Ehrhardt is located in Bamberg county South carolina with a geographic area of 3.1 square miles. The total population in Ehrhardt is 444 with 38.3% male and 61.7% female. Children under age 5 represent 2.3% of the population, under age 18 equal 3.2% of the population and over age 65 is 51.6% of the population. The median household income is $29,526, per capita income is $18,108. There are a total of 243 housing units with 78.2% owner occupied. Education includes 26.7% of residents that are high school graduates and 18.9% with a bachelor's degree or higher. The average temperature in Ehrhardt in the summer is 77 degrees, and in the winter 43 degrees.