County record · fips 19039 · Iowa
ClarkeIA
Republican ×3 since 2016all 40 elections, 1868–2024
The Long Record
40 elections against the Iowa and national vote
2024 result
R+42.6
won by Republicans
Record since first cycle
12–28
Dem–Rep two-party wins
Voted with the winner
29/40
73% of its elections
Closest election
1936
D+0.8
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 |
|---|---|---|
| 1888 | +51.7 pts | Democrats |
| 1932 | +44.3 pts | Democrats |
| 1964 | +42.4 pts | Democrats |
| 1968 | -37.3 pts | Republicans |
| 1980 | -34.6 pts | Republicans |
Who Lives Here
Census & ACS county profile, 2024
Population
9,662
College (BA+)
16%
Median income
$71,641
2024 dollars
Non-white
23%
Rural
46%
Age 65+
20%
Interpolated between Census/ACS anchors; income CPI-deflated to 2024. Demographics begin in 2000 — earlier cycles have returns only.
Neighbouring counties
Decatur, IA · Lucas, IA · Madison, IA · Union, IA · Warren, IA