Iowa — 1964 presidential election
Recent presidential results
Akashicstate1964 presidential electionIowa · PresidentJohnsonD+24.0
How it voted
Share of the 1964 vote
| Lyndon B. Johnson ✓Democratic | 61.9% | 733,030 |
|---|---|---|
| Barry GoldwaterRepublican | 37.9% | 449,148 |
| OtherAll other candidates | 0.2% | 2,361 |
1964presidential margin
D+60R+60
99 counties, each filled by 1964 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 | Democratic | D+18.7 |
| Adams County, IA | Democratic | D+19.0 |
| Allamakee County, IA | Republican | R+2.6 |
| Appanoose County, IA | Democratic | D+26.6 |
| Audubon County, IA | Democratic | D+23.3 |
| Benton County, IA | Democratic | D+31.3 |
| Black Hawk County, IA | Democratic | D+21.7 |
| Boone County, IA | Democratic | D+36.7 |
| Bremer County, IA | Democratic | D+13.0 |
| Buchanan County, IA | Democratic | D+27.6 |
| Buena Vista County, IA | Democratic | D+16.6 |
| Butler County, IA | Republican | R+1.3 |
| Calhoun County, IA | Democratic | D+29.0 |
| Carroll County, IA | Democratic | D+53.1 |
| Cass County, IA | Republican | R+2.1 |
| Cedar County, IA | Democratic | D+19.5 |
| Cerro Gordo County, IA | Democratic | D+25.0 |
| Cherokee County, IA | Democratic | D+15.4 |
| Chickasaw County, IA | Democratic | D+26.6 |
| Clarke County, IA | Democratic | D+26.4 |
| Clay County, IA | Democratic | D+21.1 |
| Clayton County, IA | Democratic | D+17.8 |
| Clinton County, IA | Democratic | D+26.8 |
| Crawford County, IA | Democratic | D+25.2 |
| Dallas County, IA | Democratic | D+32.7 |
| Davis County, IA | Democratic | D+35.0 |
| Decatur County, IA | Democratic | D+36.6 |
| Delaware County, IA | Democratic | D+14.8 |
| Des Moines County, IA | Democratic | D+40.8 |
| Dickinson County, IA | Democratic | D+17.6 |
| Dubuque County, IA | Democratic | D+40.2 |
| Emmet County, IA | Democratic | D+14.4 |
| Fayette County, IA | Democratic | D+10.7 |
| Floyd County, IA | Democratic | D+17.6 |
| Franklin County, IA | Democratic | D+18.6 |
| Fremont County, IA | Democratic | D+13.8 |
| Greene County, IA | Democratic | D+28.2 |
| Grundy County, IA | Democratic | D+5.4 |
| Guthrie County, IA | Democratic | D+29.2 |
| Hamilton County, IA | Democratic | D+24.8 |
| Hancock County, IA | Democratic | D+25.9 |
| Hardin County, IA | Democratic | D+17.5 |
| Harrison County, IA | Democratic | D+17.6 |
| Henry County, IA | Democratic | D+13.0 |
| Howard County, IA | Democratic | D+23.8 |
| Humboldt County, IA | Democratic | D+20.0 |
| Ida County, IA | Democratic | D+19.0 |
| Iowa County, IA | Democratic | D+20.2 |
| Jackson County, IA | Democratic | D+25.2 |
| Jasper County, IA | Democratic | D+31.5 |
| Jefferson County, IA | Democratic | D+20.0 |
| Johnson County, IA | Democratic | D+36.3 |
