Gainesville is located in Ozark county Missouri with a geographic area of 2.9 square miles. The total population in Gainesville is 584 with 37.5% male and 62.5% female. Children under age 5 represent 7.0% of the population, under age 18 equal 13.9% of the population and over age 65 is 36.5% of the population. The median household income is $14,808, per capita income is $12,519. There are a total of 300 housing units with 42.0% owner occupied. Education includes 55.0% of residents that are high school graduates and 5.3% with a bachelor's degree or higher. The average temperature in Gainesville in the summer is 77 degrees, and in the winter 32 degrees.