Marshall County, Iowa
AkashicMarshall County, IATrumpR+15.5
2024 precinct map of Marshall CountyPrecinct-level 2024 presidential results for Marshall 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 | 56.8% | 9,815 |
|---|---|---|
| Kamala HarrisDemocratic | 41.3% | 7,134 |
| Robert F Kennedy Jr.We The People | 1.0% | 170 |
Harris +50Trump +50
11 precincts · 17,270 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 | 41.3%Harris7,134 | 56.8%Trump9,815 | 1.0%Kennedy170 | 17,270 | ||
| R | 45.1%Biden8,176 | 52.8%Trump9,571 | 1.2%Jorgensen216 | 18,136 | ||
| R | 42.1%Clinton7,652 | 50.3%Trump9,146 | 3.2%Johnson577 | 18,175 | ||
| D | 53.8%Obama10,257 | 44.4%Romney8,472 | 0.6%Johnson116 | 19,064 | ||
| D | 53.7%Obama10,023 | 44.4%McCain8,278 | 1.9%Nader356 | 18,657 | ||
| R | 49.3%Kerry9,443 | 49.9%Bush9,557 | 0.9%Other164 | 19,164 | ||
| R | 47.2%Gore8,322 | 49.8%Bush8,785 | 1.9%Nader340 | 17,624 | ||
| D | 50.0%Clinton8,669 | 40.5%Dole7,017 | 8.4%Perot1,455 | 17,324 | ||
| D | 45.4%Clinton8,303 | 37.1%Bush6,784 | 17.0%Perot3,100 | 18,289 | ||
| D | 55.6%Dukakis9,760 | 43.6%Bush7,657 | 0.8%Larouche132 | 17,549 | ||
| R | 44.4%Mondale8,809 | 54.6%Reagan10,839 | 1.0%Larouche192 | 19,840 | ||
| R | 36.2%Carter7,114 | 54.6%Reagan10,707 | 9.2%Anderson1,805 | 19,626 | ||
| R | 46.7%Carter8,695 | 51.3%Ford9,562 | 2.0%McCarthy373 | 18,630 | ||
| R | 37.3%McGovern6,618 | 60.9%Nixon10,798 | 1.8%Schmitz328 | 17,744 | ||
| R | 38.1%Humphrey6,362 | 56.3%Nixon9,402 | 5.5%Wallace922 | 16,686 | ||
| D | 60.7%Johnson9,815 | 39.1%Goldwater6,323 | 0.2%Hass38 | 16,176 | ||
| R | 39.7%Kennedy6,761 | 60.2%Nixon10,265 | 0.1%Byrd16 | 17,042 | ||
| R | 35.0%Stevenson5,755 | 62.7%Eisenhower10,305 | 2.2%Andrews365 | 16,425 | ||
| R | 31.5%Stevenson5,314 | 65.9%Eisenhower11,135 | 2.6%Hallinan441 | 16,890 | ||
| R | 43.7%Truman5,602 | 52.2%Dewey6,698 | 4.2%Thurmond533 | 12,833 | ||
| R | 42.5%Roosevelt5,598 | 55.7%Dewey7,325 | 1.8%Thomas234 | 13,157 | ||
| R | 43.1%Roosevelt6,497 | 56.4%Willkie8,503 | 0.4%Thomas65 | 15,065 | ||
| R | 45.0%Roosevelt6,297 | 52.7%Landon7,377 | 2.4%Lemke334 | 14,008 | ||
| R | 47.4%Roosevelt6,385 | 49.0%Hoover6,604 | 3.7%Thomas494 | 13,483 | ||
| R | 26.5%Smith3,384 | 72.9%Hoover9,326 | 0.6%Thomas82 | 12,792 | ||
| R | 11.5%Davis1,516 | 68.1%Coolidge9,010 | 20.5%La Follette2,707 | 13,233 | ||
| R | 18.4%Cox2,166 | 79.1%Harding9,334 | 2.5%Debs300 | 11,800 | ||
| R | 34.9%Wilson2,414 | 60.3%Hughes4,172 | 4.8%Benson330 | 6,916 | ||
| O | 32.2%Wilson2,162 | 13.8%Taft926 | 54.0%Roosevelt3,629 | 6,717 | ||
| R | 30.6%Bryan1,941 | 61.3%Taft3,887 | 8.0%Debs509 | 6,337 | ||
| R | 19.0%Parker1,203 | 66.7%Roosevelt4,229 | 14.3%Debs905 | 6,337 | ||
| R | 31.1%Bryan2,329 | 65.1%McKinley4,878 | 3.9%Woolley289 | 7,496 | ||
| R | 35.8%Bryan2,626 | 61.8%McKinley4,541 | 2.4%Palmer175 | 7,342 | ||
| R | 38.0%Cleveland2,312 | 56.6%Harrison3,441 | 5.4%Weaver327 | 6,080 | ||
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presidential history
Presidential margin, 1892–2024
Democratic minus Republican, by election
| Year | Margin (D minus R) |
|---|---|
| 1892 | −18.6% |
| 1896 | −26.1% |
| 1900 | −34.0% |
