Mckenzie is located in Butler county Alabama with a geographic area of 3.7 square miles. The total population in Mckenzie is 790 with 55.1% male and 44.9% female. Children under age 5 represent 7.3% of the population, under age 18 equal 37.2% of the population and over age 65 is 19.5% of the population. The median household income is $30,000, per capita income is $16,603. There are a total of 292 housing units with 68.5% owner occupied. Education includes 26.7% of residents that are high school graduates and 17.8% with a bachelor's degree or higher. The average temperature in Mckenzie in the summer is 77 degrees, and in the winter 43 degrees.