County record · fips 17001 · Illinois
AdamsIL
Republican ×15 since 1968all 40 elections, 1868–2024
The Long Record
40 elections against the Illinois and national vote
2024 result
R+48.1
won by Republicans
Record since first cycle
14–26
Dem–Rep two-party wins
Voted with the winner
25/40
63% of its elections
Closest election
1948
D+2.2
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 | +108.2 pts | Democrats |
| 1872 | -103.0 pts | Republicans |
| 1932 | +43.3 pts | Democrats |
| 1920 | -37.3 pts | Republicans |
| 1912 | +36.7 pts | Democrats |
Who Lives Here
Census & ACS county profile, 2024
Population
64,754
College (BA+)
27%
Median income
$66,220
2024 dollars
Non-white
10%
Rural
34%
Age 65+
21%
Interpolated between Census/ACS anchors; income CPI-deflated to 2024. Demographics begin in 2000 — earlier cycles have returns only.
Neighbouring counties
Brown, IL · Hancock, IL · Pike, IL · Schuyler, IL · Lewis, MO · Marion, MO