County record · fips 19137 · Iowa
MontgomeryIA
Republican ×15 since 1968all 40 elections, 1868–2024
The Long Record
40 elections against the Iowa and national vote
2024 result
R+39.6
won by Republicans
Record since first cycle
3–37
Dem–Rep two-party wins
Voted with the winner
26/40
65% of its elections
Closest election
1932
D+3.5
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 |
|---|---|---|
| 1912 | +46.8 pts | Democrats |
| 1932 | +46.0 pts | Democrats |
| 1968 | -43.3 pts | Republicans |
| 1916 | -37.6 pts | Republicans |
| 1964 | +36.3 pts | Democrats |
Who Lives Here
Census & ACS county profile, 2024
Population
10,214
College (BA+)
20%
Median income
$63,666
2024 dollars
Non-white
8%
Rural
47%
Age 65+
23%
Interpolated between Census/ACS anchors; income CPI-deflated to 2024. Demographics begin in 2000 — earlier cycles have returns only.
Neighbouring counties
Adams, IA · Cass, IA · Mills, IA · Page, IA · Pottawattamie, IA