Oswego is located in Kendall County, IL. The population is 31,332, making Oswego the largest city in Kendall County.
There are 17 public schools in Oswego with an average Homefacts rating of B+. The total crime rate for Oswego is low , and there are 17 registered sex offenders residing in the city. Unemployment in Oswego is moderate and the median home sales price is $0. Detailed and up-to-date Oswego property reports are available for any property address.