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 | 586 | 1,998 | 2,650 | |
| 2020 | R | 603 | 2,089 | 2,737 | |
| 2016 | R | 427 | 1,777 | 2,413 | |
| 2012 | R | 530 | 1,744 | 2,352 | |
| 2008 | R | 611 | 1,694 | 2,352 | |
| 2004 | R | 559 | 1,762 | 2,358 | |
| 2000 | R | 416 | 1,794 | 2,330 | |
| 1996 | R | 635 | 1,249 | 2,316 | |
| 1992 | R | 564 | 829 | 2,164 | |
| 1988 | R | 616 | 1,253 | 1,896 | |
| 1984 | R | 461 | 1,653 | 2,144 | |
| 1980 | R | 398 | 1,398 | 1,902 | |
| 1976 | R | 516 | 850 | 1,409 | |
| 1972 | R | 274 | 989 | 1,432 | |
| 1968 | R | 385 | 711 | 1,423 | |
| 1964 | R | 714 | 720 | 1,434 | |
| 1960 | D | 838 | 651 | 1,489 | |
| 1956 | R | 533 | 811 | 1,344 | |
| 1952 | R | 452 | 1,058 | 1,517 | |
| 1948 | D | 625 | 612 | 1,257 | |
| 1944 | D | 613 | 565 | 1,178 | |
| 1940 | D | 894 | 760 | 1,659 | |
| 1936 | D | 875 | 530 | 1,421 | |
| 1932 | D | 839 | 440 | 1,303 | |
| 1928 | R | 516 | 647 | 1,171 | |
| 1924 | R | 394 | 585 | 1,272 | |
| 1920 | R | 394 | 808 | 1,202 | |
| 1916 | D | 879 | 454 | 1,409 | |
| 1912 | D | 501 | 326 | 1,189 | |
| 1908 | D | 598 | 521 | 1,209 | |
| 1904 | R | 429 | 496 | 967 | |
| 1900 | D | 590 | 262 | 858 | |
| 1896 | D | 599 | 29 | 630 | |
| 1892 | R | 1 | 187 | 513 | |
| 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%.
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: 60.0 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
$67,574
Custer County ranks near the middle of US counties.
Custer County$67,574
Idaho$77,800
United States$80,734
Source · American Community Survey 5-year estimates, 2024 release.
Poverty rate
All persons below federal poverty line
15.8%
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 29.9% of residents not counted as adherents by any reporting body.
Custer County's sparse high-desert and mountain terrain anchors a small, stable electorate that has delivered Republican presidential margins above 50 points in recent cycles, making it among the most one-sided counties in the state.
The Republican margin in Custer County reached its widest at fifty-nine points in 2000. The margin in 2024 was fifty-three points, in line with the county's deep historical pattern.
Custer County's loyalty is rooted in its place. Median household income of $67,574, a 89% non-Hispanic-white share, and a population of 4,470 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 Modoc County and Lemhi County.
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