Madison County, Iowa
AkashicMadison County, IATrumpR+38.5
2024 precinct map of Madison CountyPrecinct-level 2024 presidential results for Madison County, with each precinct boundary colored by Democratic-vs-Republican margin, and gold where an independent or third-party candidate carried the precinct.
How it voted
Share of the 2024 vote
| Donald Trump ✓Republican | 68.4% | 6,864 |
|---|---|---|
| Kamala HarrisDemocratic | 30.0% | 3,008 |
| Robert F Kennedy Jr.We The People | 0.7% | 68 |
Harris +50Trump +50
10 precincts · 10,028 votes. Hover any precinct for its result.
The precinct map shows the 2024 presidential vote; the timeline scrubs the county’s overall result across 1892–2024.
38 presidential elections
| Year | Won | Democratic | Republican | Other | Margin | Total |
|---|---|---|---|---|---|---|
| R | 30.0%Harris3,008 | 68.4%Trump6,864 | 0.7%Kennedy68 | 10,028 | ||
| R | 31.9%Biden3,134 | 66.2%Trump6,507 | 1.3%Jorgensen124 | 9,824 | ||
| R | 30.8%Clinton2,678 | 61.6%Trump5,360 | 4.0%Johnson347 | 8,706 | ||
| R | 42.9%Obama3,630 | 54.8%Romney4,638 | 1.1%Gray90 | 8,458 | ||
| R | 44.0%Obama3,733 | 54.0%McCain4,579 | 2.0%Nader168 | 8,480 | ||
| R | 42.2%Kerry3,380 | 56.7%Bush4,538 | 1.1%Other86 | 8,004 | ||
| R | 44.4%Gore3,093 | 52.5%Bush3,662 | 1.8%Nader128 | 6,969 | ||
| D | 48.5%Clinton3,070 | 40.3%Dole2,550 | 10.3%Perot654 | 6,327 | ||
| D | 41.1%Clinton2,525 | 39.4%Bush2,421 | 19.0%Perot1,168 | 6,149 | ||
| D | 58.4%Dukakis3,421 | 41.1%Bush2,410 | 0.5%Larouche31 | 5,862 | ||
| R | 49.0%Mondale3,067 | 50.6%Reagan3,168 | 0.4%Larouche26 | 6,261 | ||
| R | 38.9%Carter2,496 | 51.8%Reagan3,320 | 9.3%Anderson595 | 6,411 | ||
| D | 52.6%Carter3,109 | 45.4%Ford2,681 | 2.0%McCarthy120 | 5,910 | ||
| R | 38.1%McGovern2,234 | 59.3%Nixon3,480 | 2.6%Schmitz150 | 5,864 | ||
| R | 38.6%Humphrey2,192 | 55.5%Nixon3,151 | 5.9%Wallace336 | 5,679 | ||
| D | 60.9%Johnson3,518 | 38.9%Goldwater2,250 | 0.2%Hass12 | 5,780 | ||
| R | 41.7%Kennedy2,722 | 58.3%Nixon3,804 | 0.0%Byrd3 | 6,529 | ||
| R | 40.5%Stevenson2,652 | 59.3%Eisenhower3,883 | 0.1%Andrews9 | 6,544 | ||
| R | 29.8%Stevenson2,131 | 69.5%Eisenhower4,967 | 0.7%Hallinan51 | 7,149 | ||
| R | 46.2%Truman2,827 | 52.4%Dewey3,207 | 1.5%Thurmond89 | 6,123 | ||
| R | 40.4%Roosevelt2,550 | 59.2%Dewey3,737 | 0.4%Thomas26 | 6,313 | ||
| R | 40.7%Roosevelt3,094 | 58.9%Willkie4,477 | 0.4%Thomas29 | 7,600 | ||
| R | 44.2%Roosevelt3,365 | 55.0%Landon4,188 | 0.7%Lemke56 | 7,609 | ||
| D | 51.7%Roosevelt2,923 | 47.1%Hoover2,663 | 1.2%Thomas69 | 5,655 | ||
| R | 33.0%Smith2,178 | 66.2%Hoover4,364 | 0.8%Thomas55 | 6,597 | ||
| R | 19.8%Davis1,367 | 60.8%Coolidge4,191 | 19.4%La Follette1,335 | 6,893 | ||
| R | 29.3%Cox1,899 | 68.8%Harding4,465 | 1.9%Debs123 | 6,487 | ||
| R | 46.9%Wilson1,711 | 51.3%Hughes1,871 | 1.9%Benson68 | 3,650 | ||
| O | 31.4%Wilson1,185 | 33.8%Taft1,274 | 34.8%Roosevelt1,311 | 3,770 | ||
| R | 34.5%Bryan1,404 | 59.5%Taft2,425 | 6.0%Debs244 | 4,073 | ||
| R | 28.9%Parker1,190 | 63.2%Roosevelt2,602 | 7.9%Debs325 | 4,117 | ||
| R | 41.0%Bryan1,907 | 55.7%McKinley2,590 | 3.3%Woolley155 | 4,652 | ||
| R | 48.3%Bryan2,224 | 50.3%McKinley2,313 | 1.4%Palmer63 | 4,600 | ||
| R | 35.8%Cleveland1,406 | 50.1%Harrison1,966 | 14.0%Weaver551 | 3,923 | ||
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presidential history
Presidential margin, 1892–2024
