County record · fips 19087 · Iowa
HenryIA
Republican ×7 since 2000all 40 elections, 1868–2024
The Long Record
40 elections against the Iowa and national vote
2024 result
R+36.5
won by Republicans
Record since first cycle
5–35
Dem–Rep two-party wins
Voted with the winner
28/40
70% of its elections
Closest election
1976
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 | +57.2 pts | Democrats |
| 1964 | +45.2 pts | Democrats |
| 1968 | -42.2 pts | Republicans |
| 1976 | +30.6 pts | Democrats |
| 1920 | -28.4 pts | Republicans |
Who Lives Here
Census & ACS county profile, 2024
Population
20,004
College (BA+)
23%
Median income
$67,436
2024 dollars
Non-white
14%
Rural
55%
Age 65+
20%
Interpolated between Census/ACS anchors; income CPI-deflated to 2024. Demographics begin in 2000 — earlier cycles have returns only.
Neighbouring counties
Des Moines, IA · Jefferson, IA · Lee, IA · Louisa, IA · Van Buren, IA · Washington, IA