Oviedo is located close to the center of Florida. Oviedo is part of Seminole County. Oviedo has 15.21 square miles of land area and 0.29 square miles of water area. As of 2010-2014, the total Oviedo population is 35,602, which has grown 35.29% since 2000. The population growth rate is much higher than the state average rate of 21.14% and is much higher than the national average rate of 11.61%. Oviedo median household income is $82,259 in 2010-2014 and has grown by 28.29% since 2000. The income growth rate is higher than the state average rate of 21.62% and is about the same as the national average rate of 27.36%. Oviedo median house value is $222,900 in 2010-2014 and has grown by 69.76% since 2000. The house value growth rate is higher than the state average rate of 48.06% and is higher 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 Oviedo is much better than the state average in quality. The Oviedo area codes are 321, 407.