County record · fips 30031 · Montana
GallatinMT
Democratic ×3 since 2016reported 1892–2024 · 34 elections
The Long Record
34 elections against the Montana and national vote
2024 result
D+3.3
won by Democrats
Record since first cycle
13–21
Dem–Rep two-party wins
Voted with the winner
23/34
68% of its elections
Closest election
1964
R+0.2
this countyMontananational (official)dot colour = two-party winner · hollow = tie or unknown total · click a dot to open that election
The Biggest Swings
Cycle-over-cycle change in the two-party margin, in points
| Election | Swing | Toward |
|---|---|---|
| 1900 | -53.7 pts | Republicans |
| 1896 | +53.1 pts | Democrats |
| 1932 | +48.9 pts | Democrats |
| 1912 | +35.8 pts | Democrats |
| 1952 | -35.7 pts | Republicans |
Who Lives Here
Census & ACS county profile, 2024
Population
124,074
College (BA+)
54%
Median income
$93,528
2024 dollars
Non-white
12%
Rural
35%
Age 65+
14%
Interpolated between Census/ACS anchors; income CPI-deflated to 2024. Demographics begin in 2000 — earlier cycles have returns only.
Neighbouring counties
Fremont, ID · Broadwater, MT · Jefferson, MT · Madison, MT · Meagher, MT · Park, MT · Park, WY · Teton, WY