Erath is located in Vermilion county Louisiana with a geographic area of 1.8 square miles. The total population in Erath is 2,286 with 49.5% male and 50.5% female. Children under age 5 represent 5.5% of the population, under age 18 equal 28.9% of the population and over age 65 is 11.8% of the population. The median household income is $37,198, per capita income is $21,988. There are a total of 897 housing units with 59.4% owner occupied. Education includes 36.7% of residents that are high school graduates and 21.6% with a bachelor's degree or higher. The average temperature in Erath in the summer is 81 degrees, and in the winter 51 degrees.