Kaplan is located in Vermilion county Louisiana with a geographic area of 2.3 square miles. The total population in Kaplan is 4,463 with 48.2% male and 51.8% female. Children under age 5 represent 9.0% of the population, under age 18 equal 24.2% of the population and over age 65 is 22.4% of the population. The median household income is $32,045, per capita income is $21,744. There are a total of 1,814 housing units with 56.2% owner occupied. Education includes 54.5% of residents that are high school graduates and 12.5% with a bachelor's degree or higher. The average temperature in Kaplan in the summer is 81 degrees, and in the winter 51 degrees.