County record · fips 17109 · Illinois
McDonoughIL
Republican ×4 since 2012all 40 elections, 1868–2024
The Long Record
40 elections against the Illinois and national vote
2024 result
R+19.2
won by Republicans
Record since first cycle
5–34
Dem–Rep two-party wins · 1 exact tie
Voted with the winner
28/39
72% of its elections
Closest election
1884
D+0.0
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 | +96.6 pts | Democrats |
| 1872 | -95.2 pts | Republicans |
| 1932 | +46.3 pts | Democrats |
| 1916 | -33.6 pts | Republicans |
| 1968 | -32.5 pts | Republicans |
Who Lives Here
Census & ACS county profile, 2024
Population
26,920
College (BA+)
31%
Median income
$52,795
2024 dollars
Non-white
15%
Rural
43%
Age 65+
19%
Interpolated between Census/ACS anchors; income CPI-deflated to 2024. Demographics begin in 2000 — earlier cycles have returns only.
Neighbouring counties
Fulton, IL · Hancock, IL · Henderson, IL · Schuyler, IL · Warren, IL