Clayton, IL
Population 597 · Illinois
About Clayton, IL
Clayton is a small community in Illinois with a population of 597 residents. The median household income is $63,438 per year, which is near the national average. The median age in Clayton is 49.8 years.
Housing in Clayton has a median home value of $90,000 and median monthly rent of $578. Of the 321 total housing units, the majority are owner-occupied, with 196 owner-occupied and 71 renter-occupied units.
The unemployment rate in Clayton is 5.0% and the poverty rate is 11.5%. 5.5% of residents hold a bachelor's degree or higher. The average commute time is 25.7 minutes.
Cost of Living in Clayton, IL
Compared to national averages, Clayton has a median household income of $63,438 (16% below the national median of $75,149). Home values average $90,000, which is 63% below the national median. Monthly rent at $578 is 50% below the US average of $1,163. Within Illinois, Clayton's income is 15% below the state average of $75,072, and home values are 46% below the state median of $165,779.
Why Live in Clayton, IL?
Clayton offers affordable housing with a median home value of $90,000, below the US average of $244,900, and rent that’s lower than the national average at $578/month, and a low poverty rate of 11.5%, better than the national average.
Potential considerations include median household income ($63,438) that falls below the national average. However, Clayton’s smaller community size offers a quieter lifestyle and tight-knit neighborhoods.
Clayton has a population of 597 with a median age of 49.8 years. Compare Clayton with other cities to see how it stacks up, or explore all cities in Illinois.
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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 Clayton
What is the population of Clayton, IL?
The population of Clayton, IL is 597 according to the latest Census data.
What is the median household income in Clayton?
The median household income in Clayton, IL is $63,438 per year.
What is the median home value in Clayton?
The median home value in Clayton, IL is $90,000.
What is the average rent in Clayton?
The median monthly rent in Clayton, IL is $578.
What is the unemployment rate in Clayton?
The unemployment rate in Clayton, IL is 5.0%.