Buchanan County, Iowa
AkashicBuchanan County, IATrumpR+28.1
2024 precinct map of Buchanan CountyPrecinct-level 2024 presidential results for Buchanan 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 | 63.2% | 6,790 |
|---|---|---|
| Kamala HarrisDemocratic | 35.0% | 3,766 |
| Robert F Kennedy Jr.We The People | 1.0% | 104 |
Harris +50Trump +50
14 precincts · 10,750 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 | 35.0%Harris3,766 | 63.2%Trump6,790 | 1.0%Kennedy104 | 10,750 | ||
| R | 38.7%Biden4,169 | 59.6%Trump6,420 | 0.9%Jorgensen96 | 10,774 | ||
| R | 38.3%Clinton3,970 | 53.1%Trump5,510 | 4.6%Johnson478 | 10,377 | ||
| D | 56.1%Obama5,911 | 42.2%Romney4,450 | 0.6%Johnson65 | 10,535 | ||
| D | 58.5%Obama6,050 | 40.0%McCain4,139 | 1.4%Nader149 | 10,338 | ||
| D | 53.5%Kerry5,608 | 45.8%Bush4,797 | 0.7%Other70 | 10,475 | ||
| D | 53.6%Gore5,045 | 43.5%Bush4,092 | 1.8%Nader171 | 9,410 | ||
| D | 55.8%Clinton4,997 | 34.0%Dole3,043 | 9.3%Perot836 | 8,951 | ||
| D | 43.2%Clinton4,166 | 34.3%Bush3,313 | 22.0%Perot2,126 | 9,654 | ||
| D | 57.4%Dukakis4,778 | 42.0%Bush3,495 | 0.6%Larouche48 | 8,321 | ||
| R | 45.1%Mondale4,129 | 54.3%Reagan4,965 | 0.6%Larouche58 | 9,152 | ||
| R | 38.3%Carter3,605 | 53.5%Reagan5,041 | 8.2%Anderson776 | 9,422 | ||
| R | 46.2%Carter4,258 | 52.0%Ford4,794 | 1.9%McCarthy171 | 9,223 | ||
| R | 39.9%McGovern3,609 | 58.3%Nixon5,277 | 1.8%Schmitz162 | 9,048 | ||
| R | 42.3%Humphrey3,670 | 52.4%Nixon4,541 | 5.3%Wallace463 | 8,674 | ||
| D | 63.7%Johnson5,621 | 36.1%Goldwater3,187 | 0.2%Hass15 | 8,823 | ||
| R | 45.1%Kennedy4,251 | 54.9%Nixon5,179 | 0.0%Byrd3 | 9,433 | ||
| R | 38.9%Stevenson3,513 | 61.0%Eisenhower5,512 | 0.1%Andrews10 | 9,035 | ||
| R | 31.8%Stevenson3,019 | 67.8%Eisenhower6,431 | 0.4%Hallinan34 | 9,484 | ||
| R | 48.4%Truman4,127 | 50.6%Dewey4,310 | 1.0%Thurmond86 | 8,523 | ||
| R | 45.1%Roosevelt3,841 | 54.7%Dewey4,653 | 0.2%Thomas14 | 8,508 | ||
| R | 45.1%Roosevelt4,649 | 54.6%Willkie5,630 | 0.3%Thomas30 | 10,309 | ||
| D | 50.8%Roosevelt5,025 | 47.8%Landon4,734 | 1.4%Lemke135 | 9,894 | ||
| D | 52.7%Roosevelt5,004 | 46.3%Hoover4,401 | 1.0%Thomas95 | 9,500 | ||
| R | 34.4%Smith3,099 | 65.4%Hoover5,885 | 0.2%Thomas20 | 9,004 | ||
| R | 20.6%Davis1,780 | 63.1%Coolidge5,459 | 16.3%La Follette1,412 | 8,651 | ||
| R | 20.0%Cox1,600 | 79.2%Harding6,334 | 0.8%Debs63 | 7,997 | ||
| R | 37.2%Wilson1,808 | 61.8%Hughes3,000 | 1.0%Benson47 | 4,855 | ||
| D | 39.5%Wilson1,866 | 26.9%Taft1,271 | 33.5%Roosevelt1,582 | 4,719 | ||
| R | 41.3%Bryan1,889 | 55.8%Taft2,552 | 3.0%Debs136 | 4,577 | ||
| R | 33.6%Parker1,545 | 60.9%Roosevelt2,798 | 5.4%Debs249 | 4,592 | ||
| R | 39.5%Bryan2,053 | 57.0%McKinley2,958 | 3.5%Woolley183 | 5,194 | ||
| R | 43.1%Bryan2,233 | 55.3%McKinley2,865 | 1.6%Palmer83 | 5,181 | ||
| R | 45.0%Cleveland2,166 | 51.9%Harrison2,498 | 3.2%Weaver153 | 4,817 | ||
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presidential history
Presidential margin, 1892–2024
Democratic minus Republican, by election
| Year | Margin (D minus R) |
|---|---|
| 1892 | −6.9% |
| 1896 | −12.2% |
| 1900 | −17.4% |
| 1904 | −27.3% |
| 1908 | −14.5% |