Democratic minus Republican, by election
| Year | Margin (D minus R) |
|---|---|
| 1892 | −14.3% |
| 1896 | −1.9% |
| 1900 | −14.7% |
| 1904 | −34.3% |
| 1908 | −25.1% |
| 1912 | −2.4% |
| 1916 | −4.4% |
| 1920 | −39.6% |
| 1924 | −41.0% |
| 1928 | −33.1% |
| 1932 | +4.6% |
| 1936 | −10.8% |
| 1940 | −18.2% |
| 1944 | −18.8% |
| 1948 | −6.2% |
| 1952 | −39.7% |
| 1956 | −18.8% |
| 1960 | −16.6% |
| 1964 | +21.9% |
| 1968 | −16.9% |
| 1972 | −21.2% |
| 1976 | +7.2% |
| 1980 | −12.9% |
| 1984 | −1.6% |
| 1988 | +17.2% |
| 1992 | +1.7% |
| 1996 | +8.2% |
| 2000 | −8.2% |
| 2004 | −14.5% |
| 2008 | −10.0% |
| 2012 | −11.9% |
| 2016 | −30.8% |
| 2020 | −34.3% |
| 2024 | −38.5% |
DemocraticRepublican
voter registration
Registered voters
By party of registration, over time
DemocraticRepublicanUnaffiliatedOther parties
| Year | Total registered | Democratic | Republican | Unaffiliated | Other |
|---|---|---|---|---|---|
| 2008 | 11,412 | 3,805 | 3,669 | 3,937 | 1 |
| 2010 | 11,499 | 3,461 | 4,033 | 4,001 | 4 |
| 2012 | 11,639 | 3,227 | 4,217 | 4,185 | 10 |
| 2014 | 11,408 | 2,982 | 4,207 | 4,200 | 19 |
| 2016 | 11,582 | 2,880 | 4,562 | 4,097 | 43 |
| 2018 | 11,678 | 2,806 | 4,559 | 4,230 | 83 |
| 2020 | 12,199 | 3,022 | 5,159 | 3,922 | 96 |
| 2022 | 12,355 | 2,800 | 5,339 | 4,111 | 105 |
| 2024 | 12,653 | 2,501 | 5,731 | 4,297 | 124 |
Source: Iowa Secretary of State
Madison County, best known for its historic covered bridges, has shifted decisively toward Republican presidential candidates over the past two decades, with 2024 margins exceeding 38 points in a county of just over 14,000 residents.
Across the recorded series it reached a Democratic high of 21.9 points in 1964 and a Republican high of 41.0 points in 1924. Between 2020 and 2024 the county moved 4.1 points toward the Republican candidate; the 2024 margin was 38.5 points.
A population of 16,926, a 94% non-Hispanic-white share, and a median household income of $90,855 describe the county. The county's voting pattern over the last decade is most similar to that of Guthrie County and Pocahontas County.
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All citations released under CC BY 4.0. Attribution: Akashic Intelligence.
Madison County, Iowa. Akashic. https://akashic.app/county/19121/. Accessed May 20, 2026. License: CC BY 4.0.
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Cities & towns in Madison County
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Frequently asked questions
How did Madison County, Iowa vote in 2024?
In 2024, Madison County, Iowa voted Republican by 38.5 points (R+38.5), carried by the Republican candidate. Out of 10,028 votes cast, 3,008 went Democratic and 6,864 went Republican.
When did Madison County, Iowa last vote Democratic?
The most recent presidential election in which Madison County, Iowa voted Democratic was 1996.
How many people live in Madison County, Iowa?
Madison County, Iowa has a population of 16,926 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Madison County, Iowa?
Median household income in Madison County, Iowa is $90,855 — above the national median of $80,734. The Iowa state median is $75,059.
What is the political history of Madison County, Iowa?
Akashic tracks 38 presidential elections in Madison County, Iowa from 1876 to 2024. Of those, 6 went Democratic and 27 went Republican.