| Jones County, IA | Democratic | D+27.2 |
| Keokuk County, IA | Democratic | D+29.6 |
| Kossuth County, IA | Democratic | D+29.2 |
| Lee County, IA | Democratic | D+31.9 |
| Linn County, IA | Democratic | D+29.4 |
| Louisa County, IA | Democratic | D+17.4 |
| Lucas County, IA | Democratic | D+26.1 |
| Lyon County, IA | Republican | R+7.4 |
| Madison County, IA | Democratic | D+21.9 |
| Mahaska County, IA | Democratic | D+25.6 |
| Marion County, IA | Democratic | D+33.8 |
| Marshall County, IA | Democratic | D+21.6 |
| Mills County, IA | Democratic | D+0.8 |
| Mitchell County, IA | Democratic | D+21.6 |
| Monona County, IA | Democratic | D+28.5 |
| Monroe County, IA | Democratic | D+33.4 |
| Montgomery County, IA | Democratic | D+5.9 |
| Muscatine County, IA | Democratic | D+18.2 |
| O'Brien County, IA | Republican | R+0.5 |
| Osceola County, IA | Democratic | D+16.3 |
| Page County, IA | Republican | R+4.1 |
| Palo Alto County, IA | Democratic | D+33.6 |
| Plymouth County, IA | Democratic | D+7.3 |
| Pocahontas County, IA | Democratic | D+31.4 |
| Polk County, IA | Democratic | D+33.0 |
| Pottawattamie County, IA | Democratic | D+10.6 |
| Poweshiek County, IA | Democratic | D+25.2 |
| Ringgold County, IA | Democratic | D+17.9 |
| Sac County, IA | Democratic | D+19.5 |
| Scott County, IA | Democratic | D+23.6 |
| Shelby County, IA | Democratic | D+17.1 |
| Sioux County, IA | Republican | R+31.2 |
| Story County, IA | Democratic | D+20.1 |
| Tama County, IA | Democratic | D+26.2 |
| Taylor County, IA | Democratic | D+12.5 |
| Union County, IA | Democratic | D+19.9 |
| Van Buren County, IA | Democratic | D+20.1 |
| Wapello County, IA | Democratic | D+43.2 |
| Warren County, IA | Democratic | D+28.6 |
| Washington County, IA | Democratic | D+16.1 |
| Wayne County, IA | Democratic | D+21.1 |
| Webster County, IA | Democratic | D+32.7 |
| Winnebago County, IA | Democratic | D+22.4 |
| Winneshiek County, IA | Democratic | D+19.2 |
| Woodbury County, IA | Democratic | D+21.5 |
| Worth County, IA | Democratic | D+24.5 |
| Wright County, IA | Democratic | D+27.7 |
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 | Lyndon B. Johnson+898 | 2,85159.2% | 1,95340.6% | 80.2% | 4,812 |
| Adams County | Lyndon B. Johnson+620 | 1,94159.5% | 1,32140.5% | 10.0% | 3,263 |
| Allamakee County | Barry Goldwater+187 | 3,50448.7% | 3,69151.3% | 50.1% | 7,200 |
| Appanoose County | Lyndon B. Johnson+2,088 | 4,96063.1% | 2,87236.6% | 240.3% | 7,856 |
| Audubon County | Lyndon B. Johnson+1,140 | 3,01161.6% | 1,87138.3% | 30.1% | 4,885 |
| Benton County | Lyndon B. Johnson+3,161 | 6,61465.6% | 3,45334.2% | 170.2% | 10,084 |
| Black Hawk County | Lyndon B. Johnson+10,972 | 30,71660.8% | 19,74439.1% | 560.1% | 50,516 |
