Big Horn County, Montana: Florida Surge county. In 2024, voted R+2%. Republican peak: R+40 in 1924.
Key facts
- 2024 presidential margin
- R+2MIT Election Lab
- Political typology
- Florida SurgeAkashic typology
- Population
- 12,8912024 5-year
- Median household income
- $58,7502024 5-year
- White (non-Hispanic)
- 29.9%2024 5-year
- Black
- 0.3%2024 5-year
- Hispanic / Latino
- 4.7%2024 5-year
- Peak Democratic margin
- D+36 in 2008MIT Election Lab
- Peak Republican margin
- R+40 in 1924MIT Election Lab
- Most similar
- Cibola County, NM · similarity 0.99
2024 results by precinct
2024 precinct map of Big Horn CountyPrecinct-level 2024 presidential results for Big Horn 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 | +19.4% |
| 1920 | −36.6% |
| 1924 | −40.3% |
| 1928 | −11.2% |
| 1932 | +25.9% |
| 1936 | +29.8% |
| 1940 | +8.7% |
| 1944 | −3.9% |
| 1948 | −0.2% |
| 1952 | −32.0% |
| 1956 | −12.9% |
| 1960 | −7.0% |
| 1964 | +25.7% |
| 1968 | −14.2% |
| 1972 | −15.6% |
| 1976 | +9.6% |
| 1980 | −2.3% |
| 1984 | +5.7% |
| 1988 | +13.1% |
| 1992 | +17.7% |
| 1996 | +26.4% |
| 2000 | +16.7% |
| 2004 | +4.3% |
| 2008 | +36.2% |
| 2012 | +26.3% |
| 2016 | +5.7% |
| 2020 | +5.9% |
| 2024 | −1.7% |
DemocraticRepublican
38 presidential elections
| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| R | 2,112 | 2,188 | 4,470 | ||
| D | 2,491 | 2,207 | 4,784 | ||
| D | 2,094 | 1,853 | 4,237 | ||
| D | 2,882 | 1,667 | 4,626 | ||
| D | 3,516 | 1,628 | 5,218 | ||
| D | 2,215 | 2,028 | 4,311 | ||
| D | 2,345 | 1,651 | 4,161 | ||
| D | 2,453 | 1,336 | 4,239 | ||
| D | 2,154 | 1,377 | 4,394 | ||
| D | 2,233 | 1,711 | 3,984 | ||
| D | 2,681 | 2,390 | 5,110 | ||
| R | 1,644 | 1,730 | 3,735 | ||
| D | 1,962 | 1,615 | 3,630 | ||
| R | 1,552 | 2,148 | 3,824 | ||
| R | 1,319 | 1,789 | 3,321 | ||
| D | 2,509 | 1,481 | 3,993 | ||
| R | 1,497 | 1,724 | 3,224 | ||
| R | 1,342 | 1,739 | 3,081 | ||
| R | 1,114 | 2,165 | 3,285 | ||
| R | 1,328 | 1,334 | 2,702 | ||
| R | 1,289 | 1,394 | 2,695 | ||
| D | 1,926 | 1,616 | 3,560 | ||
| D | 2,037 | 1,087 | 3,186 | ||
| D | 1,637 | 957 | 2,628 | ||
| R | 1,017 | 1,274 | 2,297 | ||
| R | 327 | 1,082 | 1,874 | ||
| R | 475 | 1,062 | 1,605 | ||
| D | 740 | 497 | 1,254 | ||
| — | — | — | — | ||
| — | — | — | — | ||
| — | — | — | — | ||
| — | — | — | — | ||
| — | — | — | — | ||
| — | — | — | — | ||
| — | — | — | — | ||
| — | — | — | — | ||
| — | — | — | — | ||
| — | — | — | — |
Demographics
2024 ACS
Race, ethnicity, and ancestry
Click any group to see the ancestries typically reported within it.
German
7.6%
Irish
3.7%
English
2.8%
American
2.3%
French
0.5%
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: 31.9 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
$58,750
Big Horn County ranks near the middle of US counties.
Big Horn County$58,750
Montana$72,509
United States$80,734
Big Horn 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
22.1%
Children face higher poverty than working-age adults.
Children under 1827.3%
Working age (18–64)20.1%
Seniors (65+)15.3%
Source · American Community Survey 5-year estimates, 2024 release.
2024 ACS
Language at home
Population aged 5 and older
77.7%
speak English only
Other languages21.2%
Spanish1.0%
Other Indo-European0.1%
Source · ACS 5-year estimates, 2024.
2020 religion census
Religious adherents
Adherents per capita by tradition
Source · 2020 US Religion Census. Remaining 62.3% of residents not counted as adherents by any reporting body.
Big Horn County is home to the Crow Reservation, and Native American voters—roughly half the population—have historically driven Democratic margins that make this one of Montana's most competitive counties despite its rural ranching character.
The Democratic margin here once reached thirty-six points in 2008. Between 2020 and 2024 the county moved eight points toward the Republican candidate; the 2024 margin was two points.
A population of 12,891, a 30% non-Hispanic-white share, and a median household income of $58,750 describe the county. The county's voting pattern over the last decade is most similar to that of Cibola County and Scott 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.
Big Horn County, Montana. Akashic. https://akashic.app/county/30003/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0
More in Montana
More florida surge counties
Frequently asked questions
How did Big Horn County, Montana vote in 2024?
In 2024, Big Horn County, Montana voted Republican by 1.7 points (R+2), carried by the Republican candidate. Out of 4,470 votes cast, 2,112 went Democratic and 2,188 went Republican.
What is Big Horn County, Montana's political typology?
Akashic places Big Horn County, Montana in the "Florida Surge" typology — Florida coastal and retiree counties that moved sharply Republican across the Trump era. 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 12 times, and other 0 times.
When did Big Horn County, Montana last vote Democratic?
The most recent presidential election in which Big Horn County, Montana voted Democratic was 2020.
How many people live in Big Horn County, Montana?
Big Horn County, Montana has a population of 12,891 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Big Horn County, Montana?
Median household income in Big Horn County, Montana is $58,750 — below the national median of $80,734. The Montana state median is $72,509.
What is the political history of Big Horn County, Montana?
Akashic tracks 38 presidential elections in Big Horn County, Montana from 1876 to 2024. Of those, 16 went Democratic and 12 went Republican. The county's typology — "Florida Surge" — captures where that record, its demographics, and its recent swing place it among American communities.