Gallatin County, Montana: Industrial Catholic Metro county. In 2024, voted D+3%. Democratic peak: D+58 in 1896.
Key facts
- 2024 presidential margin
- D+3MIT Election Lab
- Political typology
- Industrial Catholic MetroAkashic typology
- Population
- 124,0742024 5-year
- Median household income
- $93,5282024 5-year
- White (non-Hispanic)
- 88.8%2024 5-year
- Black
- 0.4%2024 5-year
- Hispanic / Latino
- 5.4%2024 5-year
- Peak Democratic margin
- D+58 in 1896MIT Election Lab
- Peak Republican margin
- R+44 in 1952MIT Election Lab
- Most similar
- Teton County, ID · similarity 0.98
2024 results by precinct
2024 precinct map of Gallatin CountyPrecinct-level 2024 presidential results for Gallatin 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 | +6.3% |
| 1896 | +58.2% |
| 1900 | +6.0% |
| 1904 | −18.7% |
| 1908 | −1.1% |
| 1912 | +22.3% |
| 1916 | +18.0% |
| 1920 | −14.7% |
| 1924 | −16.5% |
| 1928 | −22.8% |
| 1932 | +25.5% |
| 1936 | +35.5% |
| 1940 | +15.7% |
| 1944 | +5.4% |
| 1948 | −8.5% |
| 1952 | −44.2% |
| 1956 | −34.4% |
| 1960 | −29.2% |
| 1964 | −0.2% |
| 1968 | −30.2% |
| 1972 | −34.6% |
| 1976 | −27.8% |
| 1980 | −32.2% |
| 1984 | −31.0% |
| 1988 | −15.9% |
| 1992 | −5.5% |
| 1996 | −12.3% |
| 2000 | −27.5% |
| 2004 | −15.0% |
| 2008 | +3.4% |
| 2012 | −5.0% |
| 2016 | +0.8% |
| 2020 | +7.5% |
| 2024 | +3.2% |
DemocraticRepublican
38 presidential elections
| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| D | 34,938 | 32,695 | 69,897 | ||
| D | 37,044 | 31,696 | 70,979 | ||
| D | 24,246 | 23,802 | 53,819 | ||
| R | 21,961 | 24,358 | 47,908 | ||
| D | 24,205 | 22,578 | 48,155 | ||
| R | 16,405 | 22,392 | 39,842 | ||
| R | 10,009 | 18,833 | 32,040 | ||
| R | 10,972 | 14,559 | 29,078 | ||
| R | 9,535 | 11,109 | 28,779 | ||
| R | 9,527 | 13,214 | 23,205 | ||
| R | 8,163 | 15,643 | 24,140 | ||
| R | 5,747 | 12,738 | 21,726 | ||
| R | 6,215 | 11,062 | 17,460 | ||
| R | 5,096 | 10,663 | 16,088 | ||
| R | 3,818 | 7,433 | 11,978 | ||
| R | 5,600 | 5,621 | 11,248 | ||
| R | 3,761 | 6,870 | 10,652 | ||
| R | 3,260 | 6,680 | 9,940 | ||
| R | 2,697 | 6,998 | 9,729 | ||
| R | 3,548 | 4,220 | 7,950 | ||
| D | 3,479 | 3,120 | 6,632 | ||
| D | 4,718 | 3,430 | 8,198 | ||
| D | 4,697 | 2,151 | 7,168 | ||
| D | 4,359 | 2,553 | 7,095 | ||
| R | 2,423 | 3,861 | 6,318 | ||
| R | 1,564 | 2,494 | 5,623 | ||
| R | 2,370 | 3,238 | 5,920 | ||
| D | 3,661 | 2,527 | 6,306 | ||
| D | 1,407 | 683 | 3,241 | ||
| R | 1,485 | 1,519 | 3,219 | ||
| R | 1,130 | 1,700 | 3,048 | ||
| D | 1,297 | 1,146 | 2,517 | ||
| D | 1,649 | 423 | 2,108 | ||
| D | 1,144 | 998 | 2,304 | ||
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Demographics
2024 ACS
Race, ethnicity, and ancestry
Click any group to see the ancestries typically reported within it.
German
22.3%
English
14.6%
Irish
13.7%
American
4.7%
Scottish
3.7%
Italian
3.5%
French
2.6%
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: 34.2 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
$93,528
Gallatin County ranks in the top 10% of US counties.
Gallatin County$93,528
Montana$72,509
United States$80,734
Gallatin County ranks in the top 10% 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
9.5%
Child poverty is below the national average.
Children under 186.4%
Working age (18–64)10.6%
Seniors (65+)5.4%
Source · American Community Survey 5-year estimates, 2024 release.
2024 ACS
Language at home
Population aged 5 and older
94.8%
speak English only
Spanish2.8%
Other Indo-European1.4%
Asian & Pacific Islander0.8%
Other languages0.3%
Source · ACS 5-year estimates, 2024.
2020 religion census
Religious adherents
Adherents per capita by tradition
Source · 2020 US Religion Census. Remaining 70.4% of residents not counted as adherents by any reporting body.
Gallatin County's political center of gravity has tracked its rapid population growth around Bozeman, flipping from reliably Republican to a narrow Democratic lean in presidential contests over the past decade.
Its margins are typically close. The Democratic margin reached fifty-eight points in 1896; the Republican margin reached forty-four points in 1952. Between 2020 and 2024 the county moved four points toward the Republican candidate; the 2024 margin was three points.
Its demographics sit near national norms: a 89% non-Hispanic-white share, a median household income of $93,528, and a 10% poverty rate. The county's voting pattern over the last decade is most similar to that of Teton County and Leelanau 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.
Gallatin County, Montana. Akashic. https://akashic.app/county/30031/. 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 Gallatin County, Montana vote in 2024?
In 2024, Gallatin County, Montana voted Democratic by 3.2 points (D+3), carried by the Democratic candidate. Out of 69,897 votes cast, 34,938 went Democratic and 32,695 went Republican.
What is Gallatin County, Montana's political typology?
Akashic places Gallatin County, Montana in the "Industrial Catholic Metro" typology — Mid-size industrial metros with Catholic ethnic roots — among the most competitive, swing-prone ground in the country. 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 13 times, Republican 21 times, and other 0 times.
When did Gallatin County, Montana last vote Republican?
The most recent presidential election in which Gallatin County, Montana voted Republican was 2012.
How many people live in Gallatin County, Montana?
Gallatin County, Montana has a population of 124,074 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Gallatin County, Montana?
Median household income in Gallatin County, Montana is $93,528 — above the national median of $80,734. The Montana state median is $72,509.
What is the political history of Gallatin County, Montana?
Akashic tracks 38 presidential elections in Gallatin County, Montana from 1876 to 2024. Of those, 13 went Democratic and 21 went Republican. The county's typology — "Industrial Catholic Metro" — captures where that record, its demographics, and its recent swing place it among American communities.