Oak Forest, IL
Population 26,888 · Illinois
About Oak Forest, IL
Oak Forest is a mid-sized city in Illinois with a population of 26,888 residents. The median household income is $87,941 per year, which is above the national average. The median age in Oak Forest is 40.3 years.
Housing in Oak Forest has a median home value of $247,800 and median monthly rent of $1,287. Of the 10,732 total housing units, the majority are owner-occupied, with 8,242 owner-occupied and 2,115 renter-occupied units.
The unemployment rate in Oak Forest is 5.2% and the poverty rate is 5.4%. 30.1% of residents hold a bachelor's degree or higher. The average commute time is 31.1 minutes.
Cost of Living in Oak Forest, IL
Compared to national averages, Oak Forest has a median household income of $87,941 (17% above the national median of $75,149). Home values average $247,800, which is 1% above the national median. Monthly rent at $1,287 is 11% above the US average of $1,163. Within Illinois, Oak Forest's income is 17% above the state average of $75,072, and home values are 49% above the state median of $165,779.
Why Live in Oak Forest, IL?
Oak Forest offers a strong local economy with a median household income of $87,941, well above the national average, and a low poverty rate of 5.4%, better than the national average.
Oak Forest has a population of 26,888 with a median age of 40.3 years. Compare Oak Forest with other cities to see how it stacks up, or explore all cities in Illinois.
Similar Cities Near Oak Forest
Cities in Illinois with a similar population size.
| City | Population | Median Income | Home Value | |
|---|---|---|---|---|
| Chicago Heights | 26,938 | $57,479 | $149,900 | Compare |
| Vernon Hills | 26,772 | $120,625 | $384,800 | Compare |
| Batavia | 26,730 | $119,167 | $358,000 | Compare |
| Round Lake Beach | 27,081 | $86,632 | $191,200 | Compare |
| Granite City | 26,670 | $60,490 | $99,800 | Compare |
| Edwardsville | 26,543 | $92,671 | $286,700 | Compare |
| New Lenox | 27,456 | $133,071 | $377,500 | Compare |
| Woodstock | 26,316 | $83,293 | $231,100 | 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 Oak Forest
What is the population of Oak Forest, IL?
The population of Oak Forest, IL is 26,888 according to the latest Census data.
What is the median household income in Oak Forest?
The median household income in Oak Forest, IL is $87,941 per year.
What is the median home value in Oak Forest?
The median home value in Oak Forest, IL is $247,800.
What is the average rent in Oak Forest?
The median monthly rent in Oak Forest, IL is $1,287.
What is the unemployment rate in Oak Forest?
The unemployment rate in Oak Forest, IL is 5.2%.