Buffalo County, South Dakota
AkashicBuffalo County, SDHarrisD+27.3
2024 precinct map of Buffalo CountyPrecinct-level 2024 presidential results for Buffalo 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 | 62.4% | 291 |
|---|---|---|
| Donald TrumpRepublican | 35.2% | 164 |
| Robert F KennedyIndependent | 1.9% | 9 |
Harris +50Trump +50
3 precincts · 466 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 | 62.4%Harris291 | 35.2%Trump164 | 1.9%Kennedy9 | 466 | ||
| D | 64.1%Biden352 | 33.3%Trump183 | 2.6%Jorgensen14 | 549 | ||
| D | 60.4%Clinton296 | 34.9%Trump171 | 3.7%Johnson18 | 490 | ||
| D | 73.6%Obama472 | 25.9%Romney166 | 0.5%Johnson3 | 641 | ||
| D | 73.3%Obama454 | 25.2%McCain156 | 1.5%Nader9 | 619 | ||
| D | 71.7%Kerry603 | 26.5%Bush223 | 1.8%Nader15 | 841 | ||
| D | 62.7%Gore256 | 34.3%Bush140 | 2.9% | 408 | ||
| D | 72.7%Clinton465 | 20.9%Dole134 | 5.5%Perot35 | 640 | ||
| D | 56.9%Clinton282 | 27.6%Bush137 | 14.5%Perot72 | 496 | ||
| D | 68.2%Dukakis334 | 30.8%Bush151 | 1.0%Paul5 | 490 | ||
| R | 47.8%Mondale236 | 51.2%Reagan253 | 1.0%Serrette5 | 494 | ||
| R | 32.2%Carter147 | 59.6%Reagan272 | 8.1%Anderson37 | 456 | ||
| D | 55.3%Carter240 | 44.7%Ford194 | 0.0% | 434 | ||
| D | 55.3%McGovern275 | 44.5%Nixon221 | 0.2%Schmitz1 | 497 | ||
| D | 47.8%Humphrey265 | 47.1%Nixon261 | 5.1%Wallace28 | 554 | ||
| D | 64.3%Johnson501 | 35.7%Goldwater278 | 0.0% | 779 | ||
| D | 53.2%Kennedy334 | 46.8%Nixon294 | 0.0% | 628 | ||
| D | 50.3%Stevenson318 | 49.7%Eisenhower314 | 0.0% | 632 | ||
| R | 38.5%Stevenson259 | 61.5%Eisenhower413 | 0.0% | 672 | ||
| D | 51.2%Truman334 | 48.0%Dewey313 | 0.8%Thurmond5 | 652 | ||
| R | 43.6%Roosevelt250 | 56.4%Dewey324 | 0.0% | 574 | ||
| R | 44.6%Roosevelt395 | 55.4%Willkie491 | 0.0% | 886 | ||
| D | 51.6%Roosevelt410 | 46.3%Landon368 | 2.1%Lemke17 | 795 | ||
| D | 69.6%Roosevelt634 | 29.6%Hoover270 | 0.8%Thomas7 | 911 | ||
| R | 48.7%Smith387 | 51.0%Hoover405 | 0.3%Thomas2 | 794 | ||
| R | 30.2%Davis225 | 41.5%Coolidge309 | 28.2%La Follette210 | 744 | ||
| R | 30.1%Cox101 | 59.7%Harding200 | 10.1%Debs34 | 335 | ||
| D | 68.7%Wilson182 | 30.2%Hughes80 | 1.1%Benson3 | 265 | ||
| D | 53.8%Wilson105 | 0.0%Taft0 | 46.2%Roosevelt90 | 195 | ||
| R | 38.8%Bryan69 | 59.0%Taft105 | 2.2%Debs4 | 178 | ||
| R | 22.1%Parker43 | 60.5%Roosevelt118 | 17.4%Debs34 | 195 | ||
| D | 53.2%Bryan100 | 46.3%McKinley87 | 0.5%Woolley1 | 188 | ||
| D | 53.7%Bryan79 | 46.3%McKinley68 | 0.0% | 147 | ||
| R | 8.4%Cleveland13 | 50.6%Harrison78 | 40.9%Weaver63 | 154 | ||
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presidential history
Presidential margin, 1892–2024
Democratic minus Republican, by election
| Year | Margin (D minus R) |
|---|---|
| 1892 | −42.2% |
| 1896 | +7.5% |
| 1900 | +6.9% |
| 1904 | −38.5% |
| 1908 | −20.2% |
| 1912 | +53.8% |
| 1916 | +38.5% |
| 1920 | −29.6% |
| 1924 | −11.3% |
| 1928 | −2.3% |
| 1932 | +40.0% |
| 1936 | +5.3% |
| 1940 | −10.8% |
| 1944 | −12.9% |
| 1948 | +3.2% |
| 1952 | −22.9% |
| 1956 | +0.6% |
| 1960 | +6.4% |
| 1964 | +28.6% |
| 1968 | +0.7% |
| 1972 | +10.9% |
| 1976 | +10.6% |
| 1980 | −27.4% |
| 1984 | −3.4% |
| 1988 | +37.3% |
| 1992 | +29.2% |
| 1996 | +51.7% |
| 2000 | +28.4% |
| 2004 | +45.2% |
| 2008 | +48.1% |
| 2012 | +47.7% |
| 2016 | +25.5% |
| 2020 | +30.8% |
| 2024 | +27.3% |
DemocraticRepublican
Buffalo County's electorate is shaped by the Crow Creek Sioux Reservation, which covers most of its land area and drives the county's consistent and substantial Democratic margins in statewide and federal contests.
Across the recorded series it reached a Democratic high of 53.8 points in 1912 and a Republican high of 42.2 points in 1892. Between 2020 and 2024 the county moved 3.5 points toward the Republican candidate; the 2024 margin was 27.3 points.
A population of 1,808, a 18% non-Hispanic-white share, and a median household income of $47,045 describe the county. The county's voting pattern over the last decade is most similar to that of Bayfield County and Rolette County.
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Compare two places, side by side
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All citations released under CC BY 4.0. Attribution: Akashic Intelligence.
Buffalo County, South Dakota. Akashic. https://akashic.app/county/46017/. Accessed May 20, 2026. License: CC BY 4.0.
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Frequently asked questions
How did Buffalo County, South Dakota vote in 2024?
In 2024, Buffalo County, South Dakota voted Democratic by 27.3 points (D+27.3), carried by the Democratic candidate. Out of 466 votes cast, 291 went Democratic and 164 went Republican.
When did Buffalo County, South Dakota last vote Republican?
The most recent presidential election in which Buffalo County, South Dakota voted Republican was 1984.
How many people live in Buffalo County, South Dakota?
Buffalo County, South Dakota has a population of 1,808 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Buffalo County, South Dakota?
Median household income in Buffalo County, South Dakota is $47,045 — below the national median of $80,734. The South Dakota state median is $75,081.
What is the political history of Buffalo County, South Dakota?
Akashic tracks 38 presidential elections in Buffalo County, South Dakota from 1876 to 2024. Of those, 23 went Democratic and 11 went Republican.