County record · fips 17071 · Illinois
HendersonIL
Republican ×3 since 2016all 40 elections, 1868–2024
The Long Record
40 elections against the Illinois and national vote
2024 result
R+39.6
won by Republicans
Record since first cycle
10–30
Dem–Rep two-party wins
Voted with the winner
27/40
68% of its elections
Closest election
1976
R+1.3
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 | -81.8 pts | Republicans |
| 1876 | +80.8 pts | Democrats |
| 1932 | +56.7 pts | Democrats |
| 2016 | -42.6 pts | Republicans |
| 1912 | +36.1 pts | Democrats |
Who Lives Here
Census & ACS county profile, 2024
Population
6,193
College (BA+)
21%
Median income
$62,227
2024 dollars
Non-white
6%
Rural
99%
Age 65+
28%
Interpolated between Census/ACS anchors; income CPI-deflated to 2024. Demographics begin in 2000 — earlier cycles have returns only.
Neighbouring counties
Hancock, IL · McDonough, IL · Mercer, IL · Warren, IL · Des Moines, IA · Lee, IA