Oswego, IL
Population 35,463 · Illinois
About Oswego, IL
Oswego is a mid-sized city in Illinois with a population of 35,463 residents. The median household income is $119,881 per year, which is above the national average. The median age in Oswego is 39.7 years.
Housing in Oswego has a median home value of $319,000 and median monthly rent of $1,823. Of the 12,198 total housing units, the majority are owner-occupied, with 10,609 owner-occupied and 1,488 renter-occupied units.
The unemployment rate in Oswego is 2.7% and the poverty rate is 2.3%. 43.5% of residents hold a bachelor's degree or higher. The average commute time is 30.5 minutes.
Cost of Living in Oswego, IL
Compared to national averages, Oswego has a median household income of $119,881 (60% above the national median of $75,149). Home values average $319,000, which is 30% above the national median. Monthly rent at $1,823 is 57% above the US average of $1,163. Within Illinois, Oswego's income is 60% above the state average of $75,072, and home values are 92% above the state median of $165,779.
Why Live in Oswego, IL?
Oswego offers a strong local economy with a median household income of $119,881, well above the national average, and a strong job market with an unemployment rate of just 2.7%, and a well-educated community where 43.5% of residents hold a bachelor’s degree or higher. Additionally, the city features a low poverty rate of 2.3%, better than the national average.
Oswego has a population of 35,463 with a median age of 39.7 years. Compare Oswego with other cities to see how it stacks up, or explore all cities in Illinois.
Similar Cities Near Oswego
Cities in Illinois with a similar population size.
| City | Population | Median Income | Home Value | |
|---|---|---|---|---|
| Addison | 35,470 | $87,587 | $318,000 | Compare |
| Calumet City | 35,253 | $53,991 | $133,600 | Compare |
| Northbrook | 34,642 | $155,321 | $644,100 | Compare |
| Rock Island | 36,758 | $57,292 | $118,400 | Compare |
| Hanover Park | 36,850 | $92,263 | $260,900 | Compare |
| Woodridge | 33,889 | $97,263 | $345,200 | Compare |
| Carpentersville | 37,544 | $86,327 | $225,200 | Compare |
| Glendale Heights | 32,864 | $82,232 | $249,000 | 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 Oswego
What is the population of Oswego, IL?
The population of Oswego, IL is 35,463 according to the latest Census data.
What is the median household income in Oswego?
The median household income in Oswego, IL is $119,881 per year.
What is the median home value in Oswego?
The median home value in Oswego, IL is $319,000.
What is the average rent in Oswego?
The median monthly rent in Oswego, IL is $1,823.
What is the unemployment rate in Oswego?
The unemployment rate in Oswego, IL is 2.7%.