Story County, Iowa
AkashicStory County, IAHarrisD+10.3
2024 precinct map of Story CountyPrecinct-level 2024 presidential results for Story 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
| Kamala Harris ✓Democratic | 54.0% | 26,765 |
|---|---|---|
| Donald TrumpRepublican | 43.7% | 21,665 |
| Robert F Kennedy Jr.We The People | 0.7% | 354 |
Harris +50Trump +50
45 precincts · 49,526 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 |
|---|---|---|---|---|---|---|
| D | 54.0%Harris26,765 | 43.7%Trump21,665 | 0.7%Kennedy354 | 49,526 | ||
| D | 57.2%Biden29,175 | 39.9%Trump20,340 | 1.8%Jorgensen924 | 51,038 | ||
| D | 50.4%Clinton25,709 | 38.2%Trump19,458 | 5.9%Johnson3,014 | 50,974 | ||
| D | 55.6%Obama26,192 | 41.7%Romney19,668 | 1.5%Gray727 | 47,150 | ||
| D | 57.0%Obama26,548 | 40.8%McCain18,995 | 2.2%Nader1,032 | 46,575 | ||
| D | 52.2%Kerry23,296 | 46.6%Bush20,819 | 1.2%Other537 | 44,652 | ||
| D | 49.4%Gore17,478 | 45.9%Bush16,228 | 3.7%Nader1,317 | 35,364 | ||
| D | 52.7%Clinton17,234 | 38.1%Dole12,468 | 6.4%Perot2,091 | 32,695 | ||
| D | 47.1%Clinton17,118 | 35.0%Bush12,702 | 17.3%Perot6,275 | 36,311 | ||
| D | 57.5%Dukakis19,051 | 41.6%Bush13,782 | 0.8%Larouche272 | 33,105 | ||
| R | 47.6%Mondale18,277 | 51.6%Reagan19,804 | 0.9%Larouche329 | 38,410 | ||
| R | 36.2%Carter13,529 | 42.4%Reagan15,829 | 21.4%Anderson8,013 | 37,371 | ||
| R | 44.3%Carter15,717 | 51.8%Ford18,394 | 3.8%McCarthy1,365 | 35,476 | ||
| R | 45.0%McGovern13,972 | 53.6%Nixon16,617 | 1.4%Schmitz436 | 31,025 | ||
| R | 39.9%Humphrey9,456 | 56.3%Nixon13,327 | 3.8%Wallace892 | 23,675 | ||
| D | 59.8%Johnson12,329 | 39.7%Goldwater8,188 | 0.5%Hass93 | 20,610 | ||
| R | 34.7%Kennedy7,281 | 65.3%Nixon13,708 | 0.1%Byrd15 | 21,004 | ||
| R | 32.3%Stevenson6,352 | 67.5%Eisenhower13,264 | 0.1%Andrews24 | 19,640 | ||
| R | 27.5%Stevenson5,299 | 71.8%Eisenhower13,857 | 0.7%Hallinan140 | 19,296 | ||
| R | 40.3%Truman6,152 | 54.5%Dewey8,307 | 5.2%Thurmond792 | 15,251 | ||
| R | 47.4%Roosevelt6,554 | 51.8%Dewey7,163 | 0.7%Thomas101 | 13,818 | ||
| R | 47.5%Roosevelt7,152 | 52.1%Willkie7,853 | 0.4%Thomas65 | 15,070 | ||
| D | 51.0%Roosevelt6,933 | 46.8%Landon6,358 | 2.2%Lemke297 | 13,588 | ||
| R | 43.4%Roosevelt5,638 | 51.8%Hoover6,735 | 4.8%Thomas619 | 12,992 | ||
| R | 22.7%Smith2,714 | 75.7%Hoover9,035 | 1.5%Thomas183 | 11,932 | ||
| R | 11.9%Davis1,310 | 63.1%Coolidge6,916 | 25.0%La Follette2,742 | 10,968 | ||
| R | 17.7%Cox1,909 | 80.8%Harding8,713 | 1.5%Debs162 | 10,784 | ||
| R | 31.5%Wilson1,772 | 66.2%Hughes3,722 | 2.3%Benson130 | 5,624 | ||
| O | 23.4%Wilson1,224 | 23.8%Taft1,247 | 52.8%Roosevelt2,763 | 5,234 | ||
| R | 22.4%Bryan1,195 | 71.1%Taft3,790 | 6.5%Debs349 | 5,334 | ||
| R | 15.1%Parker752 | 78.7%Roosevelt3,919 | 6.1%Debs306 | 4,977 | ||
| R | 24.0%Bryan1,343 | 71.9%McKinley4,032 | 4.1%Woolley232 | 5,607 | ||
| R | 30.1%Bryan1,589 | 68.7%McKinley3,630 | 1.2%Palmer63 | 5,282 | ||
| R | 30.5%Cleveland1,321 | 64.5%Harrison2,797 | 5.0%Weaver218 | 4,336 | ||
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presidential history
Presidential margin, 1892–2024
Democratic minus Republican, by election
| Year | Margin (D minus R) |
|---|---|
| 1892 | −34.0% |
