Pennington County, South Dakota
AkashicPennington County, SDTrumpR+26.4
2024 precinct map of Pennington CountyPrecinct-level 2024 presidential results for Pennington 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 | 61.9% | 35,009 |
|---|---|---|
| Kamala HarrisDemocratic | 35.4% | 20,051 |
| Robert F KennedyIndependent | 1.8% | 1,037 |
Harris +50Trump +50
46 precincts · 56,580 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%Harris20,051 | 61.9%Trump35,009 | 1.8%Kennedy1,037 | 56,580 | ||
| R | 35.8%Biden20,606 | 61.0%Trump35,063 | 3.2%Jorgensen1,849 | 57,518 | ||
| R | 29.5%Clinton14,074 | 62.4%Trump29,804 | 7.0%Johnson3,339 | 47,743 | ||
| R | 34.0%Obama15,125 | 63.5%Romney28,232 | 2.5%Johnson1,107 | 44,464 | ||
| R | 38.5%Obama17,802 | 59.6%McCain27,603 | 1.9%Nader875 | 46,280 | ||
| R | 31.6%Kerry14,213 | 66.7%Bush29,976 | 1.7%Nader779 | 44,968 | ||
| R | 30.4%Gore11,123 | 67.6%Bush24,696 | 2.0% | 36,557 | ||
| R | 36.0%Clinton12,784 | 54.3%Dole19,293 | 8.9%Perot3,149 | 35,516 | ||
| R | 29.5%Clinton11,106 | 47.9%Bush18,052 | 22.2%Perot8,358 | 37,669 | ||
| R | 38.0%Dukakis12,068 | 61.4%Bush19,510 | 0.6%Paul179 | 31,757 | ||
| R | 27.1%Mondale8,224 | 72.2%Reagan21,947 | 0.7%Serrette218 | 30,389 | ||
| R | 25.2%Carter7,121 | 67.3%Reagan18,991 | 7.4%Anderson2,092 | 28,204 | ||
| R | 42.4%Carter10,058 | 56.3%Ford13,352 | 1.2%Macbride289 | 23,699 | ||
| R | 38.5%McGovern8,592 | 61.2%Nixon13,654 | 0.4%Schmitz80 | 22,326 | ||
| R | 40.2%Humphrey7,303 | 53.3%Nixon9,671 | 6.5%Wallace1,174 | 18,148 | ||
| D | 52.5%Johnson9,881 | 47.5%Goldwater8,926 | 0.0% | 18,807 | ||
| R | 39.7%Kennedy7,478 | 60.3%Nixon11,364 | 0.0% | 18,842 | ||
| R | 32.7%Stevenson5,332 | 67.3%Eisenhower10,955 | 0.0% | 16,287 | ||
| R | 28.8%Stevenson4,470 | 71.2%Eisenhower11,029 | 0.0% | 15,499 | ||
| R | 43.2%Truman4,929 | 56.0%Dewey6,392 | 0.8%Thurmond92 | 11,413 | ||
| R | 40.1%Roosevelt3,517 | 59.9%Dewey5,246 | 0.0% | 8,763 | ||
| R | 42.5%Roosevelt4,878 | 57.5%Willkie6,603 | 0.0% | 11,481 | ||
| D | 53.3%Roosevelt5,557 | 42.6%Landon4,442 | 4.1%Lemke429 | 10,428 | ||
| D | 58.3%Roosevelt5,178 | 41.0%Hoover3,638 | 0.7%Thomas59 | 8,875 | ||
| R | 32.7%Smith2,266 | 67.0%Hoover4,645 | 0.4%Thomas25 | 6,936 | ||
| R | 17.0%Davis854 | 63.6%Coolidge3,201 | 19.5%La Follette980 | 5,035 | ||
| R | 30.1%Cox1,205 | 64.2%Harding2,568 | 5.6%Debs225 | 3,998 | ||
| D | 51.6%Wilson1,339 | 42.7%Hughes1,108 | 5.6%Benson146 | 2,593 | ||
| O | 48.2%Wilson1,135 | 0.0%Taft0 | 51.8%Roosevelt1,222 | 2,357 | ||
| R | 39.1%Bryan1,160 | 57.4%Taft1,702 | 3.5%Debs104 | 2,966 | ||
| R | 24.0%Parker392 | 69.0%Roosevelt1,126 | 7.0%Debs114 | 1,632 | ||
| R | 46.2%Bryan784 | 52.9%McKinley898 | 0.9%Woolley15 | 1,697 | ||
| D | 58.2%Bryan1,038 | 41.4%McKinley739 | 0.4%Palmer8 | 1,785 | ||
| R | 7.8%Cleveland147 | 50.7%Harrison959 | 41.6%Weaver787 | 1,893 | ||
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presidential history
