Susanville is located in north California. Susanville is part of Lassen County. Susanville has 7.93 square miles of land area and 0.09 square miles of water area. As of 2010-2014, the total Susanville population is 16,537, which has grown 22.13% 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%. Susanville median household income is $49,430 in 2010-2014 and has grown by 38.56% 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%. Susanville median house value is $166,200 in 2010-2014 and has grown by 60.12% 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 Susanville is close to the state average in quality. The Susanville area code is 530.