County record · fips 17085 · Illinois
Jo DaviessIL
Republican ×3 since 2016all 40 elections, 1868–2024
The Long Record
40 elections against the Illinois and national vote
2024 result
R+17.1
won by Republicans
Record since first cycle
7–33
Dem–Rep two-party wins
Voted with the winner
30/40
75% of its elections
Closest election
1888
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 | +87.7 pts | Democrats |
| 1872 | -77.5 pts | Republicans |
| 1916 | -53.2 pts | Republicans |
| 1912 | +43.8 pts | Democrats |
| 1932 | +34.1 pts | Democrats |
Who Lives Here
Census & ACS county profile, 2024
Population
21,851
College (BA+)
29%
Median income
$73,993
2024 dollars
Non-white
8%
Rural
88%
Age 65+
30%
Interpolated between Census/ACS anchors; income CPI-deflated to 2024. Demographics begin in 2000 — earlier cycles have returns only.
Neighbouring counties
Carroll, IL · Stephenson, IL · Dubuque, IA · Jackson, IA · Grant, WI · Lafayette, WI