County record · fips 17077 · Illinois
JacksonIL
Democratic ×10 since 1988all 40 elections, 1868–2024
The Long Record
40 elections against the Illinois and national vote
2024 result
D+3.5
won by Democrats
Record since first cycle
20–20
Dem–Rep two-party wins
Voted with the winner
21/40
53% of its elections
Closest election
1880
D+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 |
|---|---|---|
| 1964 | +37.5 pts | Democrats |
| 1876 | -37.3 pts | Republicans |
| 1872 | +36.9 pts | Democrats |
| 1932 | +34.3 pts | Democrats |
| 1968 | -28.4 pts | Republicans |
Who Lives Here
Census & ACS county profile, 2024
Population
53,064
College (BA+)
36%
Median income
$48,763
2024 dollars
Non-white
29%
Rural
41%
Age 65+
17%
Interpolated between Census/ACS anchors; income CPI-deflated to 2024. Demographics begin in 2000 — earlier cycles have returns only.
Neighbouring counties
Franklin, IL · Perry, IL · Randolph, IL · Union, IL · Williamson, IL · Perry, MO