Jasper County, Iowa
AkashicJasper County, IATrumpR+27.5
2024 precinct map of Jasper CountyPrecinct-level 2024 presidential results for Jasper 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 | 62.9% | 12,701 |
|---|---|---|
| Kamala HarrisDemocratic | 35.4% | 7,141 |
| Robert F Kennedy Jr.We The People | 1.0% | 192 |
Harris +50Trump +50
18 precincts · 20,198 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 | 35.4%Harris7,141 | 62.9%Trump12,701 | 1.0%Kennedy192 | 20,198 | ||
| R | 38.3%Biden7,737 | 59.9%Trump12,084 | 1.0%Jorgensen207 | 20,184 | ||
| R | 37.0%Clinton7,109 | 54.9%Trump10,560 | 3.7%Johnson715 | 19,226 | ||
| D | 52.6%Obama10,257 | 45.5%Romney8,877 | 0.8%Johnson149 | 19,515 | ||
| D | 52.8%Obama10,250 | 45.3%McCain8,794 | 1.9%Nader377 | 19,421 | ||
| D | 52.0%Kerry10,430 | 47.2%Bush9,462 | 0.8%Other170 | 20,062 | ||
| R | 48.8%Gore8,699 | 48.9%Bush8,729 | 1.5%Nader267 | 17,835 | ||
| D | 52.9%Clinton8,776 | 38.7%Dole6,414 | 7.6%Perot1,263 | 16,585 | ||
| D | 45.1%Clinton8,120 | 38.1%Bush6,866 | 16.5%Perot2,972 | 18,012 | ||
| D | 56.8%Dukakis8,940 | 42.6%Bush6,703 | 0.6%Larouche90 | 15,733 | ||
| R | 48.0%Mondale8,023 | 51.4%Reagan8,576 | 0.6%Larouche100 | 16,699 | ||
| R | 42.8%Carter7,258 | 48.8%Reagan8,286 | 8.4%Anderson1,422 | 16,966 | ||
| D | 52.3%Carter8,783 | 46.0%Ford7,728 | 1.6%McCarthy275 | 16,786 | ||
| R | 42.4%McGovern7,007 | 55.3%Nixon9,133 | 2.3%Schmitz373 | 16,513 | ||
| R | 43.0%Humphrey6,556 | 51.8%Nixon7,901 | 5.2%Wallace798 | 15,255 | ||
| D | 65.7%Johnson10,216 | 34.2%Goldwater5,321 | 0.2%Hass24 | 15,561 | ||
| R | 43.7%Kennedy7,242 | 56.3%Nixon9,332 | 0.1%Byrd11 | 16,585 | ||
| R | 43.2%Stevenson7,098 | 56.7%Eisenhower9,310 | 0.1%Andrews20 | 16,428 | ||
| R | 41.0%Stevenson6,756 | 58.4%Eisenhower9,610 | 0.6%Hallinan99 | 16,465 | ||
| D | 52.3%Truman6,684 | 44.7%Dewey5,710 | 3.1%Thurmond392 | 12,786 | ||
| D | 51.8%Roosevelt6,978 | 47.6%Dewey6,413 | 0.7%Thomas88 | 13,479 | ||
| D | 52.7%Roosevelt8,129 | 46.9%Willkie7,240 | 0.3%Thomas52 | 15,421 | ||
| D | 57.8%Roosevelt8,315 | 40.8%Landon5,875 | 1.4%Lemke205 | 14,395 | ||
| D | 54.7%Roosevelt6,781 | 43.5%Hoover5,399 | 1.8%Thomas221 | 12,401 | ||
| R | 29.4%Smith3,857 | 69.8%Hoover9,144 | 0.8%Thomas107 | 13,108 | ||
| R | 10.5%Davis1,214 | 56.8%Coolidge6,565 | 32.7%La Follette3,778 | 11,557 | ||
| R | 30.7%Cox3,390 | 67.2%Harding7,417 | 2.0%Debs222 | 11,029 | ||
| D | 50.0%Wilson3,282 | 47.1%Hughes3,092 | 3.0%Benson194 | 6,568 | ||
| D | 39.2%Wilson2,487 | 27.8%Taft1,766 | 33.0%Roosevelt2,092 | 6,345 | ||
| R | 43.2%Bryan2,889 | 53.0%Taft3,543 | 3.7%Debs249 | 6,681 | ||
| R | 30.6%Parker1,942 | 62.4%Roosevelt3,962 | 7.0%Debs446 | 6,350 | ||
| R | 44.0%Bryan3,163 | 54.1%McKinley3,894 | 1.9%Woolley136 | 7,193 | ||
| D | 51.5%Bryan3,019 | 47.2%McKinley2,768 | 1.3%Palmer76 | 5,863 | ||
| R | 41.1%Cleveland2,556 | 50.9%Harrison3,167 | 7.9%Weaver494 | 6,217 | ||
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presidential history
Presidential margin, 1892–2024
Democratic minus Republican, by election
| Year | Margin (D minus R) |
|---|---|
| 1892 | −9.8% |
| 1896 | +4.3% |
| 1900 | −10.2% |
| 1904 | −31.8% |
| 1908 | −9.8% |