| Boone County | Lyndon B. Johnson+4,156 | 7,69967.9% | 3,54331.3% | 930.8% | 11,335 |
| Bremer County | Lyndon B. Johnson+1,165 | 5,04556.4% | 3,88043.4% | 140.2% | 8,939 |
| Buchanan County | Lyndon B. Johnson+2,434 | 5,62163.7% | 3,18736.1% | 150.2% | 8,823 |
| Buena Vista County | Lyndon B. Johnson+1,498 | 5,24558.3% | 3,74741.6% | 50.1% | 8,997 |
| Butler County | Barry Goldwater+92 | 3,37049.3% | 3,46250.7% | 00.0% | 6,832 |
| Calhoun County | Lyndon B. Johnson+1,985 | 4,40764.5% | 2,42235.4% | 80.1% | 6,837 |
| Carroll County | Lyndon B. Johnson+5,420 | 7,80776.5% | 2,38723.4% | 130.1% | 10,207 |
| Cass County | Barry Goldwater+176 | 4,00648.9% | 4,18251.0% | 100.1% | 8,198 |
| Cedar County | Lyndon B. Johnson+1,511 | 4,61759.7% | 3,10640.2% | 120.2% | 7,735 |
| Cerro Gordo County | Lyndon B. Johnson+5,272 | 13,15662.4% | 7,88437.4% | 310.1% | 21,071 |
| Cherokee County | Lyndon B. Johnson+1,156 | 4,33657.6% | 3,18042.3% | 90.1% | 7,525 |
| Chickasaw County | Lyndon B. Johnson+1,913 | 4,54563.3% | 2,63236.6% | 50.1% | 7,182 |
| Clarke County | Lyndon B. Johnson+1,113 | 2,65963.1% | 1,54636.7% | 70.2% | 4,212 |
| Clay County | Lyndon B. Johnson+1,632 | 4,63159.8% | 2,99938.7% | 1191.5% | 7,749 |
| Clayton County | Lyndon B. Johnson+1,701 | 5,62458.9% | 3,92341.1% | 30.0% | 9,550 |
| Clinton County | Lyndon B. Johnson+6,048 | 14,26763.3% | 8,21936.5% | 470.2% | 22,533 |
| Crawford County | Lyndon B. Johnson+2,025 | 5,02462.5% | 2,99937.3% | 140.2% | 8,037 |
| Dallas County | Lyndon B. Johnson+3,684 | 7,44766.1% | 3,76333.4% | 520.5% | 11,262 |
| Davis County | Lyndon B. Johnson+1,542 | 2,96667.4% | 1,42432.3% | 120.3% | 4,402 |
| Decatur County | Lyndon B. Johnson+1,789 | 3,33168.2% | 1,54231.6% | 120.2% | 4,885 |
| Delaware County | Lyndon B. Johnson+1,196 | 4,62357.3% | 3,42742.5% | 150.2% | 8,065 |
| Des Moines County | Lyndon B. Johnson+8,064 | 13,89470.3% | 5,83029.5% | 380.2% | 19,762 |
| Dickinson County | Lyndon B. Johnson+1,047 | 3,49058.8% | 2,44341.1% | 50.1% | 5,938 |
| Dubuque County | Lyndon B. Johnson+13,591 | 23,69570.1% | 10,10429.9% | 240.1% | 33,823 |
| Emmet County | Lyndon B. Johnson+876 | 3,48757.1% | 2,61142.8% | 50.1% | 6,103 |
| Fayette County | Lyndon B. Johnson+1,333 | 6,90055.3% | 5,56744.6% | 150.1% | 12,482 |
| Floyd County | Lyndon B. Johnson+1,596 | 5,31758.8% | 3,72141.1% | 50.1% | 9,043 |
| Franklin County | Lyndon B. Johnson+1,130 | 3,58259.1% | 2,45240.5% | 270.4% | 6,061 |
| Fremont County | Lyndon B. Johnson+659 | 2,70356.8% | 2,04442.9% | 140.3% | 4,761 |
| Greene County | Lyndon B. Johnson+1,687 | 3,82863.9% | 2,14135.8% | 170.3% | 5,986 |
| Grundy County | Lyndon B. Johnson+367 | 3,58252.6% | 3,21547.2% | 110.2% | 6,808 |
| Guthrie County | Lyndon B. Johnson+1,793 | 3,96264.5% | 2,16935.3% | 150.2% | 6,146 |
