Hartman is located in Johnson county Arkansas with a geographic area of 1.6 square miles. The total population in Hartman is 558 with 47.3% male and 52.7% female. Children under age 5 represent 4.5% of the population, under age 18 equal 27.4% of the population and over age 65 is 19.4% of the population. The median household income is $33,250, per capita income is $12,975. There are a total of 201 housing units with 85.1% owner occupied. Education includes 56.2% of residents that are high school graduates and 2.5% with a bachelor's degree or higher. The average temperature in Hartman in the summer is 79 degrees, and in the winter 37 degrees.
