Rocklin is located in northwest California. Rocklin is part of Placer County. Rocklin has 19.54 square miles of land area and 0.05 square miles of water area. As of 2010-2014, the total Rocklin population is 59,002, which has grown 62.41% 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%. Rocklin median household income is $79,274 in 2010-2014 and has grown by 22.46% since 2000. The income growth rate is lower than the state average rate of 29.47% and is lower than the national average rate of 27.36%. Rocklin median house value is $336,900 in 2010-2014 and has grown by 58.09% 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 Rocklin is much better than the state average in quality. The Rocklin area code is 916.