County record · fips 19113 · Iowa
LinnIA
Democratic ×10 since 1988all 40 elections, 1868–2024
The Long Record
40 elections against the Iowa and national vote
2024 result
D+10.1
won by Democrats
Record since first cycle
15–25
Dem–Rep two-party wins
Voted with the winner
28/40
70% of its elections
Closest election
1948
D+0.3
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 | +40.1 pts | Democrats |
| 1920 | -34.1 pts | Republicans |
| 1932 | +34.1 pts | Democrats |
| 1968 | -31.2 pts | Republicans |
| 1908 | +27.0 pts | Democrats |
Who Lives Here
Census & ACS county profile, 2024
Population
230,004
College (BA+)
35%
Median income
$77,649
2024 dollars
Non-white
18%
Rural
14%
Age 65+
17%
Interpolated between Census/ACS anchors; income CPI-deflated to 2024. Demographics begin in 2000 — earlier cycles have returns only.
Neighbouring counties
Benton, IA · Buchanan, IA · Cedar, IA · Delaware, IA · Johnson, IA · Jones, IA