Brewer is located in Penobscot county Maine with a geographic area of 15.2 square miles. The total population in Brewer is 9,026 with 49.4% male and 50.6% female. Children under age 5 represent 5.6% of the population, under age 18 equal 22.5% of the population and over age 65 is 17.4% of the population. The median household income is $48,450, per capita income is $28,944. There are a total of 3,891 housing units with 59.7% owner occupied. Education includes 24.3% of residents that are high school graduates and 26.3% with a bachelor's degree or higher. The average temperature in Brewer in the summer is 67 degrees, and in the winter 25 degrees.