Oswego is located in north Illinois. Oswego is between the Kendall, Kane, Will county. Oswego has 15.53 square miles of land area and 0.11 square miles of water area. As of 2010-2014, the total Oswego population is 31,723, which has grown 138.05% since 2000. The population growth rate is much higher than the state average rate of 3.62% and is much higher than the national average rate of 11.61%. Oswego median household income is $97,323 in 2010-2014 and has grown by 36.11% since 2000. The income growth rate is much higher than the state average rate of 22.70% and is higher than the national average rate of 27.36%. Oswego median house value is $227,100 in 2010-2014 and has grown by 32.65% since 2000. The house value growth rate is lower than the state average rate of 34.33% and is lower than the national average rate of 46.91%. As a reference, the national Consumer Price Index (CPI) inflation rate for the same period is 26.63%. On average, the public school district that covers Oswego is better than the state average in quality. The Oswego area code is 630.