Question 1

How did Union, Illinois vote in the 2024 presidential election?

Accepted Answer

Union, Illinois voted Republican in 2024 with a margin of R+43.2. Kamala D Harris received 2,285 votes and Donald Trump received 5,837 out of 8,226 total votes cast, a 3.0-point shift toward Republicans from 2020.

Question 2

What is Union, Illinois's political history?

Accepted Answer

Union, Illinois has 40 presidential elections on record, spanning 1868 to 2024. It has voted Republican in every presidential election since 2000. The largest single-election swing was 36.1 points in 1976.

Question 3

What are the demographics of Union, Illinois?

Accepted Answer

Union, Illinois has a population of 16,997 according to the 2020 Census. The racial composition is 89.5% non-Hispanic white, 5.5% Hispanic. About 21% of residents hold a bachelor's degree or higher. Median household income is $55,728.

Question 4

Which places are most similar to Union, Illinois?

Accepted Answer

Based on demographic and electoral similarity analysis, the three most similar countys to Union, Illinois are Greenbrier, Randolph, Trigg. Similarity is computed using a vector embedding of demographic, economic, and electoral characteristics.

Union County, Illinois

2008 → 2024

Census race profile

Census ACS, 5-year

Religion Census, ACS B16001

Current Illinois Polling

2026 Illinois Senate Democratic Primary

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