County record · fips 19059 · Iowa
DickinsonIA
Republican ×7 since 2000all 40 elections, 1868–2024
The Long Record
40 elections against the Iowa and national vote
2024 result
R+40.4
won by Republicans
Record since first cycle
8–32
Dem–Rep two-party wins
Voted with the winner
31/40
78% of its elections
Closest election
1948
D+0.4
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 | +51.1 pts | Democrats |
| 1920 | -45.9 pts | Republicans |
| 1952 | -43.6 pts | Republicans |
| 1912 | +42.3 pts | Democrats |
| 1968 | -38.2 pts | Republicans |
Who Lives Here
Census & ACS county profile, 2024
Population
17,990
College (BA+)
31%
Median income
$75,432
2024 dollars
Non-white
7%
Rural
27%
Age 65+
28%
Interpolated between Census/ACS anchors; income CPI-deflated to 2024. Demographics begin in 2000 — earlier cycles have returns only.