Midfield is located in Jefferson county Alabama with a geographic area of 2.7 square miles. The total population in Midfield is 4,984 with 42.7% male and 57.3% female. Children under age 5 represent 4.6% of the population, under age 18 equal 25.1% of the population and over age 65 is 12.4% of the population. The median household income is $43,219, per capita income is $20,303. There are a total of 1,968 housing units with 58.4% owner occupied. Education includes 42.0% of residents that are high school graduates and 15.8% with a bachelor's degree or higher. The average temperature in Midfield in the summer is 77 degrees, and in the winter 43 degrees.