Owatonna is located in south Minnesota. Owatonna is part of Steele County. Owatonna has 14.53 square miles of land area and 0.08 square miles of water area. As of 2010-2014, the total Owatonna population is 25,550, which has grown 13.89% since 2000. The population growth rate is higher than the state average rate of 9.44% and is higher than the national average rate of 11.61%. Owatonna median household income is $52,790 in 2010-2014 and has grown by 15.62% since 2000. The income growth rate is much lower than the state average rate of 29.12% and is much lower than the national average rate of 27.36%. Owatonna median house value is $146,400 in 2010-2014 and has grown by 40.77% since 2000. The house value growth rate is lower than the state average rate of 51.31% 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 Owatonna is better than the state average in quality. The Owatonna area code is 507.