Jackson County, South Dakota: Evangelical Deep South county. In 2024, voted R+35%. Republican peak: R+46 in 1920.
Key facts
- 2024 presidential margin
- R+35MIT Election Lab
- Political typology
- Evangelical Deep SouthAkashic typology
- Population
- 2,8022024 5-year
- Median household income
- $35,4172024 5-year
- White (non-Hispanic)
- 36.6%2024 5-year
- Black
- 0.0%2024 5-year
- Hispanic / Latino
- 0.4%2024 5-year
- Peak Democratic margin
- D+38 in 1932MIT Election Lab
- Peak Republican margin
- R+46 in 1920MIT Election Lab
- Most similar
- Campbell County, SD · similarity 0.99
2024 results by precinct
2024 precinct map of Jackson CountyPrecinct-level 2024 presidential results for Jackson County, with each precinct boundary colored by Democratic-vs-Republican margin.
—
Margin—
Turnout—
Harris +50Trump +50
Real precinct boundaries. Hover for vote totals.
presidential history
Presidential margin, 1876–2024
Democratic minus Republican, by election
| Year | Margin (D minus R) |
|---|---|
| 1876 | No data |
| 1880 | No data |
| 1884 | No data |
| 1888 | No data |
| 1892 | No data |
| 1896 | No data |
| 1900 | No data |
| 1904 | No data |
| 1908 | No data |
| 1912 | No data |
| 1916 | +0.7% |
| 1920 | −46.1% |
| 1924 | −35.5% |
| 1928 | −17.5% |
| 1932 | +37.6% |
| 1936 | +11.2% |
| 1940 | −9.5% |
| 1944 | −14.3% |
| 1948 | −6.8% |
| 1952 | −39.6% |
| 1956 | −12.0% |
| 1960 | −18.5% |
| 1964 | +11.4% |
| 1968 | −18.1% |
| 1972 | −27.2% |
| 1976 | −12.4% |
| 1980 | −42.5% |
| 1984 | −42.2% |
| 1988 | −19.4% |
| 1992 | −23.6% |
| 1996 | −19.1% |
| 2000 | +35.4% |
| 2004 | −17.2% |
| 2008 | −20.6% |
| 2012 | −21.2% |
| 2016 | −36.4% |
| 2020 | −34.0% |
| 2024 | −35.1% |
DemocraticRepublican
38 presidential elections
| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| R | 357 | 753 | 1,129 | ||
| R | 359 | 738 | 1,115 | ||
| R | 323 | 722 | 1,095 | ||
| R | 426 | 661 | 1,106 | ||
| R | 435 | 668 | 1,133 | ||
| R | 508 | 726 | 1,271 | ||
| D | 687 | 319 | 1,040 | ||
| R | 423 | 646 | 1,169 | ||
| R | 351 | 627 | 1,168 | ||
| R | 450 | 671 | 1,141 | ||
| R | 365 | 903 | 1,275 | ||
| R | 354 | 929 | 1,352 | ||
| R | 589 | 761 | 1,391 | ||
| R | 472 | 826 | 1,302 | ||
| R | 470 | 704 | 1,294 | ||
| D | 828 | 659 | 1,487 | ||
| R | 579 | 841 | 1,420 | ||
| R | 593 | 755 | 1,348 | ||
| R | 401 | 926 | 1,327 | ||
| R | 544 | 624 | 1,185 | ||
| R | 359 | 479 | 838 | ||
| R | 809 | 978 | 1,787 | ||
| D | 906 | 719 | 1,665 | ||
| D | 1,424 | 633 | 2,105 | ||
| R | 699 | 998 | 1,704 | ||
| R | 315 | 829 | 1,449 | ||
| R | 206 | 595 | 843 | ||
| D | 283 | 279 | 573 | ||
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Demographics
2024 ACS
Race, ethnicity, and ancestry
Click any group to see the ancestries typically reported within it.
German
14.4%
Irish
8.9%
English
4.8%
French
4.5%
Scottish
1.0%
American
0.7%
Sample size too small to break out by ancestry reliably.
