County record · fips 29037 · Missouri
CassMO
Republican ×12 since 1980all 40 elections, 1868–2024
The Long Record
40 elections against the Missouri and national vote
2024 result
R+32.5
won by Republicans
Record since first cycle
21–19
Dem–Rep two-party wins
Voted with the winner
22/40
55% of its elections
Closest election
1956
R+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 |
|---|---|---|
| 1976 | +53.8 pts | Democrats |
| 1932 | +49.9 pts | Democrats |
| 1968 | -37.2 pts | Republicans |
| 1964 | +35.6 pts | Democrats |
| 1972 | -34.2 pts | Republicans |
Who Lives Here
Census & ACS county profile, 2024
Population
110,773
College (BA+)
30%
Median income
$87,535
2024 dollars
Non-white
16%
Rural
30%
Age 65+
18%
Interpolated between Census/ACS anchors; income CPI-deflated to 2024. Demographics begin in 2000 — earlier cycles have returns only.
Neighbouring counties
Johnson, KS · Miami, KS · Bates, MO · Henry, MO · Jackson, MO · Johnson, MO