County record · fips 30069 · Montana
PetroleumMT
Republican ×15 since 1968reported 1928–2024 · 25 elections
The Long Record
25 elections against the Montana and national vote
2024 result
R+76.9
won by Republicans
Record since first cycle
5–20
Dem–Rep two-party wins
Voted with the winner
17/25
68% of its elections
Closest election
1940
D+0.5
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 |
|---|---|---|
| 1932 | +43.9 pts | Democrats |
| 1968 | -41.6 pts | Republicans |
| 1952 | -39.3 pts | Republicans |
| 1940 | -33.5 pts | Republicans |
| 2000 | -25.2 pts | Republicans |
Who Lives Here
Census & ACS county profile, 2024
Population
447
College (BA+)
31%
Median income
$60,208
2024 dollars
Non-white
1%
Rural
100%
Age 65+
28%
Interpolated between Census/ACS anchors; income CPI-deflated to 2024. Demographics begin in 2000 — earlier cycles have returns only.
Neighbouring counties
Fergus, MT · Garfield, MT · Musselshell, MT · Phillips, MT · Rosebud, MT