County record · fips 16065 · Idaho
MadisonID
Republican ×19 since 1952reported 1916–2024 · 28 elections
The Long Record
28 elections against the Idaho and national vote
2024 result
R+66.8
won by Republicans
Record since first cycle
6–22
Dem–Rep two-party wins
Voted with the winner
20/28
71% of its elections
Closest election
1964
R+3.8
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 |
|---|---|---|
| 1968 | -49.6 pts | Republicans |
| 1952 | -45.9 pts | Republicans |
| 1920 | -41.1 pts | Republicans |
| 1932 | +40.3 pts | Democrats |
| 1980 | -27.9 pts | Republicans |
Who Lives Here
Census & ACS county profile, 2024
Population
54,618
College (BA+)
42%
Median income
$60,160
2024 dollars
Non-white
17%
Rural
22%
Age 65+
5%
Interpolated between Census/ACS anchors; income CPI-deflated to 2024. Demographics begin in 2000 — earlier cycles have returns only.