Dallas County, Iowa
AkashicDallas County, IATrumpR+4.7
2024 precinct map of Dallas CountyPrecinct-level 2024 presidential results for Dallas 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 | 51.4% | 32,374 |
|---|---|---|
| Kamala HarrisDemocratic | 46.7% | 29,402 |
| Robert F Kennedy Jr.We The People | 0.8% | 479 |
Harris +50Trump +50
46 precincts · 62,961 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 | 46.7%Harris29,402 | 51.4%Trump32,374 | 0.8%Kennedy479 | 62,961 | ||
| R | 48.0%Biden26,879 | 50.0%Trump27,987 | 1.3%Jorgensen744 | 56,022 | ||
| R | 40.7%Clinton15,701 | 50.1%Trump19,339 | 4.6%Johnson1,757 | 38,588 | ||
| R | 43.5%Obama16,576 | 55.1%Romney20,988 | 0.7%Gray273 | 38,116 | ||
| R | 46.4%Obama15,149 | 51.9%McCain16,954 | 1.6%Nader537 | 32,640 | ||
| R | 41.5%Kerry10,917 | 57.7%Bush15,183 | 0.7%Other193 | 26,293 | ||
| R | 44.3%Gore8,561 | 53.3%Bush10,306 | 1.7%Nader320 | 19,330 | ||
| D | 50.1%Clinton8,017 | 41.5%Dole6,647 | 7.5%Perot1,198 | 16,010 | ||
| D | 44.1%Clinton6,554 | 37.6%Bush5,587 | 17.9%Perot2,665 | 14,861 | ||
| D | 60.4%Dukakis7,501 | 39.1%Bush4,858 | 0.5%Larouche60 | 12,419 | ||
| D | 51.7%Mondale6,564 | 47.8%Reagan6,080 | 0.5%Larouche63 | 12,707 | ||
| R | 41.0%Carter5,310 | 48.6%Reagan6,296 | 10.5%Anderson1,358 | 12,964 | ||
| D | 54.9%Carter6,722 | 43.3%Ford5,308 | 1.8%McCarthy217 | 12,247 | ||
| R | 44.5%McGovern5,085 | 53.7%Nixon6,143 | 1.8%Schmitz208 | 11,436 | ||
| R | 44.8%Humphrey5,062 | 49.2%Nixon5,549 | 6.0%Wallace676 | 11,287 | ||
| D | 66.1%Johnson7,447 | 33.4%Goldwater3,763 | 0.5%Hass52 | 11,262 | ||
| R | 46.0%Kennedy5,597 | 53.9%Nixon6,566 | 0.1%Byrd13 | 12,176 | ||
| R | 43.9%Stevenson5,185 | 56.1%Eisenhower6,619 | 0.0%Andrews2 | 11,806 | ||
| R | 35.7%Stevenson4,501 | 63.5%Eisenhower8,008 | 0.8%Hallinan101 | 12,610 | ||
| D | 52.3%Truman5,661 | 44.5%Dewey4,810 | 3.2%Thurmond348 | 10,819 | ||
| R | 48.9%Roosevelt5,316 | 49.8%Dewey5,413 | 1.2%Thomas135 | 10,864 | ||
| D | 49.7%Roosevelt6,279 | 49.2%Willkie6,218 | 1.0%Thomas131 | 12,628 | ||
| D | 53.0%Roosevelt6,341 | 45.5%Landon5,442 | 1.6%Lemke190 | 11,973 | ||
| D | 50.8%Roosevelt4,887 | 47.0%Hoover4,516 | 2.2%Thomas208 | 9,611 | ||
| R | 29.7%Smith3,108 | 69.7%Hoover7,294 | 0.6%Thomas58 | 10,460 | ||
| R | 9.1%Davis933 | 62.0%Coolidge6,359 | 28.9%La Follette2,969 | 10,261 | ||
| R | 27.3%Cox2,577 | 70.6%Harding6,677 | 2.1%Debs200 | 9,454 | ||
| R | 45.1%Wilson2,495 | 52.4%Hughes2,900 | 2.6%Benson143 | 5,538 | ||
| R | 32.7%Wilson1,718 | 34.8%Taft1,825 | 32.5%Roosevelt1,706 | 5,249 | ||
| R | 35.8%Bryan1,871 | 59.9%Taft3,132 | 4.2%Debs222 | 5,225 | ||
| R | 23.2%Parker1,159 | 70.0%Roosevelt3,499 | 6.8%Debs341 | 4,999 | ||
| R | 33.6%Bryan1,940 | 62.4%McKinley3,601 | 4.1%Woolley234 | 5,775 | ||
| R | 40.3%Bryan2,316 | 57.9%McKinley3,326 | 1.8%Palmer105 | 5,747 | ||
| R | 34.3%Cleveland1,641 | 56.0%Harrison2,679 | 9.7%Weaver462 | 4,782 | ||
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presidential history
Presidential margin, 1892–2024
Democratic minus Republican, by election
| Year | Margin (D minus R) |
|---|---|
| 1892 | −21.7% |
| 1896 | −17.6% |
| 1900 | −28.8% |
