Bath is located in Sagadahoc county Maine with a geographic area of 9.1 square miles. The total population in Bath is 8,333 with 49.6% male and 50.4% female. Children under age 5 represent 6.3% of the population, under age 18 equal 21.1% of the population and over age 65 is 22.4% of the population. The median household income is $55,396, per capita income is $31,503. There are a total of 3,879 housing units with 59.6% owner occupied. Education includes 29.1% of residents that are high school graduates and 33.3% with a bachelor's degree or higher. The average temperature in Bath in the summer is 67 degrees, and in the winter 25 degrees.