| Hamilton County | Lyndon B. Johnson+2,068 | 5,19562.3% | 3,12737.5% | 100.1% | 8,332 |
| Hancock County | Lyndon B. Johnson+1,588 | 3,85762.9% | 2,26937.0% | 70.1% | 6,133 |
| Hardin County | Lyndon B. Johnson+1,631 | 5,45958.7% | 3,82841.1% | 170.2% | 9,304 |
| Harrison County | Lyndon B. Johnson+1,372 | 4,57558.8% | 3,20341.1% | 90.1% | 7,787 |
| Henry County | Lyndon B. Johnson+976 | 4,22356.4% | 3,24743.4% | 120.2% | 7,482 |
| Howard County | Lyndon B. Johnson+1,481 | 3,84161.8% | 2,36038.0% | 100.2% | 6,211 |
| Humboldt County | Lyndon B. Johnson+1,126 | 3,37660.0% | 2,25040.0% | 40.1% | 5,630 |
| Ida County | Lyndon B. Johnson+928 | 2,90559.5% | 1,97740.5% | 20.0% | 4,884 |
| Iowa County | Lyndon B. Johnson+1,433 | 4,26160.0% | 2,82839.8% | 130.2% | 7,102 |
| Jackson County | Lyndon B. Johnson+2,064 | 5,13062.5% | 3,06637.4% | 90.1% | 8,205 |
| Jasper County | Lyndon B. Johnson+4,895 | 10,21665.7% | 5,32134.2% | 240.2% | 15,561 |
| Jefferson County | Lyndon B. Johnson+1,380 | 4,13559.8% | 2,75539.8% | 260.4% | 6,916 |
| Johnson County | Lyndon B. Johnson+7,857 | 14,71768.1% | 6,86031.7% | 410.2% | 21,618 |
| Jones County | Lyndon B. Johnson+2,357 | 5,51163.5% | 3,15436.4% | 70.1% | 8,672 |
| Keokuk County | Lyndon B. Johnson+2,193 | 4,79064.7% | 2,59735.1% | 170.2% | 7,404 |
| Kossuth County | Lyndon B. Johnson+3,117 | 6,89364.6% | 3,77635.4% | 50.0% | 10,674 |
| Lee County | Lyndon B. Johnson+5,923 | 12,24465.9% | 6,32134.0% | 170.1% | 18,582 |
| Linn County | Lyndon B. Johnson+18,261 | 40,10664.7% | 21,84535.2% | 780.1% | 62,029 |
| Louisa County | Lyndon B. Johnson+779 | 2,62458.6% | 1,84541.2% | 120.3% | 4,481 |
| Lucas County | Lyndon B. Johnson+1,375 | 3,31062.9% | 1,93536.8% | 150.3% | 5,260 |
| Lyon County | Barry Goldwater+438 | 2,74746.3% | 3,18553.7% | 30.1% | 5,935 |
| Madison County | Lyndon B. Johnson+1,268 | 3,51860.9% | 2,25038.9% | 120.2% | 5,780 |
| Mahaska County | Lyndon B. Johnson+2,609 | 6,39662.7% | 3,78737.1% | 220.2% | 10,205 |
| Marion County | Lyndon B. Johnson+4,008 | 7,91166.8% | 3,90333.0% | 280.2% | 11,842 |
| Marshall County | Lyndon B. Johnson+3,492 | 9,81560.7% | 6,32339.1% | 380.2% | 16,176 |
| Mills County | Lyndon B. Johnson+39 | 2,46350.4% | 2,42449.6% | 20.0% | 4,889 |
| Mitchell County | Lyndon B. Johnson+1,379 | 3,86860.7% | 2,48939.1% | 160.3% | 6,373 |
| Monona County | Lyndon B. Johnson+1,763 | 3,97164.2% | 2,20835.7% | 80.1% | 6,187 |
| Monroe County | Lyndon B. Johnson+1,598 | 3,18666.5% | 1,58833.1% | 170.4% | 4,791 |
| Montgomery County | Lyndon B. Johnson+388 | 3,48952.9% | 3,10147.0% | 110.2% | 6,601 |
| Muscatine County | Lyndon B. Johnson+2,473 | 8,02059.1% | 5,54740.9% | 100.1% | 13,577 |
