County record · fips 19169 · Iowa
StoryIA
Democratic ×10 since 1988all 40 elections, 1868–2024
The Long Record
40 elections against the Iowa and national vote
2024 result
D+10.5
won by Democrats
Record since first cycle
12–28
Dem–Rep two-party wins
Voted with the winner
25/40
63% of its elections
Closest election
1912
R+0.9
this countyIowanational (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 |
|---|---|---|
| 1912 | +51.1 pts | Democrats |
| 1964 | +50.8 pts | Democrats |
| 1932 | +44.9 pts | Democrats |
| 1968 | -37.2 pts | Republicans |
| 1916 | -34.6 pts | Republicans |
Who Lives Here
Census & ACS county profile, 2024
Population
100,466
College (BA+)
55%
Median income
$69,685
2024 dollars
Non-white
19%
Rural
26%
Age 65+
13%
Interpolated between Census/ACS anchors; income CPI-deflated to 2024. Demographics begin in 2000 — earlier cycles have returns only.
Neighbouring counties
Boone, IA · Hamilton, IA · Hardin, IA · Jasper, IA · Marshall, IA · Polk, IA