County record · fips 29021 · Missouri
BuchananMO
Republican ×4 since 2012all 40 elections, 1868–2024
The Long Record
40 elections against the Missouri and national vote
2024 result
R+28.4
won by Republicans
Record since first cycle
24–16
Dem–Rep two-party wins
Voted with the winner
27/40
68% of its elections
Closest election
2008
D+0.1
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 | +53.8 pts | Democrats |
| 1964 | +40.6 pts | Democrats |
| 1968 | -36.3 pts | Republicans |
| 1976 | +34.3 pts | Democrats |
| 1872 | +33.9 pts | Democrats |
Who Lives Here
Census & ACS county profile, 2024
Population
83,568
College (BA+)
24%
Median income
$62,158
2024 dollars
Non-white
20%
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
Atchison, KS · Doniphan, KS · Andrew, MO · Clinton, MO · DeKalb, MO · Platte, MO