| 1904 | −46.8% |
| 1908 | −24.1% |
| 1912 | −2.0% |
| 1916 | −7.3% |
| 1920 | −43.4% |
| 1924 | −52.9% |
| 1928 | −40.0% |
| 1932 | +3.9% |
| 1936 | +7.5% |
| 1940 | +0.5% |
| 1944 | −0.9% |
| 1948 | +7.9% |
| 1952 | −27.8% |
| 1956 | −12.1% |
| 1960 | −8.0% |
| 1964 | +32.7% |
| 1968 | −4.3% |
| 1972 | −9.3% |
| 1976 | +11.5% |
| 1980 | −7.6% |
| 1984 | +3.8% |
| 1988 | +21.3% |
| 1992 | +6.5% |
| 1996 | +8.6% |
| 2000 | −9.0% |
| 2004 | −16.2% |
| 2008 | −5.5% |
| 2012 | −11.6% |
| 2016 | −9.4% |
| 2020 | −2.0% |
| 2024 | −4.7% |
DemocraticRepublican
voter registration
Registered voters
By party of registration, over time
DemocraticRepublicanUnaffiliatedOther parties
| Year | Total registered | Democratic | Republican | Unaffiliated | Other |
|---|---|---|---|---|---|
| 2008 | 42,156 | 11,583 | 13,977 | 16,582 | 14 |
| 2010 | 45,626 | 11,517 | 15,844 | 18,238 | 27 |
| 2012 | 49,373 | 11,696 | 17,879 | 19,751 | 47 |
| 2014 | 53,006 | 11,704 | 18,748 | 22,420 | 134 |
| 2016 | 57,150 | 13,706 | 21,218 | 21,949 | 277 |
| 2018 | 61,468 | 15,367 | 21,376 | 24,153 | 572 |
| 2020 | 68,331 | 20,371 | 24,011 | 23,323 | 626 |
| 2022 | 72,779 | 20,828 | 24,875 | 26,418 | 658 |
| 2024 | 78,403 | 21,316 | 27,166 | 29,170 | 751 |
Source: Iowa Secretary of State
Rapid population growth west of Des Moines has transformed Dallas County from a deep-red stronghold into one of Iowa's most competitive suburban battlegrounds, with the 2024 presidential margin tightening to R+4.7.
Across the recorded series it reached a Democratic high of 32.7 points in 1964 and a Republican high of 52.9 points in 1924. Between 2020 and 2024 the county moved 2.7 points toward the Republican candidate; the 2024 margin was 4.7 points.
A population of 107,968, a 81% non-Hispanic-white share, and a median household income of $102,379 describe the county. The county's voting pattern over the last decade is most similar to that of Caldwell County and Bastrop County.
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All citations released under CC BY 4.0. Attribution: Akashic Intelligence.
Dallas County, Iowa. Akashic. https://akashic.app/county/19049/. Accessed May 20, 2026. License: CC BY 4.0.
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Frequently asked questions
How did Dallas County, Iowa vote in 2024?
In 2024, Dallas County, Iowa voted Republican by 4.7 points (R+4.7), carried by the Republican candidate. Out of 62,961 votes cast, 29,402 went Democratic and 32,374 went Republican.
When did Dallas County, Iowa last vote Democratic?
The most recent presidential election in which Dallas County, Iowa voted Democratic was 1996.
How many people live in Dallas County, Iowa?
Dallas County, Iowa has a population of 107,968 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Dallas County, Iowa?
Median household income in Dallas County, Iowa is $102,379 — above the national median of $80,734. The Iowa state median is $75,059.
What is the political history of Dallas County, Iowa?
Akashic tracks 38 presidential elections in Dallas County, Iowa from 1876 to 2024. Of those, 10 went Democratic and 24 went Republican.