Assumption, IL
Population 1,117 · Illinois
About Assumption, IL
Assumption is a small community in Illinois with a population of 1,117 residents. The median household income is $55,764 per year, which is near the national average. The median age in Assumption is 34.3 years.
Housing in Assumption has a median home value of $72,100 and median monthly rent of $646. Of the 605 total housing units, the majority are owner-occupied, with 316 owner-occupied and 201 renter-occupied units.
The unemployment rate in Assumption is 11.8% and the poverty rate is 11.3%. 14.8% of residents hold a bachelor's degree or higher. The average commute time is 20.8 minutes.
Cost of Living in Assumption, IL
Compared to national averages, Assumption has a median household income of $55,764 (26% below the national median of $75,149). Home values average $72,100, which is 71% below the national median. Monthly rent at $646 is 44% below the US average of $1,163. Within Illinois, Assumption's income is 26% below the state average of $75,072, and home values are 57% below the state median of $165,779.
Why Live in Assumption, IL?
Assumption offers affordable housing with a median home value of $72,100, below the US average of $244,900, and rent that’s lower than the national average at $646/month, and a low poverty rate of 11.3%, better than the national average. Additionally, the city features short commute times averaging just 20.8 minutes.
Potential considerations include median household income ($55,764) that falls below the national average. However, Assumption’s smaller community size offers a quieter lifestyle and tight-knit neighborhoods.
Assumption has a population of 1,117 with a median age of 34.3 years. Compare Assumption with other cities to see how it stacks up, or explore all cities in Illinois.
Similar Cities Near Assumption
Cities in Illinois with a similar population size.
| City | Population | Median Income | Home Value | |
|---|---|---|---|---|
| Lovington | 1,120 | $54,394 | $90,400 | Compare |
| Bull Valley | 1,121 | $185,417 | $460,700 | Compare |
| East Hazel Crest | 1,122 | $57,000 | $168,800 | Compare |
| Central City | 1,123 | $47,750 | $43,900 | Compare |
| Bannockburn | 1,125 | $195,625 | $1,110,800 | Compare |
| Valmeyer | 1,109 | $93,472 | $208,600 | Compare |
| Stronghurst | 1,106 | $80,556 | $104,400 | Compare |
| Homer | 1,130 | $75,833 | $125,700 | 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 Assumption
What is the population of Assumption, IL?
The population of Assumption, IL is 1,117 according to the latest Census data.
What is the median household income in Assumption?
The median household income in Assumption, IL is $55,764 per year.
What is the median home value in Assumption?
The median home value in Assumption, IL is $72,100.
What is the average rent in Assumption?
The median monthly rent in Assumption, IL is $646.
What is the unemployment rate in Assumption?
The unemployment rate in Assumption, IL is 11.8%.