Kirbyville is located in Jasper county Texas with a geographic area of 2.4 square miles. The total population in Kirbyville is 2,519 with 47.6% male and 52.4% female. Children under age 5 represent 5.4% of the population, under age 18 equal 22.6% of the population and over age 65 is 20.3% of the population. The median household income is $23,737, per capita income is $13,892. There are a total of 972 housing units with 50.8% owner occupied. Education includes 51.4% of residents that are high school graduates and 4.8% with a bachelor's degree or higher. The average temperature in Kirbyville in the summer is 83 degrees, and in the winter 49 degrees.