Westbrook is located in southwest Maine. Westbrook is part of Cumberland County. Westbrook has 17.12 square miles of land area and 0.21 square miles of water area. As of 2010-2014, the total Westbrook population is 17,662, which has grown 9.42% since 2000. The population growth rate is much higher than the state average rate of 4.21% and is lower than the national average rate of 11.61%. Westbrook median household income is $45,041 in 2010-2014 and has grown by 18.93% since 2000. The income growth rate is much lower than the state average rate of 31.05% and is lower than the national average rate of 27.36%. Westbrook median house value is $196,000 in 2010-2014 and has grown by 76.58% since 2000. The house value growth rate is about the same as 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 Westbrook is close to the state average in quality. The Westbrook area code is 207.