Porterville is located close to the center of California. Porterville is part of Tulare County. Porterville has 17.61 square miles of land area and 0.07 square miles of water area. As of 2010-2014, the total Porterville population is 54,949, which has grown 38.71% since 2000. The population growth rate is much higher than the state average rate of 12.39% and is much higher than the national average rate of 11.61%. Porterville median household income is $41,267 in 2010-2014 and has grown by 28.77% since 2000. The income growth rate is about the same as the state average rate of 29.47% and is higher than the national average rate of 27.36%. Porterville median house value is $146,300 in 2010-2014 and has grown by 56.47% since 2000. The house value growth rate is lower than the state average rate of 75.60% 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 Porterville is worse than the state average in quality. The Porterville area code is 559.