| 1896 | −38.6% |
| 1900 | −48.0% |
| 1904 | −63.6% |
| 1908 | −48.7% |
| 1912 | −0.4% |
| 1916 | −34.7% |
| 1920 | −63.1% |
| 1924 | −51.1% |
| 1928 | −53.0% |
| 1932 | −8.4% |
| 1936 | +4.2% |
| 1940 | −4.7% |
| 1944 | −4.4% |
| 1948 | −14.1% |
| 1952 | −44.4% |
| 1956 | −35.2% |
| 1960 | −30.6% |
| 1964 | +20.1% |
| 1968 | −16.4% |
| 1972 | −8.5% |
| 1976 | −7.5% |
| 1980 | −6.2% |
| 1984 | −4.0% |
| 1988 | +15.9% |
| 1992 | +12.2% |
| 1996 | +14.6% |
| 2000 | +3.5% |
| 2004 | +5.5% |
| 2008 | +16.2% |
| 2012 | +13.8% |
| 2016 | +12.3% |
| 2020 | +17.3% |
| 2024 | +10.3% |
DemocraticRepublican
voter registration
Registered voters
By party of registration, over time
DemocraticRepublicanUnaffiliatedOther parties
| Year | Total registered | Democratic | Republican | Unaffiliated | Other |
|---|---|---|---|---|---|
| 2008 | 72,066 | 23,452 | 18,863 | 29,602 | 149 |
| 2010 | 64,163 | 20,518 | 17,730 | 25,734 | 181 |
| 2012 | 67,971 | 21,437 | 18,827 | 27,442 | 265 |
| 2014 | 64,973 | 19,351 | 18,226 | 26,972 | 424 |
| 2016 | 69,043 | 22,288 | 20,086 | 25,913 | 756 |
| 2018 | 69,545 | 22,722 | 19,200 | 26,649 | 974 |
| 2020 | 72,164 | 26,670 | 19,555 | 24,948 | 991 |
| 2022 | 70,373 | 25,203 | 18,954 | 25,236 | 980 |
| 2024 | 69,867 | 23,231 | 19,369 | 26,334 | 933 |
Source: Iowa Secretary of State
Story County's Democratic lean in an otherwise Republican-trending state traces directly to Ames and Iowa State University, where students and faculty form a durable left-of-center voting bloc that has held margins in double digits across recent cycles.
Across the recorded series it reached a Democratic high of 20.1 points in 1964 and a Republican high of 63.6 points in 1904. Between 2020 and 2024 the county moved 7.0 points toward the Republican candidate; the 2024 margin was 10.3 points.
A population of 100,466, a 81% non-Hispanic-white share, and a median household income of $69,685 describe the county. The county's voting pattern over the last decade is most similar to that of Polk County and Presidio County.
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All citations released under CC BY 4.0. Attribution: Akashic Intelligence.
Story County, Iowa. Akashic. https://akashic.app/county/19169/. Accessed May 20, 2026. License: CC BY 4.0.
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Frequently asked questions
How did Story County, Iowa vote in 2024?
In 2024, Story County, Iowa voted Democratic by 10.3 points (D+10.3), carried by the Democratic candidate. Out of 49,526 votes cast, 26,765 went Democratic and 21,665 went Republican.
When did Story County, Iowa last vote Republican?
The most recent presidential election in which Story County, Iowa voted Republican was 1984.
How many people live in Story County, Iowa?
Story County, Iowa has a population of 100,466 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Story County, Iowa?
Median household income in Story County, Iowa is $69,685 — below the national median of $80,734. The Iowa state median is $75,059.
What is the political history of Story County, Iowa?
Akashic tracks 38 presidential elections in Story County, Iowa from 1876 to 2024. Of those, 12 went Democratic and 21 went Republican.