akashic
1876–2024
Gallatin County, Montana
Gallatin County·Montana

Gallatin County votes the way the country votes.

A mountain-west county that has shifted Democratic as Bozeman grows

18762024·38 elections
Gallatin County, Montana · Tim Evanson · Wikimedia Commons
Latest
D+3
in 2024
Archetype
Bellwether
since the recent cycles
Population
124,074
2024 ACS
Most similar
Teton County
ID · similarity 0.98
46 precincts · 69,897 votes cast
Harris · D+3
Margin
Turnout
Harris +50
Trump +50
Real precinct boundaries. Hover for vote totals.
YearWonMarginDemocraticRepublicanTotal
2024D
+3.2%
34,93832,69569,897
2020D
+7.5%
37,04431,69670,979
2016D
+0.8%
24,24623,80253,819
2012R
−5.0%
21,96124,35847,908
2008D
+3.4%
24,20522,57848,155
2004R
−15.0%
16,40522,39239,842
2000R
−27.5%
10,00918,83332,040
1996R
−12.3%
10,97214,55929,078
1992R
−5.5%
9,53511,10928,779
1988R
−15.9%
9,52713,21423,205
1984R
−31.0%
8,16315,64324,140
1980R
−32.2%
5,74712,73821,726
1976R
−27.8%
6,21511,06217,460
1972R
−34.6%
5,09610,66316,088
1968R
−30.2%
3,8187,43311,978
1964R
−0.2%
5,6005,62111,248
1960R
−29.2%
3,7616,87010,652
1956R
−34.4%
3,2606,6809,940
1952R
−44.2%
2,6976,9989,729
1948R
−8.5%
3,5484,2207,950
1944D
+5.4%
3,4793,1206,632
1940D
+15.7%
4,7183,4308,198
1936D
+35.5%
4,6972,1517,168
1932D
+25.5%
4,3592,5537,095
1928R
−22.8%
2,4233,8616,318
1924R
−16.5%
1,5642,4945,623
1920R
−14.7%
2,3703,2385,920
1916D
+18.0%
3,6612,5276,306
1912D
+22.3%
1,4076833,241
1908R
−1.1%
1,4851,5193,219
1904R
−18.7%
1,1301,7003,048
1900D
+6.0%
1,2971,1462,517
1896D
+58.2%
1,6494232,108
1892D
+6.3%
1,1449982,304
1888
No data
1884
No data
1880
No data
1876
No data
Demographics
Race, ethnicity, and ancestry
Click any group to see the ancestries typically reported within it.
American
100.0%
Irish
2.2%
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. Ancestry is a self-reported, multiple-response item; ancestry percentages do not sum to the parent race percentage.
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
Other Christian
11.2%
Catholic & Orthodox
8.8%
Mainline Protestant
4.4%
Pentecostal & Holiness
1.8%
Non-Christian
1.6%
Methodist
1.1%
Baptist
0.7%
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.

The Democratic margin in Gallatin County has rarely exceeded fifty-eight points in modern history; the Republican margin has rarely exceeded forty-four points. 2024 delivered the county to the Democratic candidate by three points.

Gallatin County's demographics resemble the country more than they resemble most counties. A 89% non-Hispanic-white share, a 10% poverty rate, and a median household income of $93,528 — all within the broad national range. The county's voting pattern over the last decade is most similar to that of Teton County and Leelanau County.