Roby is located in Fisher county Texas with a geographic area of 0.7 square miles. The total population in Roby is 799 with 54.8% male and 45.2% female. Children under age 5 represent 4.9% of the population, under age 18 equal 28.5% of the population and over age 65 is 13.3% of the population. The median household income is $54,122, per capita income is $25,674. There are a total of 306 housing units with 86.9% owner occupied. Education includes 47.7% of residents that are high school graduates and 15.7% with a bachelor's degree or higher. The average temperature in Roby in the summer is 80 degrees, and in the winter 49 degrees.