| 1912 | +11.4% |
| 1916 | +2.9% |
| 1920 | −36.5% |
| 1924 | −46.3% |
| 1928 | −40.3% |
| 1932 | +11.1% |
| 1936 | +17.0% |
| 1940 | +5.8% |
| 1944 | +4.2% |
| 1948 | +7.6% |
| 1952 | −17.3% |
| 1956 | −13.5% |
| 1960 | −12.6% |
| 1964 | +31.5% |
| 1968 | −8.8% |
| 1972 | −12.9% |
| 1976 | +6.3% |
| 1980 | −6.1% |
| 1984 | −3.3% |
| 1988 | +14.2% |
| 1992 | +7.0% |
| 1996 | +14.2% |
| 2000 | −0.2% |
| 2004 | +4.8% |
| 2008 | +7.5% |
| 2012 | +7.1% |
| 2016 | −17.9% |
| 2020 | −21.5% |
| 2024 | −27.5% |
DemocraticRepublican
voter registration
Registered voters
By party of registration, over time
DemocraticRepublicanUnaffiliatedOther parties
| Year | Total registered | Democratic | Republican | Unaffiliated | Other |
|---|---|---|---|---|---|
| 2008 | 26,699 | 10,822 | 7,230 | 8,639 | 8 |
| 2010 | 26,806 | 10,323 | 7,892 | 8,581 | 10 |
| 2012 | 26,995 | 9,904 | 7,990 | 9,084 | 17 |
| 2014 | 26,759 | 9,173 | 7,797 | 9,754 | 35 |
| 2016 | 26,275 | 9,019 | 7,798 | 9,386 | 72 |
| 2018 | 25,982 | 8,456 | 7,769 | 9,632 | 125 |
| 2020 | 26,682 | 8,643 | 8,888 | 8,990 | 161 |
| 2022 | 26,729 | 7,945 | 9,327 | 9,281 | 176 |
| 2024 | 26,950 | 7,144 | 10,062 | 9,544 | 200 |
Source: Iowa Secretary of State
Jasper County, once a nationally watched presidential bellwether, has moved decisively rightward over the past decade. Its mix of rural farmland and the small manufacturing city of Newton now produces Republican margins exceeding 27 points.
Across the recorded series it reached a Democratic high of 31.5 points in 1964 and a Republican high of 46.3 points in 1924. Between 2020 and 2024 the county moved 6.0 points toward the Republican candidate; the 2024 margin was 27.5 points.
A population of 37,954, a 91% non-Hispanic-white share, and a median household income of $71,311 describe the county. The county's voting pattern over the last decade is most similar to that of Webster County and Day County.
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All citations released under CC BY 4.0. Attribution: Akashic Intelligence.
Jasper County, Iowa. Akashic. https://akashic.app/county/19099/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0
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Cities & towns in Jasper County
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Frequently asked questions
How did Jasper County, Iowa vote in 2024?
In 2024, Jasper County, Iowa voted Republican by 27.5 points (R+27.5), carried by the Republican candidate. Out of 20,198 votes cast, 7,141 went Democratic and 12,701 went Republican.
When did Jasper County, Iowa last vote Democratic?
The most recent presidential election in which Jasper County, Iowa voted Democratic was 2012.
How many people live in Jasper County, Iowa?
Jasper County, Iowa has a population of 37,954 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Jasper County, Iowa?
Median household income in Jasper County, Iowa is $71,311 — below the national median of $80,734. The Iowa state median is $75,059.
What is the political history of Jasper County, Iowa?
Akashic tracks 38 presidential elections in Jasper County, Iowa from 1876 to 2024. Of those, 16 went Democratic and 18 went Republican.