Lamar is located in Johnson county Arkansas with a geographic area of 4.6 square miles. The total population in Lamar is 1,696 with 44.0% male and 56.0% female. Children under age 5 represent 11.8% of the population, under age 18 equal 33.3% of the population and over age 65 is 17.6% of the population. The median household income is $37,667, per capita income is $16,487. There are a total of 584 housing units with 79.5% owner occupied. Education includes 46.1% of residents that are high school graduates and 20.5% with a bachelor's degree or higher. The average temperature in Lamar in the summer is 78 degrees, and in the winter 37 degrees.
