Fort smith is located in Sebastian county Arkansas with a geographic area of 64.0 square miles. The total population in Fort smith is 87,788 with 49.3% male and 50.7% female. Children under age 5 represent 6.9% of the population, under age 18 equal 23.8% of the population and over age 65 is 14.9% of the population. The median household income is $45,233, per capita income is $29,099. There are a total of 36,347 housing units with 50.6% owner occupied. Education includes 27.3% of residents that are high school graduates and 24.1% with a bachelor's degree or higher. The average temperature in Fort smith in the summer is 80 degrees, and in the winter 37 degrees.