Mountain brook is located in Jefferson county Alabama with a geographic area of 12.8 square miles. The total population in Mountain brook is 20,178 with 47.7% male and 52.3% female. Children under age 5 represent 8.2% of the population, under age 18 equal 28.6% of the population and over age 65 is 19.1% of the population. The median household income is $152,646, per capita income is $92,453. There are a total of 7,538 housing units with 88.0% owner occupied. Education includes 2.2% of residents that are high school graduates and 87.6% with a bachelor's degree or higher. The average temperature in Mountain brook in the summer is 77 degrees, and in the winter 43 degrees.
