County record · fips 17011 · Illinois
BureauIL
Republican ×4 since 2012all 40 elections, 1868–2024
The Long Record
40 elections against the Illinois and national vote
2024 result
R+24.8
won by Republicans
Record since first cycle
5–35
Dem–Rep two-party wins
Voted with the winner
28/40
70% of its elections
Closest election
2012
R+0.2
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 | -70.8 pts | Republicans |
| 1876 | +70.3 pts | Democrats |
| 1912 | +50.9 pts | Democrats |
| 1920 | -44.5 pts | Republicans |
| 1916 | -38.6 pts | Republicans |
Who Lives Here
Census & ACS county profile, 2024
Population
32,866
College (BA+)
22%
Median income
$69,257
2024 dollars
Non-white
15%
Rural
55%
Age 65+
23%
Interpolated between Census/ACS anchors; income CPI-deflated to 2024. Demographics begin in 2000 — earlier cycles have returns only.
Neighbouring counties
Henry, IL · LaSalle, IL · Lee, IL · Marshall, IL · Putnam, IL · Stark, IL · Whiteside, IL