Hemphill is located in Sabine county Texas with a geographic area of 2.5 square miles. The total population in Hemphill is 1,341 with 46.0% male and 54.0% female. Children under age 5 represent 10.9% of the population, under age 18 equal 30.4% of the population and over age 65 is 16.4% of the population. The median household income is $29,688, per capita income is $15,424. There are a total of 469 housing units with 59.1% owner occupied. Education includes 29.2% of residents that are high school graduates and 17.1% with a bachelor's degree or higher. The average temperature in Hemphill in the summer is 83 degrees, and in the winter 49 degrees.