Portland is located close to the center of Connecticut. Portland is part of Middlesex County. Portland has 5.67 square miles of land area and 0.48 square miles of water area. As of 2010-2014, the total Portland population is 5,634, which has grown 1.81% since 2000. The population growth rate is lower than the state average rate of 5.48% and is much lower than the national average rate of 11.61%. Portland median household income is $69,907 in 2010-2014 and has grown by 24.95% since 2000. The income growth rate is lower than the state average rate of 29.60% and is lower than the national average rate of 27.36%. Portland median house value is $233,200 in 2010-2014 and has grown by 66.45% since 2000. The house value growth rate is about the same as the state average rate of 64.47% 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 Portland is better than the state average in quality. The Portland area code is 860.