County record · fips 19123 · Iowa
MahaskaIA
Republican ×15 since 1968all 40 elections, 1868–2024
The Long Record
40 elections against the Iowa and national vote
2024 result
R+52.2
won by Republicans
Record since first cycle
6–34
Dem–Rep two-party wins
Voted with the winner
29/40
73% of its elections
Closest election
1916
D+0.1
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 | +56.7 pts | Democrats |
| 1932 | +48.5 pts | Democrats |
| 1968 | -46.4 pts | Republicans |
| 1884 | +34.4 pts | Democrats |
| 1920 | -33.9 pts | Republicans |
Who Lives Here
Census & ACS county profile, 2024
Population
22,021
College (BA+)
24%
Median income
$70,940
2024 dollars
Non-white
8%
Rural
43%
Age 65+
19%
Interpolated between Census/ACS anchors; income CPI-deflated to 2024. Demographics begin in 2000 — earlier cycles have returns only.
Neighbouring counties
Jasper, IA · Keokuk, IA · Marion, IA · Monroe, IA · Poweshiek, IA · Wapello, IA