County record · fips 17107 · Illinois
LoganIL
Republican ×15 since 1968all 40 elections, 1868–2024
The Long Record
40 elections against the Illinois and national vote
2024 result
R+42.4
won by Republicans
Record since first cycle
9–31
Dem–Rep two-party wins
Voted with the winner
26/40
65% of its elections
Closest election
1896
R+0.7
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 | +93.3 pts | Democrats |
| 1872 | -83.0 pts | Republicans |
| 1916 | -41.4 pts | Republicans |
| 1912 | +38.2 pts | Democrats |
| 1968 | -37.2 pts | Republicans |
Who Lives Here
Census & ACS county profile, 2024
Population
27,713
College (BA+)
21%
Median income
$66,358
2024 dollars
Non-white
14%
Rural
50%
Age 65+
20%
Interpolated between Census/ACS anchors; income CPI-deflated to 2024. Demographics begin in 2000 — earlier cycles have returns only.
Neighbouring counties
De Witt, IL · McLean, IL · Macon, IL · Mason, IL · Menard, IL · Sangamon, IL · Tazewell, IL