County record · fips 17095 · Illinois
KnoxIL
Republican ×3 since 2016all 40 elections, 1868–2024
The Long Record
40 elections against the Illinois and national vote
2024 result
R+9.6
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
1932
D+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 |
|---|---|---|
| 1876 | +62.5 pts | Democrats |
| 1872 | -61.2 pts | Republicans |
| 1912 | +59.1 pts | Democrats |
| 1932 | +46.0 pts | Democrats |
| 1916 | -45.7 pts | Republicans |
Who Lives Here
Census & ACS county profile, 2024
Population
49,046
College (BA+)
21%
Median income
$57,030
2024 dollars
Non-white
20%
Rural
32%
Age 65+
22%
Interpolated between Census/ACS anchors; income CPI-deflated to 2024. Demographics begin in 2000 — earlier cycles have returns only.
Neighbouring counties
Fulton, IL · Henry, IL · Mercer, IL · Peoria, IL · Stark, IL · Warren, IL