| 1904 | −47.8% |
| 1908 | −30.7% |
| 1912 | +18.4% |
| 1916 | −25.4% |
| 1920 | −60.7% |
| 1924 | −56.6% |
| 1928 | −46.5% |
| 1932 | −1.6% |
| 1936 | −7.7% |
| 1940 | −13.3% |
| 1944 | −13.1% |
| 1948 | −8.5% |
| 1952 | −34.5% |
| 1956 | −27.7% |
| 1960 | −20.6% |
| 1964 | +21.6% |
| 1968 | −18.2% |
| 1972 | −23.6% |
| 1976 | −4.7% |
| 1980 | −18.3% |
| 1984 | −10.2% |
| 1988 | +12.0% |
| 1992 | +8.3% |
| 1996 | +9.5% |
| 2000 | −2.6% |
| 2004 | −0.6% |
| 2008 | +9.4% |
| 2012 | +9.4% |
| 2016 | −8.2% |
| 2020 | −7.7% |
| 2024 | −15.5% |
DemocraticRepublican
voter registration
Registered voters
By party of registration, over time
DemocraticRepublicanUnaffiliatedOther parties
| Year | Total registered | Democratic | Republican | Unaffiliated | Other |
|---|---|---|---|---|---|
| 2008 | 27,559 | 8,824 | 8,323 | 10,409 | 3 |
| 2010 | 27,412 | 8,494 | 8,646 | 10,265 | 7 |
| 2012 | 27,744 | 8,537 | 8,560 | 10,634 | 13 |
| 2014 | 26,175 | 7,840 | 8,046 | 10,255 | 34 |
| 2016 | 26,114 | 7,947 | 8,171 | 9,912 | 84 |
| 2018 | 24,824 | 7,634 | 7,629 | 9,381 | 180 |
| 2020 | 25,171 | 8,428 | 8,272 | 8,282 | 189 |
| 2022 | 24,693 | 7,829 | 8,366 | 8,300 | 198 |
| 2024 | 24,729 | 7,247 | 8,453 | 8,810 | 219 |
Source: Iowa Secretary of State
Marshall County's population centers on Marshalltown, a meatpacking hub with one of Iowa's largest Latino immigrant communities, yet the county has moved roughly 20 points toward Republicans over the past two presidential cycles.
Across the recorded series it reached a Democratic high of 21.6 points in 1964 and a Republican high of 60.7 points in 1920. Between 2020 and 2024 the county moved 7.8 points toward the Republican candidate; the 2024 margin was 15.5 points.
A population of 40,114, a 66% non-Hispanic-white share, and a median household income of $73,315 describe the county. The county's voting pattern over the last decade is most similar to that of Poweshiek County and Conejos County.
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All citations released under CC BY 4.0. Attribution: Akashic Intelligence.
Marshall County, Iowa. Akashic. https://akashic.app/county/19127/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0
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Frequently asked questions
How did Marshall County, Iowa vote in 2024?
In 2024, Marshall County, Iowa voted Republican by 15.5 points (R+15.5), carried by the Republican candidate. Out of 17,270 votes cast, 7,134 went Democratic and 9,815 went Republican.
When did Marshall County, Iowa last vote Democratic?
The most recent presidential election in which Marshall County, Iowa voted Democratic was 2012.
How many people live in Marshall County, Iowa?
Marshall County, Iowa has a population of 40,114 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Marshall County, Iowa?
Median household income in Marshall County, Iowa is $73,315 — below the national median of $80,734. The Iowa state median is $75,059.
What is the political history of Marshall County, Iowa?
Akashic tracks 38 presidential elections in Marshall County, Iowa from 1876 to 2024. Of those, 6 went Democratic and 27 went Republican.