2024 results by precinct
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Margin—
Turnout—
Harris +50Trump +50
Real precinct boundaries. Hover for vote totals.
38 presidential elections
| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| 2024 | R | 422 | 993 | 1,447 | |
| 2020 | R | 525 | 1,042 | 1,597 | |
| 2016 | R | 369 | 977 | 1,421 | |
| 2012 | R | 605 | 933 | 1,569 | |
| 2008 | R | 710 | 894 | 1,641 | |
| 2004 | R | 872 | 1,029 | 1,940 | |
| 2000 | D | 875 | 482 | 1,386 | |
| 1996 | R | 646 | 726 | 1,523 | |
| 1992 | R | 486 | 669 | 1,480 | |
| 1988 | R | 631 | 843 | 1,480 | |
| 1984 | R | 478 | 1,120 | 1,605 | |
| 1980 | R | 486 | 1,256 | 1,878 | |
| 1976 | R | 831 | 892 | 1,739 | |
| 1972 | R | 774 | 1,166 | 1,944 | |
| 1968 | R | 643 | 1,063 | 1,837 | |
| 1964 | D | 1,057 | 862 | 1,919 | |
| 1960 | R | 852 | 1,166 | 2,018 | |
| 1956 | R | 873 | 1,151 | 2,024 | |
| 1952 | R | 666 | 1,561 | 2,227 | |
| 1948 | R | 904 | 993 | 1,912 | |
| 1944 | R | 630 | 867 | 1,497 | |
| 1940 | R | 1,105 | 1,409 | 2,514 | |
| 1936 | D | 1,321 | 1,090 | 2,440 | |
| 1932 | D | 1,879 | 811 | 2,730 | |
| 1928 | R | 1,222 | 1,488 | 2,718 | |
| 1924 | R | 387 | 1,061 | 2,395 | |
| 1920 | R | 463 | 1,050 | 1,761 | |
| 1916 | R | 981 | 1,052 | 2,149 | |
| 1912 | D | 766 | 0 | 1,925 | |
| 1908 | R | 1,183 | 1,524 | 2,869 | |
| 1904 | R | 306 | 986 | 1,341 | |
| 1900 | R | 210 | 429 | 644 | |
| 1896 | R | 121 | 181 | 304 | |
| 1892 | — | — | — | — | |
| 1888 | — | — | — | — | |
| 1884 | — | — | — | — | |
| 1880 | — | — | — | — | |
| 1876 | — | — | — | — |
Demographics
Race, ethnicity, and ancestry
Click any group to see the ancestries typically reported within it.
American
100.0%
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.
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: 36.1 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
$67,143
Lyman County ranks near the middle of US counties.
Lyman County$67,143
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
23.7%
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 0.0% of residents not counted as adherents by any reporting body.
Lyman County's roughly 3,900 residents are spread across more than 1,600 square miles of high plains and river breaks, and it has delivered Republican presidential margins above 35 points in each of the last several cycles.
The Republican margin in Lyman County reached its widest at fifty-one points in 1904. The margin in 2024 was thirty-nine points, in line with the county's deep historical pattern.
Lyman County's loyalty is rooted in its place. Median household income of $67,143, a 58% non-Hispanic-white share, and a population of 3,724 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 Turner County and Walworth County.
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