County record · fips 19011 · Iowa
BentonIA
Republican ×4 since 2012all 40 elections, 1868–2024
The Long Record
40 elections against the Iowa and national vote
2024 result
R+33.7
won by Republicans
Record since first cycle
15–25
Dem–Rep two-party wins
Voted with the winner
32/40
80% of its elections
Closest election
2012
R+0.6
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 |
|---|---|---|
| 1932 | +54.2 pts | Democrats |
| 1964 | +44.2 pts | Democrats |
| 1968 | -43.4 pts | Republicans |
| 1920 | -36.2 pts | Republicans |
| 1884 | +32.1 pts | Democrats |
Who Lives Here
Census & ACS county profile, 2024
Population
25,724
College (BA+)
26%
Median income
$86,962
2024 dollars
Non-white
6%
Rural
81%
Age 65+
20%
Interpolated between Census/ACS anchors; income CPI-deflated to 2024. Demographics begin in 2000 — earlier cycles have returns only.
Neighbouring counties
Black Hawk, IA · Buchanan, IA · Iowa, IA · Linn, IA · Tama, IA