County record · fips 19053 · Iowa
DecaturIA
Republican ×7 since 2000all 40 elections, 1868–2024
The Long Record
40 elections against the Iowa and national vote
2024 result
R+47.8
won by Republicans
Record since first cycle
13–27
Dem–Rep two-party wins
Voted with the winner
32/40
80% of its elections
Closest election
1984
R+0.1
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 |
|---|---|---|
| 1964 | +48.2 pts | Democrats |
| 1932 | +44.3 pts | Democrats |
| 1968 | -41.4 pts | Republicans |
| 1976 | +33.3 pts | Democrats |
| 1952 | -28.8 pts | Republicans |
Who Lives Here
Census & ACS county profile, 2024
Population
7,759
College (BA+)
24%
Median income
$59,044
2024 dollars
Non-white
10%
Rural
100%
Age 65+
21%
Interpolated between Census/ACS anchors; income CPI-deflated to 2024. Demographics begin in 2000 — earlier cycles have returns only.
Neighbouring counties
Clarke, IA · Ringgold, IA · Wayne, IA · Harrison, MO · Mercer, MO