County record · fips 16083 · Idaho
Twin FallsID
Republican ×22 since 1940reported 1908–2024 · 30 elections
The Long Record
30 elections against the Idaho and national vote
2024 result
R+50.2
won by Republicans
Record since first cycle
4–26
Dem–Rep two-party wins
Voted with the winner
19/30
63% of its elections
Closest election
1940
R+10.6
this countyIdahonational (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 | +59.6 pts | Democrats |
| 1912 | +48.8 pts | Democrats |
| 1920 | -46.9 pts | Republicans |
| 1952 | -39.1 pts | Republicans |
| 1940 | -30.8 pts | Republicans |
Who Lives Here
Census & ACS county profile, 2024
Population
93,734
College (BA+)
24%
Median income
$67,409
2024 dollars
Non-white
25%
Rural
35%
Age 65+
17%
Interpolated between Census/ACS anchors; income CPI-deflated to 2024. Demographics begin in 2000 — earlier cycles have returns only.
Neighbouring counties
Cassia, ID · Elmore, ID · Gooding, ID · Jerome, ID · Owyhee, ID · Elko, NV