Columbia, IL
Population 11,063 · Illinois
About Columbia, IL
Columbia is a mid-sized city in Illinois with a population of 11,063 residents. The median household income is $107,922 per year, which is above the national average. The median age in Columbia is 39.9 years.
Housing in Columbia has a median home value of $290,100 and median monthly rent of $1,089. Of the 4,743 total housing units, the majority are owner-occupied, with 3,652 owner-occupied and 805 renter-occupied units.
The unemployment rate in Columbia is 1.0% and the poverty rate is 5.0%. 51.0% of residents hold a bachelor's degree or higher. The average commute time is 26 minutes.
How Columbia Ranks in Illinois
Cost of Living in Columbia, IL
Compared to national averages, Columbia has a median household income of $107,922 (44% above the national median of $75,149). Home values average $290,100, which is 18% above the national median. Monthly rent at $1,089 is 6% below the US average of $1,163. Within Illinois, Columbia's income is 44% above the state average of $75,072, and home values are 75% above the state median of $165,779.
Why Live in Columbia, IL?
Columbia offers a strong local economy with a median household income of $107,922, well above the national average, and rent that’s lower than the national average at $1,089/month, and a strong job market with an unemployment rate of just 1.0%. Additionally, the city features a well-educated community where 51.0% of residents hold a bachelor’s degree or higher, and a low poverty rate of 5.0%, better than the national average.
Columbia has a population of 11,063 with a median age of 39.9 years. Compare Columbia with other cities to see how it stacks up, or explore all cities in Illinois.
Similar Cities Near Columbia
Cities in Illinois with a similar population size.
| City | Population | Median Income | Home Value | |
|---|---|---|---|---|
| Waterloo | 11,055 | $92,005 | $237,900 | Compare |
| Barrington | 11,049 | $150,714 | $580,900 | Compare |
| Burr Ridge | 11,119 | $154,508 | $694,800 | Compare |
| Taylorville | 11,149 | $52,720 | $106,300 | Compare |
| Summit | 10,896 | $60,417 | $224,800 | Compare |
| Troy | 10,889 | $97,825 | $240,800 | Compare |
| Roscoe | 10,881 | $97,704 | $215,200 | Compare |
| Fox Lake | 10,872 | $69,896 | $219,300 | 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 Columbia
What is the population of Columbia, IL?
The population of Columbia, IL is 11,063 according to the latest Census data.
What is the median household income in Columbia?
The median household income in Columbia, IL is $107,922 per year.
What is the median home value in Columbia?
The median home value in Columbia, IL is $290,100.
What is the average rent in Columbia?
The median monthly rent in Columbia, IL is $1,089.
What is the unemployment rate in Columbia?
The unemployment rate in Columbia, IL is 1.0%.