County record · fips 17143 · Illinois
PeoriaIL
Democratic ×9 since 1992all 40 elections, 1868–2024
The Long Record
40 elections against the Illinois and national vote
2024 result
D+4.7
won by Democrats
Record since first cycle
21–19
Dem–Rep two-party wins
Voted with the winner
28/40
70% of its elections
Closest election
2004
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 | +102.3 pts | Democrats |
| 1872 | -95.1 pts | Republicans |
| 1912 | +62.4 pts | Democrats |
| 1916 | -52.4 pts | Republicans |
| 1928 | +45.3 pts | Democrats |
Who Lives Here
Census & ACS county profile, 2024
Population
179,645
College (BA+)
35%
Median income
$65,108
2024 dollars
Non-white
34%
Rural
17%
Age 65+
18%
Interpolated between Census/ACS anchors; income CPI-deflated to 2024. Demographics begin in 2000 — earlier cycles have returns only.
Neighbouring counties
Fulton, IL · Knox, IL · Marshall, IL · Stark, IL · Tazewell, IL · Woodford, IL