Mulga is located in Jefferson county Alabama with a geographic area of 0.9 square miles. The total population in Mulga is 757 with 51.9% male and 48.1% female. Children under age 5 represent 8.1% of the population, under age 18 equal 18.8% of the population and over age 65 is 16.5% of the population. The median household income is $33,000, per capita income is $24,585. There are a total of 358 housing units with 66.2% owner occupied. Education includes 35.8% of residents that are high school graduates and 3.6% with a bachelor's degree or higher. The average temperature in Mulga in the summer is 77 degrees, and in the winter 43 degrees.