Chatham, IL
Population 14,740 · Illinois
About Chatham, IL
Chatham is a mid-sized city in Illinois with a population of 14,740 residents. The median household income is $106,030 per year, which is above the national average. The median age in Chatham is 35.1 years.
Housing in Chatham has a median home value of $231,900 and median monthly rent of $1,157. Of the 5,844 total housing units, the majority are owner-occupied, with 4,476 owner-occupied and 1,145 renter-occupied units.
The unemployment rate in Chatham is 3.5% and the poverty rate is 3.7%. 49.4% of residents hold a bachelor's degree or higher. The average commute time is 23.4 minutes.
Cost of Living in Chatham, IL
Compared to national averages, Chatham has a median household income of $106,030 (41% above the national median of $75,149). Home values average $231,900, which is 5% below the national median. Monthly rent at $1,157 is 1% below the US average of $1,163. Within Illinois, Chatham's income is 41% above the state average of $75,072, and home values are 40% above the state median of $165,779.
Why Live in Chatham, IL?
Chatham offers a strong local economy with a median household income of $106,030, well above the national average, and affordable housing with a median home value of $231,900, below the US average of $244,900, and rent that’s lower than the national average at $1,157/month. Additionally, the city features a strong job market with an unemployment rate of just 3.5%, and a well-educated community where 49.4% of residents hold a bachelor’s degree or higher, and a low poverty rate of 3.7%, better than the national average, and short commute times averaging just 23.4 minutes.
Chatham has a population of 14,740 with a median age of 35.1 years. Compare Chatham with other cities to see how it stacks up, or explore all cities in Illinois.
Similar Cities Near Chatham
Cities in Illinois with a similar population size.
| City | Population | Median Income | Home Value | |
|---|---|---|---|---|
| Antioch | 14,751 | $118,635 | $299,700 | Compare |
| Hickory Hills | 14,718 | $85,541 | $278,400 | Compare |
| Morris | 14,775 | $72,357 | $244,400 | Compare |
| Sterling | 14,670 | $52,647 | $107,800 | Compare |
| Swansea | 14,603 | $84,367 | $211,700 | Compare |
| Mount Vernon | 14,492 | $52,751 | $89,700 | Compare |
| Macomb | 15,006 | $39,753 | $99,800 | Compare |
| Lindenhurst | 14,365 | $127,837 | $275,400 | 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 Chatham
What is the population of Chatham, IL?
The population of Chatham, IL is 14,740 according to the latest Census data.
What is the median household income in Chatham?
The median household income in Chatham, IL is $106,030 per year.
What is the median home value in Chatham?
The median home value in Chatham, IL is $231,900.
What is the average rent in Chatham?
The median monthly rent in Chatham, IL is $1,157.
What is the unemployment rate in Chatham?
The unemployment rate in Chatham, IL is 3.5%.