Rockland is located in south Maine. Rockland is part of Knox County. Rockland has 12.84 square miles of land area and 2.23 square miles of water area. As of 2010-2014, the total Rockland population is 7,241, which has shrunk 4.84% since 2000. The population growth rate is much lower than the state average rate of 4.21% and is much lower than the national average rate of 11.61%. Rockland median household income is $41,095 in 2010-2014 and has grown by 36.04% since 2000. The income growth rate is higher than the state average rate of 31.05% and is higher than the national average rate of 27.36%. Rockland median house value is $152,000 in 2010-2014 and has grown by 84.47% since 2000. The house value growth rate is higher than the state average rate of 75.89% 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 Rockland is close to the state average in quality. The Rockland area code is 207.