County record · fips 19085 · Iowa
HarrisonIA
Republican ×15 since 1968all 40 elections, 1868–2024
The Long Record
40 elections against the Iowa and national vote
2024 result
R+42.5
won by Republicans
Record since first cycle
7–33
Dem–Rep two-party wins
Voted with the winner
28/40
70% of its elections
Closest election
1884
R+2.2
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 | +47.8 pts | Democrats |
| 1968 | -40.9 pts | Republicans |
| 1920 | -33.4 pts | Republicans |
| 1964 | +33.2 pts | Democrats |
| 1980 | -31.4 pts | Republicans |
Who Lives Here
Census & ACS county profile, 2024
Population
14,632
College (BA+)
22%
Median income
$79,535
2024 dollars
Non-white
6%
Rural
100%
Age 65+
20%
Interpolated between Census/ACS anchors; income CPI-deflated to 2024. Demographics begin in 2000 — earlier cycles have returns only.
Neighbouring counties
Crawford, IA · Monona, IA · Pottawattamie, IA · Shelby, IA · Burt, NE · Washington, NE