County record · fips 29159 · Missouri
PettisMO
Republican ×12 since 1980all 40 elections, 1868–2024
The Long Record
40 elections against the Missouri and national vote
2024 result
R+49.5
won by Republicans
Record since first cycle
13–27
Dem–Rep two-party wins
Voted with the winner
28/40
70% of its elections
Closest election
1900
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 |
|---|---|---|
| 1932 | +52.7 pts | Democrats |
| 1964 | +37.7 pts | Democrats |
| 1976 | +37.0 pts | Democrats |
| 1972 | -30.4 pts | Republicans |
| 1968 | -28.0 pts | Republicans |
Who Lives Here
Census & ACS county profile, 2024
Population
43,397
College (BA+)
18%
Median income
$60,430
2024 dollars
Non-white
18%
Rural
39%
Age 65+
17%
Interpolated between Census/ACS anchors; income CPI-deflated to 2024. Demographics begin in 2000 — earlier cycles have returns only.
Neighbouring counties
Benton, MO · Cooper, MO · Henry, MO · Johnson, MO · Lafayette, MO · Morgan, MO · Saline, MO