Houlton is located in northeast Maine. Houlton is part of Aroostook County. Houlton has 5.25 square miles of land area and has no water area. As of 2010-2014, the total Houlton population is 4,840, which has shrunk 8.16% 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%. Houlton median household income is $34,435 in 2010-2014 and has grown by 36.85% 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%. Houlton median house value is $92,400 in 2010-2014 and has grown by 57.14% since 2000. The house value growth rate is lower than the state average rate of 75.89% 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 Houlton is better than the state average in quality. The Houlton area code is 207.