County record · fips 17195 · Illinois
WhitesideIL
Republican ×3 since 2016all 40 elections, 1868–2024
The Long Record
40 elections against the Illinois and national vote
2024 result
R+15.0
won by Republicans
Record since first cycle
7–33
Dem–Rep two-party wins
Voted with the winner
26/40
65% of its elections
Closest election
1964
R+1.6
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 | +67.6 pts | Democrats |
| 1916 | -61.0 pts | Republicans |
| 1912 | +58.4 pts | Democrats |
| 1872 | -54.0 pts | Republicans |
| 1932 | +30.0 pts | Democrats |
Who Lives Here
Census & ACS county profile, 2024
Population
54,947
College (BA+)
20%
Median income
$67,500
2024 dollars
Non-white
19%
Rural
44%
Age 65+
22%
Interpolated between Census/ACS anchors; income CPI-deflated to 2024. Demographics begin in 2000 — earlier cycles have returns only.
Neighbouring counties
Bureau, IL · Carroll, IL · Henry, IL · Lee, IL · Ogle, IL · Rock Island, IL · Clinton, IA