Union, IL
Population 753 · Illinois
About Union, IL
Union is a small community in Illinois with a population of 753 residents. The median household income is $100,104 per year, which is above the national average. The median age in Union is 38.1 years.
Housing in Union has a median home value of $224,600 and median monthly rent of $0. Of the 313 total housing units, the majority are owner-occupied, with 268 owner-occupied and 31 renter-occupied units.
The unemployment rate in Union is 3.4% and the poverty rate is 4.2%. 15.7% of residents hold a bachelor's degree or higher. The average commute time is 30.8 minutes.
Cost of Living in Union, IL
Compared to national averages, Union has a median household income of $100,104 (33% above the national median of $75,149). Home values average $224,600, which is 8% below the national median. Monthly rent at $0 is 100% below the US average of $1,163. Within Illinois, Union's income is 33% above the state average of $75,072, and home values are 35% above the state median of $165,779.
Why Live in Union, IL?
Union offers a strong local economy with a median household income of $100,104, well above the national average, and affordable housing with a median home value of $224,600, below the US average of $244,900, and rent that’s lower than the national average at $0/month. Additionally, the city features a strong job market with an unemployment rate of just 3.4%, and a low poverty rate of 4.2%, better than the national average.
Union has a population of 753 with a median age of 38.1 years. Compare Union with other cities to see how it stacks up, or explore all cities in Illinois.
Similar Cities Near Union
Cities in Illinois with a similar population size.
| City | Population | Median Income | Home Value | |
|---|---|---|---|---|
| Junction City | 753 | $53,333 | $71,300 | Compare |
| Golconda | 755 | $41,250 | $85,000 | Compare |
| Ashmore | 750 | $57,361 | $87,100 | Compare |
| Farmersville | 756 | $59,297 | $113,500 | Compare |
| Mound City | 756 | $39,808 | $43,900 | Compare |
| Shabbona | 756 | $75,375 | $180,400 | Compare |
| Crossville | 749 | $40,682 | $61,300 | Compare |
| Mechanicsburg | 748 | $77,422 | $206,300 | Compare |
Demographics
Racial & Ethnic Composition
Economy & Education
Housing
Other Cities in Illinois
Data source: US Census Bureau ACS 5-Year Estimates. Last updated: 2026-04-05.
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Frequently Asked Questions about Union
What is the population of Union, IL?
The population of Union, IL is 753 according to the latest Census data.
What is the median household income in Union?
The median household income in Union, IL is $100,104 per year.
What is the median home value in Union?
The median home value in Union, IL is $224,600.
What is the average rent in Union?
The median monthly rent in Union, IL is $0.
What is the unemployment rate in Union?
The unemployment rate in Union, IL is 3.4%.