Mcmurray is located in Washington county Pennsylvania with a geographic area of 3.1 square miles. The total population in Mcmurray is 4,167 with 46.8% male and 53.2% female. Children under age 5 represent 8.8% of the population, under age 18 equal 26.2% of the population and over age 65 is 15.7% of the population. The median household income is $142,000, per capita income is $62,685. There are a total of 1,416 housing units with 98.3% owner occupied. Education includes 19.5% of residents that are high school graduates and 56.0% with a bachelor's degree or higher. The average temperature in Mcmurray in the summer is 73 degrees, and in the winter 33 degrees.