Houston is located in Washington county Pennsylvania with a geographic area of 0.4 square miles. The total population in Houston is 1,260 with 47.3% male and 52.7% female. Children under age 5 represent 7.5% of the population, under age 18 equal 20.2% of the population and over age 65 is 21.4% of the population. The median household income is $56,563, per capita income is $29,474. There are a total of 602 housing units with 61.6% owner occupied. Education includes 50.3% of residents that are high school graduates and 15.6% with a bachelor's degree or higher. The average temperature in Houston in the summer is 73 degrees, and in the winter 33 degrees.