| 1912 | +12.6% |
| 1916 | −24.6% |
| 1920 | −59.2% |
| 1924 | −42.5% |
| 1928 | −30.9% |
| 1932 | +6.3% |
| 1936 | +2.9% |
| 1940 | −9.5% |
| 1944 | −9.5% |
| 1948 | −2.1% |
| 1952 | −36.0% |
| 1956 | −22.1% |
| 1960 | −9.8% |
| 1964 | +27.6% |
| 1968 | −10.0% |
| 1972 | −18.4% |
| 1976 | −5.8% |
| 1980 | −15.2% |
| 1984 | −9.1% |
| 1988 | +15.4% |
| 1992 | +8.8% |
| 1996 | +21.8% |
| 2000 | +10.1% |
| 2004 | +7.7% |
| 2008 | +18.5% |
| 2012 | +13.9% |
| 2016 | −14.8% |
| 2020 | −20.9% |
| 2024 | −28.1% |
DemocraticRepublican
voter registration
Registered voters
By party of registration, over time
DemocraticRepublicanUnaffiliatedOther parties
| Year | Total registered | Democratic | Republican | Unaffiliated | Other |
|---|---|---|---|---|---|
| 2008 | 14,692 | 4,791 | 3,272 | 6,625 | 4 |
| 2010 | 14,273 | 4,457 | 3,324 | 6,488 | 4 |
| 2012 | 14,444 | 4,198 | 3,384 | 6,856 | 6 |
| 2014 | 14,202 | 3,964 | 3,264 | 6,958 | 16 |
| 2016 | 14,162 | 3,816 | 3,452 | 6,860 | 34 |
| 2018 | 13,972 | 3,684 | 3,327 | 6,905 | 56 |
| 2020 | 14,227 | 3,978 | 3,985 | 6,202 | 62 |
| 2022 | 14,195 | 3,618 | 4,277 | 6,227 | 73 |
| 2024 | 14,195 | 3,403 | 4,454 | 6,248 | 90 |
Source: Iowa Secretary of State
Buchanan County's population of roughly 21,000 is anchored by Independence, the county seat, and sustained by agriculture and small manufacturing. Its R+28 margin in 2024 reflects a decades-long rural realignment that has outpaced neighboring counties.
Across the recorded series it reached a Democratic high of 27.6 points in 1964 and a Republican high of 59.2 points in 1920. Between 2020 and 2024 the county moved 7.2 points toward the Republican candidate; the 2024 margin was 28.1 points.
A population of 20,694, a 95% non-Hispanic-white share, and a median household income of $78,236 describe the county. The county's voting pattern over the last decade is most similar to that of Worth County and Jackson County.
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All citations released under CC BY 4.0. Attribution: Akashic Intelligence.
Buchanan County, Iowa. Akashic. https://akashic.app/county/19019/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0
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Frequently asked questions
How did Buchanan County, Iowa vote in 2024?
In 2024, Buchanan County, Iowa voted Republican by 28.1 points (R+28.1), carried by the Republican candidate. Out of 10,750 votes cast, 3,766 went Democratic and 6,790 went Republican.
When did Buchanan County, Iowa last vote Democratic?
The most recent presidential election in which Buchanan County, Iowa voted Democratic was 2012.
How many people live in Buchanan County, Iowa?
Buchanan County, Iowa has a population of 20,694 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Buchanan County, Iowa?
Median household income in Buchanan County, Iowa is $78,236 — below the national median of $80,734. The Iowa state median is $75,059.
What is the political history of Buchanan County, Iowa?
Akashic tracks 38 presidential elections in Buchanan County, Iowa from 1876 to 2024. Of those, 11 went Democratic and 23 went Republican.