County record · fips 19183 · Iowa
WashingtonIA
Republican ×7 since 2000all 40 elections, 1868–2024
The Long Record
40 elections against the Iowa and national vote
2024 result
R+24.7
won by Republicans
Record since first cycle
5–35
Dem–Rep two-party wins
Voted with the winner
26/40
65% of its elections
Closest election
1988
D+0.5
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 |
|---|---|---|
| 1968 | -45.4 pts | Republicans |
| 1964 | +45.2 pts | Democrats |
| 1932 | +44.6 pts | Democrats |
| 1916 | -35.0 pts | Republicans |
| 1912 | +33.4 pts | Democrats |
Who Lives Here
Census & ACS county profile, 2024
Population
22,561
College (BA+)
26%
Median income
$75,647
2024 dollars
Non-white
11%
Rural
70%
Age 65+
20%
Interpolated between Census/ACS anchors; income CPI-deflated to 2024. Demographics begin in 2000 — earlier cycles have returns only.
Neighbouring counties
Henry, IA · Iowa, IA · Jefferson, IA · Johnson, IA · Keokuk, IA · Louisa, IA