County record · fips 29165 · Missouri
PlatteMO
Republican ×8 since 1996all 40 elections, 1868–2024
The Long Record
40 elections against the Missouri and national vote
2024 result
R+3.2
won by Republicans
Record since first cycle
27–13
Dem–Rep two-party wins
Voted with the winner
22/40
55% of its elections
Closest election
1968
R+1.8
this countyMissourinational (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 | +47.4 pts | Democrats |
| 1976 | +38.7 pts | Democrats |
| 1968 | -35.3 pts | Republicans |
| 1972 | -33.6 pts | Republicans |
| 1952 | -30.0 pts | Republicans |
Who Lives Here
Census & ACS county profile, 2024
Population
110,371
College (BA+)
47%
Median income
$96,227
2024 dollars
Non-white
23%
Rural
14%
Age 65+
16%
Interpolated between Census/ACS anchors; income CPI-deflated to 2024. Demographics begin in 2000 — earlier cycles have returns only.
Neighbouring counties
Atchison, KS · Leavenworth, KS · Wyandotte, KS · Buchanan, MO · Clay, MO · Clinton, MO