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 | 1,385 | 4,208 | 5,797 | |
| 2020 | R | 1,514 | 4,205 | 5,860 | |
| 2016 | R | 1,176 | 3,657 | 5,185 | |
| 2012 | R | 1,833 | 3,373 | 5,365 | |
| 2008 | R | 2,267 | 3,047 | 5,452 | |
| 2004 | R | 1,630 | 3,297 | 5,048 | |
| 2000 | R | 1,501 | 3,156 | 4,905 | |
| 1996 | R | 2,115 | 2,467 | 5,329 | |
| 1992 | R | 1,968 | 2,105 | 5,611 | |
| 1988 | R | 2,343 | 3,007 | 5,462 | |
| 1984 | R | 1,982 | 3,879 | 5,919 | |
| 1980 | R | 1,822 | 3,533 | 5,816 | |
| 1976 | R | 2,425 | 3,120 | 5,647 | |
| 1972 | R | 1,875 | 3,486 | 5,506 | |
| 1968 | R | 1,760 | 2,831 | 4,876 | |
| 1964 | D | 2,790 | 2,302 | 5,101 | |
| 1960 | R | 2,393 | 2,943 | 5,351 | |
| 1956 | R | 2,317 | 3,240 | 5,557 | |
| 1952 | R | 2,050 | 3,461 | 5,535 | |
| 1948 | D | 2,359 | 1,845 | 4,263 | |
| 1944 | D | 2,038 | 1,830 | 3,897 | |
| 1940 | D | 2,782 | 2,017 | 4,834 | |
| 1936 | D | 3,196 | 1,381 | 4,713 | |
| 1932 | D | 2,729 | 1,675 | 4,528 | |
| 1928 | R | 1,386 | 2,503 | 3,906 | |
| 1924 | R | 412 | 1,654 | 3,778 | |
| 1920 | R | 1,127 | 2,347 | 3,637 | |
| 1916 | D | 2,602 | 1,615 | 4,359 | |
| 1912 | D | 1,068 | 695 | 3,203 | |
| 1908 | R | 531 | 967 | 1,594 | |
| 1904 | R | 285 | 824 | 1,141 | |
| 1900 | R | 477 | 980 | 1,464 | |
| 1896 | R | 676 | 723 | 1,404 | |
| 1892 | R | 537 | 680 | 1,291 | |
| 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: 42.7 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
$70,605
Custer County ranks near the middle of US counties.
Custer County$70,605
Montana$72,509
United States$80,734
Source · American Community Survey 5-year estimates, 2024 release.
Poverty rate
All persons below federal poverty line
11.3%
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 60.3% of residents not counted as adherents by any reporting body.
Custer County's economy runs on cattle, agriculture, and the regional services that Miles City provides to a sprawling rural hinterland. Presidential margins here have exceeded 40 points Republican in each of the last several cycles.
The Republican margin in Custer County reached its widest at forty-nine points in 2024. The margin in 2024 was forty-nine points, in line with the county's deep historical pattern.
Custer County's loyalty is rooted in its place. Median household income of $70,605, a 90% non-Hispanic-white share, and a population of 11,961 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 Stutsman County and Roseau County.
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