Dublin is located in Erath county Texas with a geographic area of 3.6 square miles. The total population in Dublin is 3,550 with 60.0% male and 40.0% female. Children under age 5 represent 10.4% of the population, under age 18 equal 26.1% of the population and over age 65 is 13.9% of the population. The median household income is $49,191, per capita income is $26,163. There are a total of 1,025 housing units with 85.2% owner occupied. Education includes 26.2% of residents that are high school graduates and 18.7% with a bachelor's degree or higher. The average temperature in Dublin in the summer is 80 degrees, and in the winter 49 degrees.