| O'Brien County | Barry Goldwater+41 | 4,29549.7% | 4,33650.2% | 60.1% | 8,637 |
| Osceola County | Lyndon B. Johnson+700 | 2,49858.1% | 1,79841.8% | 50.1% | 4,301 |
| Page County | Barry Goldwater+373 | 4,40247.8% | 4,77551.9% | 320.3% | 9,209 |
| Palo Alto County | Lyndon B. Johnson+2,235 | 4,44166.8% | 2,20633.2% | 00.0% | 6,647 |
| Plymouth County | Lyndon B. Johnson+771 | 5,69153.6% | 4,92046.4% | 20.0% | 10,613 |
| Pocahontas County | Lyndon B. Johnson+1,909 | 3,98865.7% | 2,07934.2% | 50.1% | 6,072 |
| Polk County | Lyndon B. Johnson+36,914 | 74,19466.3% | 37,28033.3% | 4790.4% | 111,953 |
| Pottawattamie County | Lyndon B. Johnson+3,361 | 17,56955.3% | 14,20844.7% | 220.1% | 31,799 |
| Poweshiek County | Lyndon B. Johnson+2,104 | 5,21362.6% | 3,10937.3% | 120.1% | 8,334 |
| Ringgold County | Lyndon B. Johnson+689 | 2,26058.9% | 1,57140.9% | 90.2% | 3,840 |
| Sac County | Lyndon B. Johnson+1,421 | 4,35859.7% | 2,93740.2% | 70.1% | 7,302 |
| Scott County | Lyndon B. Johnson+12,038 | 31,52661.7% | 19,48838.1% | 840.2% | 51,098 |
| Shelby County | Lyndon B. Johnson+1,220 | 4,14858.1% | 2,92841.0% | 610.9% | 7,137 |
| Sioux County | Barry Goldwater+3,845 | 4,23334.4% | 8,07865.6% | 120.1% | 12,323 |
| Story County | Lyndon B. Johnson+4,141 | 12,32959.8% | 8,18839.7% | 930.5% | 20,610 |
| Tama County | Lyndon B. Johnson+2,514 | 6,05763.0% | 3,54336.9% | 80.1% | 9,608 |
| Taylor County | Lyndon B. Johnson+618 | 2,78056.3% | 2,16243.7% | 00.0% | 4,942 |
| Union County | Lyndon B. Johnson+1,249 | 3,75159.9% | 2,50239.9% | 100.2% | 6,263 |
| Van Buren County | Lyndon B. Johnson+855 | 2,55560.0% | 1,70039.9% | 20.0% | 4,257 |
| Wapello County | Lyndon B. Johnson+8,447 | 13,97171.5% | 5,52428.3% | 510.3% | 19,546 |
| Warren County | Lyndon B. Johnson+2,960 | 6,63964.1% | 3,67935.5% | 330.3% | 10,351 |
| Washington County | Lyndon B. Johnson+1,272 | 4,58757.9% | 3,31541.9% | 170.2% | 7,919 |
| Wayne County | Lyndon B. Johnson+1,068 | 3,06260.5% | 1,99439.4% | 60.1% | 5,062 |
| Webster County | Lyndon B. Johnson+6,429 | 13,00566.2% | 6,57633.5% | 540.3% | 19,635 |
| Winnebago County | Lyndon B. Johnson+1,346 | 3,67761.1% | 2,33138.7% | 90.1% | 6,017 |
| Winneshiek County | Lyndon B. Johnson+1,870 | 5,81159.5% | 3,94140.4% | 70.1% | 9,759 |
| Woodbury County | Lyndon B. Johnson+9,494 | 26,84160.7% | 17,34739.2% | 300.1% | 44,218 |
| Worth County | Lyndon B. Johnson+1,159 | 2,93662.2% | 1,77737.6% | 100.2% | 4,723 |
| Wright County | Lyndon B. Johnson+2,167 | 4,99863.8% | 2,83136.1% | 70.1% | 7,836 |
Nominees: Lyndon B. Johnson (D) · Barry Goldwater (R)
Iowa's presidential margins
1892–2024, the 1964 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 — 1964 presidential returns · official county-level results. Real returns — nothing estimated.