County record · fips 17023 · Illinois
ClarkIL
Republican ×8 since 1996all 40 elections, 1868–2024
The Long Record
40 elections against the Illinois and national vote
2024 result
R+52.2
won by Republicans
Record since first cycle
14–26
Dem–Rep two-party wins
Voted with the winner
25/40
63% of its elections
Closest election
1964
D+0.7
this countyIllinoisnational (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 |
|---|---|---|
| 1872 | -104.8 pts | Republicans |
| 1876 | +104.0 pts | Democrats |
| 1932 | +37.1 pts | Democrats |
| 1968 | -26.9 pts | Republicans |
| 1976 | +26.5 pts | Democrats |
Who Lives Here
Census & ACS county profile, 2024
Population
15,266
College (BA+)
25%
Median income
$72,927
2024 dollars
Non-white
5%
Rural
100%
Age 65+
20%
Interpolated between Census/ACS anchors; income CPI-deflated to 2024. Demographics begin in 2000 — earlier cycles have returns only.
Neighbouring counties
Coles, IL · Crawford, IL · Cumberland, IL · Edgar, IL · Jasper, IL · Sullivan, IN · Vigo, IN