County record · fips 20005 · Kansas
AtchisonKS
Republican ×7 since 2000all 40 elections, 1868–2024
The Long Record
40 elections against the Kansas and national vote
2024 result
R+38.1
won by Republicans
Record since first cycle
8–32
Dem–Rep two-party wins
Voted with the winner
31/40
78% of its elections
Closest election
1916
D+0.1
this countyKansasnational (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 |
|---|---|---|
| 1892 | -89.4 pts | Republicans |
| 1896 | +86.7 pts | Democrats |
| 1976 | +39.9 pts | Democrats |
| 1932 | +36.1 pts | Democrats |
| 1972 | -35.2 pts | Republicans |
Who Lives Here
Census & ACS county profile, 2024
Population
16,208
College (BA+)
22%
Median income
$61,112
2024 dollars
Non-white
13%
Rural
33%
Age 65+
18%
Interpolated between Census/ACS anchors; income CPI-deflated to 2024. Demographics begin in 2000 — earlier cycles have returns only.
Neighbouring counties
Brown, KS · Doniphan, KS · Jackson, KS · Jefferson, KS · Leavenworth, KS · Buchanan, MO · Platte, MO