2024 results by precinct
Precinct
Margin—
Turnout—
Harris +50Trump +50
Hover precincts for detail. Real precinct boundaries forthcoming.
38 presidential elections
| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| 2024 | R | 3,883 | 6,650 | 10,832 | |
| 2020 | R | 4,016 | 6,581 | 10,900 | |
| 2016 | R | 3,301 | 5,659 | 9,623 | |
| 2012 | R | 4,226 | 5,495 | 9,974 | |
| 2008 | R | 4,838 | 5,039 | 10,134 | |
| 2004 | R | 4,237 | 6,003 | 10,431 | |
| 2000 | D | 4,904 | 3,596 | 8,740 | |
| 1996 | R | 3,775 | 3,885 | 8,826 | |
| 1992 | R | 3,404 | 3,430 | 9,372 | |
| 1988 | R | 3,777 | 4,186 | 8,043 | |
| 1984 | R | 2,932 | 5,161 | 8,145 | |
| 1980 | R | 2,698 | 5,355 | 8,747 | |
| 1976 | R | 3,987 | 4,029 | 8,087 | |
| 1972 | R | 3,835 | 4,366 | 8,225 | |
| 1968 | R | 2,733 | 3,977 | 7,092 | |
| 1964 | D | 3,747 | 3,208 | 6,955 | |
| 1960 | R | 3,061 | 4,065 | 7,126 | |
| 1956 | R | 2,987 | 4,063 | 7,050 | |
| 1952 | R | 2,220 | 4,802 | 7,022 | |
| 1948 | D | 2,932 | 2,904 | 5,893 | |
| 1944 | R | 2,359 | 3,313 | 5,672 | |
| 1940 | R | 3,064 | 4,179 | 7,243 | |
| 1936 | D | 4,349 | 2,702 | 7,438 | |
| 1932 | D | 4,930 | 1,693 | 6,730 | |
| 1928 | R | 2,841 | 2,971 | 5,839 | |
| 1924 | R | 693 | 1,504 | 3,781 | |
| 1920 | R | 1,147 | 2,555 | 4,134 | |
| 1916 | R | 1,429 | 1,438 | 2,937 | |
| 1912 | D | 1,289 | 0 | 2,928 | |
| 1908 | R | 1,118 | 1,644 | 2,894 | |
| 1904 | R | 788 | 1,968 | 2,851 | |
| 1900 | R | 1,268 | 1,639 | 2,940 | |
| 1896 | R | 1,330 | 1,423 | 2,769 | |
| 1892 | R | 228 | 1,166 | 2,160 | |
| 1888 | — | — | — | — | |
| 1884 | — | — | — | — | |
| 1880 | — | — | — | — | |
| 1876 | — | — | — | — |
Demographics
Race, ethnicity, and ancestry
Click any group to see the ancestries typically reported within it.
American
100.0%
African American
1.3%
Multiple ancestry combinations reported; no single grouping above 1%.
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. Ancestry is a self-reported, multiple-response item; ancestry percentages do not sum to the parent race percentage.
Age distribution by sex
Median age: 42.5 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.
Median household income
2024 inflation-adjusted dollars
$72,821
Yankton County ranks near the middle of US counties.
Yankton County$72,821
South Dakota$75,081
United States$80,734
Source · American Community Survey 5-year estimates, 2024 release.
Poverty rate
All persons below federal poverty line
11.9%
Children face moderate poverty.
Children under 1818.0%
Working age (18–64)100.0%
Seniors (65+)18.0%
Source · American Community Survey 5-year estimates, 2024 release.
Language at home
Population aged 5 and older
0.0%
speak English only
Source · ACS 5-year estimates, 2024.
Religious adherents
Adherents per capita by tradition
Source · 2020 US Religion Census. Remaining 40.3% of residents not counted as adherents by any reporting body.
Yankton County's largest city, also called Yankton, functions as a regional hub for healthcare and retail, drawing workers from surrounding farm country. The county backed the Republican presidential nominee by 23.5 points in 2020.
The Republican margin in Yankton County reached its widest at forty-three points in 1892. The margin in 2024 was twenty-six points, in line with the county's deep historical pattern.
Yankton County's loyalty is rooted in its place. Median household income of $72,821, a 88% non-Hispanic-white share, and a population of 23,414 together describe a community whose political habits are deeply settled. The county's voting pattern over the last decade is most similar to that of Codington County and Kingsbury County.
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