Stillwater County, Montana: Farm Belt county. In 2024, voted R+62%. Republican peak: R+62 in 2024.
Key facts
- 2024 presidential margin
- R+62MIT Election Lab
- Political typology
- Farm BeltAkashic typology
- Population
- 9,1822024 5-year
- Median household income
- $84,7322024 5-year
- White (non-Hispanic)
- 93.0%2024 5-year
- Black
- 0.0%2024 5-year
- Hispanic / Latino
- 3.5%2024 5-year
- Peak Democratic margin
- D+13 in 1916MIT Election Lab
- Peak Republican margin
- R+62 in 2024MIT Election Lab
- Most similar
- Toole County, MT · similarity 1.00
2024 results by precinct
2024 precinct map of Stillwater CountyPrecinct-level 2024 presidential results for Stillwater County, with each precinct boundary colored by Democratic-vs-Republican margin.
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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 | +12.8% |
| 1920 | −43.3% |
| 1924 | −44.0% |
| 1928 | −40.5% |
| 1932 | +8.0% |
| 1936 | +10.7% |
| 1940 | −2.2% |
| 1944 | −12.5% |
| 1948 | −11.8% |
| 1952 | −34.6% |
| 1956 | −20.6% |
| 1960 | −16.8% |
| 1964 | −0.4% |
| 1968 | −30.5% |
| 1972 | −39.3% |
| 1976 | −11.5% |
| 1980 | −30.5% |
| 1984 | −31.2% |
| 1988 | −15.2% |
| 1992 | −5.8% |
| 1996 | −15.5% |
| 2000 | −47.0% |
| 2004 | −49.0% |
| 2008 | −31.7% |
| 2012 | −44.4% |
| 2016 | −56.5% |
| 2020 | −57.8% |
| 2024 | −61.7% |
DemocraticRepublican
38 presidential elections
| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| R | 1,056 | 4,699 | 5,906 | ||
| R | 1,156 | 4,462 | 5,724 | ||
| R | 908 | 3,661 | 4,873 | ||
| R | 1,248 | 3,337 | 4,702 | ||
| R | 1,512 | 2,991 | 4,667 | ||
| R | 1,025 | 3,090 | 4,213 | ||
| R | 925 | 2,765 | 3,918 | ||
| R | 1,282 | 1,871 | 3,800 | ||
| R | 1,178 | 1,390 | 3,640 | ||
| R | 1,407 | 1,920 | 3,379 | ||
| R | 1,100 | 2,118 | 3,258 | ||
| R | 919 | 1,828 | 2,984 | ||
| R | 1,143 | 1,446 | 2,635 | ||
| R | 716 | 1,698 | 2,499 | ||
| R | 676 | 1,347 | 2,201 | ||
| R | 1,130 | 1,140 | 2,271 | ||
| R | 1,036 | 1,455 | 2,491 | ||
| R | 1,013 | 1,540 | 2,553 | ||
| R | 816 | 1,689 | 2,520 | ||
| R | 890 | 1,137 | 2,087 | ||
| R | 934 | 1,201 | 2,142 | ||
| R | 1,201 | 1,255 | 2,475 | ||
| D | 1,292 | 1,034 | 2,422 | ||
| D | 1,281 | 1,085 | 2,453 | ||
| R | 711 | 1,687 | 2,408 | ||
| R | 375 | 1,412 | 2,358 | ||
| R | 664 | 1,721 | 2,441 | ||
| D | 1,197 | 918 | 2,185 | ||
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Demographics
2024 ACS
Race, ethnicity, and ancestry
Click any group to see the ancestries typically reported within it.
German
26.5%
Irish
14.0%
English
13.0%
American
5.0%
French
2.9%
Italian
2.5%
Scottish
2.2%
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. 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: 46.7 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.
2024 ACS
Median household income
Inflation-adjusted dollars
$84,732
Stillwater County ranks in the top 25% of US counties.
Stillwater County$84,732
Montana$72,509
United States$80,734
Stillwater County ranks in the top 25% 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
8.3%
Child poverty is below the national average.
Children under 186.7%
Working age (18–64)8.1%
Seniors (65+)13.0%
Source · American Community Survey 5-year estimates, 2024 release.
2024 ACS
Language at home
Population aged 5 and older
98.5%
speak English only
Other Indo-European0.9%
Other languages0.3%
Asian & Pacific Islander0.2%
Spanish0.1%
Source · ACS 5-year estimates, 2024.
2020 religion census
Religious adherents
Adherents per capita by tradition
Source · 2020 US Religion Census. Remaining 66.6% of residents not counted as adherents by any reporting body.
Stillwater County, anchored by the small city of Columbus, sits in south-central Montana's Yellowstone River corridor and posted a Republican presidential margin exceeding 60 points in 2024, placing it among the state's most one-sided jurisdictions.
The Republican margin here reached sixty-two points in 2024. Between 2020 and 2024 the county moved four points toward the Republican candidate; the 2024 margin was sixty-two points.
A population of 9,182, a 93% non-Hispanic-white share, and a median household income of $84,732 describe an agricultural county. The county's voting pattern over the last decade is most similar to that of Toole County and Bowman 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.
Stillwater County, Montana. Akashic. https://akashic.app/county/30095/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0
More in Montana
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Frequently asked questions
How did Stillwater County, Montana vote in 2024?
In 2024, Stillwater County, Montana voted Republican by 61.7 points (R+62), carried by the Republican candidate. Out of 5,906 votes cast, 1,056 went Democratic and 4,699 went Republican.
What is Stillwater County, Montana's political typology?
Akashic places Stillwater County, Montana in the "Farm Belt" typology — Rural Plains and Midwest farm counties — Republican, with modest recent movement. 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 3 times, Republican 25 times, and other 0 times.
When did Stillwater County, Montana last vote Democratic?
The most recent presidential election in which Stillwater County, Montana voted Democratic was 1936.
How many people live in Stillwater County, Montana?
Stillwater County, Montana has a population of 9,182 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Stillwater County, Montana?
Median household income in Stillwater County, Montana is $84,732 — above the national median of $80,734. The Montana state median is $72,509.
What is the political history of Stillwater County, Montana?
Akashic tracks 38 presidential elections in Stillwater County, Montana from 1876 to 2024. Of those, 3 went Democratic and 25 went Republican. The county's typology — "Farm Belt" — captures where that record, its demographics, and its recent swing place it among American communities.