Oswego is a city located in Kendall County Illinois. Oswego has a 2020 population of 59,420. Oswego is currently growing at a rate of 1.42% annually and its population has increased by 16.20% since the most recent census, which recorded a population of 51,135 in 2010. Oswego reached it's highest population of 59,420 in 2021.
The average household income in Oswego is $110,943 with a poverty rate of 2.91%. The median rental costs in recent years comes to $1,549 per month, and the median house value is $237,200. The median age in Oswego is 36.5 years, 34.6 years for males, and 37.8 years for females.