County record · fips 29095 · Missouri
JacksonMO
Republican ×6 since 2004all 40 elections, 1868–2024
From 2004 Kansas City reports separately, so Jackson County's later totals exclude it; the 2000→2004 swing is computed on the combined Jackson + Kansas City vote.
The Long Record
40 elections against the Missouri and national vote
2024 result
R+4.2
won by Republicans
Record since first cycle
29–11
Dem–Rep two-party wins
Voted with the winner
22/40
55% of its elections
Closest election
1984
D+1.0
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 |
|---|---|---|
| 1912 | +62.7 pts | Democrats |
| 1916 | -55.3 pts | Republicans |
| 1932 | +48.3 pts | Democrats |
| 1940 | -31.3 pts | Republicans |
| 1976 | +29.1 pts | Democrats |
Who Lives Here
Census & ACS county profile, 2024
Population
719,976
College (BA+)
34%
Median income
$68,577
2024 dollars
Non-white
41%
Rural
4%
Age 65+
16%
Interpolated between Census/ACS anchors; income CPI-deflated to 2024. Demographics begin in 2000 — earlier cycles have returns only.
Neighbouring counties
Johnson, KS · Wyandotte, KS · Cass, MO · Clay, MO · Johnson, MO · Lafayette, MO · Ray, MO