Multiple ancestry combinations reported; no single grouping above 1%.
Sample size too small to break out by ancestry reliably.
Sample size too small to break out by ancestry reliably.
American Indian, Alaska Native, Native Hawaiian, and Pacific Islander combined.
Source · American Community Survey 5-year estimates, 2024 release. Hispanic/Latino is an ethnicity that overlaps the race categories, so these shares can total more than 100%. Ancestry is a self-reported, multiple-response item; ancestry percentages do not sum to the parent race percentage.
2024 ACS
Age distribution by sex
Median age: 34.3 in this county, 39.1 nationally
Male
Age
Female
85+
75–84
65–74
55–64
45–54
35–44
25–34
18–24
5–17
<5
Source · American Community Survey 5-year estimates, 2024 release.
2024 ACS
Median household income
Inflation-adjusted dollars
$35,417
Jackson County ranks in the bottom 5% of US counties.
Jackson County$35,417
South Dakota$75,081
United States$80,734
Jackson County ranks in the bottom 5% of US counties by median household income.
Source · American Community Survey 5-year estimates, 2024 release.
2024 ACS
Poverty rate
All persons below federal poverty line
42.4%
Children face higher poverty than working-age adults.
Children under 1839.6%
Working age (18–64)42.7%
Seniors (65+)54.4%
Source · American Community Survey 5-year estimates, 2024 release.
2024 ACS
Language at home
Population aged 5 and older
95.0%
speak English only
Other languages5.0%
Source · ACS 5-year estimates, 2024.
2020 religion census
Religious adherents
Adherents per capita by tradition
Source · 2020 US Religion Census. Remaining 75.4% of residents not counted as adherents by any reporting body.
Jackson County's roughly 3,000 residents are spread across nearly 3,000 square miles of western South Dakota rangeland, and the county has backed Republican presidential nominees by double-digit margins in every cycle for decades.
The Republican margin here reached its widest at forty-six points in 1920. Between 2020 and 2024 the county moved one point toward the Republican candidate; the 2024 margin was thirty-five points.
A median household income of $35,417, a 42% poverty rate, and a 37% non-Hispanic-white share describe the county. The county's voting pattern over the last decade is most similar to that of Campbell County and McPherson County.
Most similar counties
Compare two places, side by side
Twelve curated comparisons line up election history, demographics, and the divergence story for two places at a glance. Browse all comparisons →
Cite this page
All citations released under CC BY 4.0. Attribution: Akashic Intelligence.
Jackson County, South Dakota. Akashic. https://akashic.app/county/46071/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0
More in South Dakota
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Frequently asked questions
How did Jackson County, South Dakota vote in 2024?
In 2024, Jackson County, South Dakota voted Republican by 35.1 points (R+35), carried by the Republican candidate. Out of 1,129 votes cast, 357 went Democratic and 753 went Republican.
What is Jackson County, South Dakota's political typology?
Akashic places Jackson County, South Dakota in the "Evangelical Deep South" typology — Deeply Republican, heavily Baptist counties of the Deep South. The typology is a data-driven cluster built from vote share, vote swing, race and ethnicity, income, language spoken at home, religion, and ancestry. Across 38 elections in the dataset, the county has voted Democratic 5 times, Republican 23 times, and other 0 times.
When did Jackson County, South Dakota last vote Democratic?
The most recent presidential election in which Jackson County, South Dakota voted Democratic was 2000.
How many people live in Jackson County, South Dakota?
Jackson County, South Dakota has a population of 2,802 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Jackson County, South Dakota?
Median household income in Jackson County, South Dakota is $35,417 — below the national median of $80,734. The South Dakota state median is $75,081.
What is the political history of Jackson County, South Dakota?
Akashic tracks 38 presidential elections in Jackson County, South Dakota from 1876 to 2024. Of those, 5 went Democratic and 23 went Republican. The county's typology — "Evangelical Deep South" — captures where that record, its demographics, and its recent swing place it among American communities.