Oakland is located in west California. Oakland is part of Alameda County. Oakland has 55.79 square miles of land area and 22.22 square miles of water area. As of 2010-2014, the total Oakland population is 402,339, which has grown 0.71% since 2000. The population growth rate is much lower than the state average rate of 12.39% and is much lower than the national average rate of 11.61%. Oakland median household income is $52,962 in 2010-2014 and has grown by 32.22% since 2000. The income growth rate is higher than the state average rate of 29.47% and is higher than the national average rate of 27.36%. Oakland median house value is $435,000 in 2010-2014 and has grown by 84.71% since 2000. The house value growth rate is higher than the state average rate of 75.60% and is much 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 Oakland is worse than the state average in quality. The Oakland area codes are 415, 510, 650, 925.