Presidential margin, 1892–2024
Democratic minus Republican, by election
| Year | Margin (D minus R) |
|---|---|
| 1892 | −42.9% |
| 1896 | +16.8% |
| 1900 | −6.7% |
| 1904 | −45.0% |
| 1908 | −18.3% |
| 1912 | +48.2% |
| 1916 | +8.9% |
| 1920 | −34.1% |
| 1924 | −46.6% |
| 1928 | −34.3% |
| 1932 | +17.4% |
| 1936 | +10.7% |
| 1940 | −15.0% |
| 1944 | −19.7% |
| 1948 | −12.8% |
| 1952 | −42.3% |
| 1956 | −34.5% |
| 1960 | −20.6% |
| 1964 | +5.1% |
| 1968 | −13.0% |
| 1972 | −22.7% |
| 1976 | −13.9% |
| 1980 | −42.1% |
| 1984 | −45.2% |
| 1988 | −23.4% |
| 1992 | −18.4% |
| 1996 | −18.3% |
| 2000 | −37.1% |
| 2004 | −35.1% |
| 2008 | −21.2% |
| 2012 | −29.5% |
| 2016 | −32.9% |
| 2020 | −25.1% |
| 2024 | −26.4% |
DemocraticRepublican
Home to Rapid City and the gateway to the Black Hills, Pennington County combines a mid-size urban core with expansive rural terrain. Its R+26 presidential margin in 2024 reflects a consistent pattern of Republican dominance across both areas.
Across the recorded series it reached a Democratic high of 48.2 points in 1912 and a Republican high of 46.6 points in 1924. Between 2020 and 2024 the county moved 1.3 points toward the Republican candidate; the 2024 margin was 26.4 points.
A population of 113,512, a 78% non-Hispanic-white share, and a median household income of $74,517 describe the county. The county's voting pattern over the last decade is most similar to that of Hughes County and Malheur County.
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All citations released under CC BY 4.0. Attribution: Akashic Intelligence.
Pennington County, South Dakota. Akashic. https://akashic.app/county/46103/. Accessed May 20, 2026. License: CC BY 4.0.
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Cities & towns in Pennington County
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Frequently asked questions
How did Pennington County, South Dakota vote in 2024?
In 2024, Pennington County, South Dakota voted Republican by 26.4 points (R+26.4), carried by the Republican candidate. Out of 56,580 votes cast, 20,051 went Democratic and 35,009 went Republican.
When did Pennington County, South Dakota last vote Democratic?
The most recent presidential election in which Pennington County, South Dakota voted Democratic was 1964.
How many people live in Pennington County, South Dakota?
Pennington County, South Dakota has a population of 113,512 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Pennington County, South Dakota?
Median household income in Pennington County, South Dakota is $74,517 — below the national median of $80,734. The South Dakota state median is $75,081.
What is the political history of Pennington County, South Dakota?
Akashic tracks 38 presidential elections in Pennington County, South Dakota from 1876 to 2024. Of those, 5 went Democratic and 28 went Republican.