Lamar is located in Barton county Missouri with a geographic area of 5.2 square miles. The total population in Lamar is 4,284 with 47.5% male and 52.5% female. Children under age 5 represent 4.9% of the population, under age 18 equal 20.1% of the population and over age 65 is 17.8% of the population. The median household income is $32,574, per capita income is $19,513. There are a total of 1,845 housing units with 48.0% owner occupied. Education includes 37.4% of residents that are high school graduates and 17.9% with a bachelor's degree or higher. The average temperature in Lamar in the summer is 77 degrees, and in the winter 32 degrees.
