← Back to Battleground Map
Illinois·IL·FIPS 17181
Union County
Voted Republican in 2024 · 8,226 votes cast
About Union County
Union County is a county located in the U.S. state of Illinois. According to the 2020 United States census, it had a population of 17,244. Its county seat is Jonesboro. It is located in the southern portion of Illinois known locally as "Little Egypt".
Read more on Wikipedia →Total Votes (2024)
8,226
Winner Margin
R+43.2
Turnout Change
-7.4%
2020→2024 Swing
R+2.9
2024 Presidential Results
All candidates · Union County, Illinois
Donald J Trump(Republican)
71.0%5,837
Won by 3,552 votes
Kamala D Harris(Democrat)
27.8%2,285
Other(Other)
1.3%104
Chase Oliver(Libertarian)
0.0%0
Margin History
Red = Republican, Blue = Democratic
2024R+43.2
2020R+40.3
2016R+39.7
🔴
Swung Right in 2024
Union County shifted 2.9 points toward Republicans compared to 2020. Voter turnout decreased by 7.4%.
What does Union County really think?
Elections happen once every 4 years. On constitution.vote, your voice is heard every day. Join the assembly and vote on the issues that matter to Illinois.
Election data: MIT Election Data Science Lab, Harvard Dataverse (CC BY 4.0)