County record · fips 17093 · Illinois
KendallIL
Democratic ×2 since 2020all 40 elections, 1868–2024
The Long Record
40 elections against the Illinois and national vote
2024 result
D+1.6
won by Democrats
Record since first cycle
4–36
Dem–Rep two-party wins
Voted with the winner
23/40
57% of its elections
Closest election
2016
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 |
|---|---|---|
| 1876 | -124.8 pts | Republicans |
| 1872 | +122.5 pts | Democrats |
| 1912 | +55.3 pts | Democrats |
| 1916 | -53.1 pts | Republicans |
| 1932 | +44.5 pts | Democrats |
Who Lives Here
Census & ACS county profile, 2024
Population
137,675
College (BA+)
37%
Median income
$111,601
2024 dollars
Non-white
38%
Rural
11%
Age 65+
11%
Interpolated between Census/ACS anchors; income CPI-deflated to 2024. Demographics begin in 2000 — earlier cycles have returns only.
Neighbouring counties
DeKalb, IL · Grundy, IL · Kane, IL · LaSalle, IL · Will, IL