County record · fips 17097 · Illinois
LakeIL
Democratic ×5 since 2008all 40 elections, 1868–2024
The Long Record
40 elections against the Illinois and national vote
2024 result
D+21.1
won by Democrats
Record since first cycle
8–32
Dem–Rep two-party wins
Voted with the winner
27/40
68% of its elections
Closest election
1996
D+0.1
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 | +71.9 pts | Democrats |
| 1872 | -54.7 pts | Republicans |
| 1912 | +53.2 pts | Democrats |
| 1916 | -46.1 pts | Republicans |
| 1928 | +42.9 pts | Democrats |
Who Lives Here
Census & ACS county profile, 2024
Population
714,223
College (BA+)
48%
Median income
$110,416
2024 dollars
Non-white
44%
Rural
1%
Age 65+
16%
Interpolated between Census/ACS anchors; income CPI-deflated to 2024. Demographics begin in 2000 — earlier cycles have returns only.