557.1% | 2,13736.2% | 3966.7% | 5,898 |
| Van Buren County | Richard Nixon+963 | 2,29459.3% | 1,33134.4% | 2446.3% | 3,869 |
| Wapello County | Hubert Humphrey+1,550 | 7,82542.0% | 9,37550.3% | 1,4477.8% | 18,647 |
| Warren County | Richard Nixon+1,006 | 5,61950.3% | 4,61341.3% | 9398.4% | 11,171 |
| Washington County | Richard Nixon+2,220 | 4,89961.7% | 2,67933.7% | 3654.6% | 7,943 |
| Wayne County | Richard Nixon+830 | 2,55355.8% | 1,72337.7% | 2976.5% | 4,573 |
| Webster County | Richard Nixon+777 | 9,34949.0% | 8,57244.9% | 1,1766.2% | 19,097 |
| Winnebago County | Richard Nixon+1,380 | 3,54359.5% | 2,16336.3% | 2484.2% | 5,954 |
| Winneshiek County | Richard Nixon+2,236 | 5,60060.1% | 3,36436.1% | 3553.8% | 9,319 |
| Woodbury County | Richard Nixon+2,878 | 21,15950.6% | 18,28143.7% | 2,3635.7% | 41,803 |
| Worth County | Richard Nixon+568 | 2,38353.9% | 1,81541.1% | 2225.0% | 4,420 |
| Wright County | Richard Nixon+1,330 | 4,29956.9% | 2,96939.3% | 2813.7% | 7,549 |
Nominees: Hubert Humphrey (D) · Richard Nixon (R) · George Wallace (American Independent)
Iowa's presidential margins
1892–2024, the 1968 contest in context
| Year | Margin (D minus R) |
|---|---|
| 1892 | −5.3% |
| 1896 | −12.6% |
| 1900 | −18.6% |
| 1904 | −32.7% |
| 1908 | −15.0% |
| 1912 | +13.3% |
| 1916 | −11.4% |
| 1920 | −45.5% |
| 1924 | −38.6% |
| 1928 | −24.2% |
| 1932 | +17.7% |
| 1936 | +11.7% |
| 1940 | −4.4% |
| 1944 | −4.5% |
| 1948 | +2.7% |
| 1952 | −28.2% |
| 1956 | −18.4% |
| 1960 | −13.5% |
| 1964 | +24.0% |
| 1968 | −12.2% |
| 1972 | −17.1% |
| 1976 | −1.0% |
| 1980 | −12.7% |
| 1984 | −7.4% |
| 1988 | +10.2% |
| 1992 | +6.0% |
| 1996 | +10.3% |
| 2000 | +0.3% |
| 2004 | −0.7% |
| 2008 | +9.5% |
| 2012 | +5.8% |
| 2016 | −9.3% |
| 2020 | −8.2% |
| 2024 | −13.2% |
Source. Compiled historical county records — 1968 presidential returns · official county-level results. Real returns — nothing estimated.