Brookhaven is located in Lincoln county Mississippi with a geographic area of 21.6 square miles. The total population in Brookhaven is 12,045 with 43.5% male and 56.5% female. Children under age 5 represent 7.2% of the population, under age 18 equal 21.8% of the population and over age 65 is 17.1% of the population. The median household income is $31,488, per capita income is $23,542. There are a total of 4,968 housing units with 58.7% owner occupied. Education includes 22.2% of residents that are high school graduates and 21.1% with a bachelor's degree or higher. The average temperature in Brookhaven in the summer is 80 degrees, and in the winter 44 degrees.