County record · fips 19041 · Iowa
ClayIA
Republican ×7 since 2000all 40 elections, 1868–2024
The Long Record
40 elections against the Iowa and national vote
2024 result
R+43.7
won by Republicans
Record since first cycle
10–30
Dem–Rep two-party wins
Voted with the winner
31/40
78% of its elections
Closest election
1912
D+2.0
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 |
|---|---|---|
| 1952 | -56.2 pts | Republicans |
| 1932 | +52.3 pts | Democrats |
| 1920 | -49.0 pts | Republicans |
| 1928 | +49.0 pts | Democrats |
| 1912 | +44.4 pts | Democrats |
Who Lives Here
Census & ACS county profile, 2024
Population
16,461
College (BA+)
28%
Median income
$65,428
2024 dollars
Non-white
9%
Rural
33%
Age 65+
22%
Interpolated between Census/ACS anchors; income CPI-deflated to 2024. Demographics begin in 2000 — earlier cycles have returns only.
Neighbouring counties
Buena Vista, IA · Dickinson, IA · O'Brien, IA · Palo Alto, IA