Roosevelt County, Montana: Heartland Swing county. In 2024, voted R+10%. Republican peak: R+47 in 1920.
Key facts
- 2024 presidential margin
- R+10MIT Election Lab
- Political typology
- Heartland SwingAkashic typology
- Population
- 10,5262024 5-year
- Median household income
- $57,0632024 5-year
- White (non-Hispanic)
- 32.6%2024 5-year
- Black
- 0.1%2024 5-year
- Hispanic / Latino
- 2.9%2024 5-year
- Peak Democratic margin
- D+46 in 1936MIT Election Lab
- Peak Republican margin
- R+47 in 1920MIT Election Lab
- Most similar
- Vernon County, WI · similarity 0.99
2024 results by precinct
2024 precinct map of Roosevelt CountyPrecinct-level 2024 presidential results for Roosevelt 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 | No data |
| 1920 | −46.9% |
| 1924 | −23.3% |
| 1928 | −11.3% |
| 1932 | +37.1% |
| 1936 | +45.5% |
| 1940 | +23.0% |
| 1944 | +17.9% |
| 1948 | +21.7% |
| 1952 | −15.3% |
| 1956 | +5.3% |
| 1960 | +8.5% |
| 1964 | +20.9% |
| 1968 | −4.5% |
| 1972 | −21.5% |
| 1976 | +6.1% |
| 1980 | −19.1% |
| 1984 | −10.5% |
| 1988 | +3.1% |
| 1992 | +14.7% |
| 1996 | +22.7% |
| 2000 | +11.9% |
| 2004 | +10.7% |
| 2008 | +26.3% |
| 2012 | +15.6% |
| 2016 | −6.5% |
| 2020 | −2.1% |
| 2024 | −9.6% |
DemocraticRepublican
38 presidential elections
| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| R | 1,680 | 2,055 | 3,914 | ||
| R | 1,910 | 1,996 | 4,017 | ||
| R | 1,560 | 1,797 | 3,652 | ||
| D | 2,086 | 1,514 | 3,672 | ||
| D | 2,564 | 1,473 | 4,150 | ||
| D | 2,195 | 1,762 | 4,028 | ||
| D | 2,059 | 1,605 | 3,813 | ||
| D | 2,118 | 1,209 | 3,997 | ||
| D | 1,827 | 1,212 | 4,193 | ||
| D | 2,083 | 1,957 | 4,118 | ||
| R | 1,962 | 2,431 | 4,464 | ||
| R | 1,504 | 2,298 | 4,160 | ||
| D | 2,061 | 1,822 | 3,928 | ||
| R | 1,464 | 2,304 | 3,907 | ||
| R | 1,771 | 1,947 | 3,885 | ||
| D | 2,463 | 1,612 | 4,078 | ||
| D | 2,227 | 1,876 | 4,132 | ||
| D | 2,205 | 1,985 | 4,190 | ||
| R | 1,466 | 1,998 | 3,483 | ||
| D | 1,820 | 1,142 | 3,128 | ||
| D | 1,848 | 1,281 | 3,168 | ||
| D | 2,418 | 1,503 | 3,982 | ||
| D | 2,923 | 1,052 | 4,109 | ||
| D | 2,263 | 965 | 3,500 | ||
| R | 1,296 | 1,630 | 2,949 | ||
| O | 389 | 965 | 2,468 | ||
| R | 555 | 1,624 | 2,279 | ||
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Demographics
2024 ACS
Race, ethnicity, and ancestry
Click any group to see the ancestries typically reported within it.
German
8.2%
American
5.5%
Irish
3.8%
English
3.7%
Scottish
1.0%
French
0.6%
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. 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: 30.9 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
$57,063
Roosevelt County ranks near the middle of US counties.
Roosevelt County$57,063
Montana$72,509
United States$80,734
Roosevelt County ranks near the middle 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
30.4%
Children face higher poverty than working-age adults.
Children under 1835.5%
Working age (18–64)28.3%
Seniors (65+)21.4%
Source · American Community Survey 5-year estimates, 2024 release.
2024 ACS
Language at home
Population aged 5 and older
98.2%
speak English only
Other languages0.8%
Asian & Pacific Islander0.7%
Spanish0.4%
Source · ACS 5-year estimates, 2024.
2020 religion census
Religious adherents
Adherents per capita by tradition
Source · 2020 US Religion Census. Remaining 58.9% of residents not counted as adherents by any reporting body.
Roosevelt County's Fort Peck Indian Reservation anchors a Native American voting bloc that has historically narrowed Republican margins here, making it an outlier among Montana's rural northeastern counties despite the R+9.6 result in 2024.
The Democratic margin here peaked at forty-six points in 1936. Between 2020 and 2024 the county moved seven points toward the Republican candidate; the 2024 margin was ten points.
A population of 10,526, a 33% non-Hispanic-white share, and a median household income of $57,063 describe the county. The county's voting pattern over the last decade is most similar to that of Vernon County and Crawford 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.
Roosevelt County, Montana. Akashic. https://akashic.app/county/30085/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0
More in Montana
More heartland swing counties
Frequently asked questions
How did Roosevelt County, Montana vote in 2024?
In 2024, Roosevelt County, Montana voted Republican by 9.6 points (R+10), carried by the Republican candidate. Out of 3,914 votes cast, 1,680 went Democratic and 2,055 went Republican.
What is Roosevelt County, Montana's political typology?
Akashic places Roosevelt County, Montana in the "Heartland Swing" typology — Industrial Midwest swing counties drifting steadily toward the Republican Party. 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 16 times, Republican 10 times, and other 1 times.
When did Roosevelt County, Montana last vote Democratic?
The most recent presidential election in which Roosevelt County, Montana voted Democratic was 2012.
How many people live in Roosevelt County, Montana?
Roosevelt County, Montana has a population of 10,526 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Roosevelt County, Montana?
Median household income in Roosevelt County, Montana is $57,063 — below the national median of $80,734. The Montana state median is $72,509.
What is the political history of Roosevelt County, Montana?
Akashic tracks 38 presidential elections in Roosevelt County, Montana from 1876 to 2024. Of those, 16 went Democratic and 10 went Republican. The county's typology — "Heartland Swing" — captures where that record, its demographics, and its recent swing place it among American communities.