Upper marlboro is located in Prince george's county Maryland with a geographic area of 0.7 square miles. The total population in Upper marlboro is 586 with 45.1% male and 54.9% female. Children under age 5 represent 3.8% of the population, under age 18 equal 22.5% of the population and over age 65 is 5.6% of the population. The median household income is $92,500, per capita income is $46,202. There are a total of 276 housing units with 81.2% owner occupied. Education includes 18.1% of residents that are high school graduates and 53.6% with a bachelor's degree or higher. The average temperature in Upper marlboro in the summer is 74 degrees, and in the winter 37 degrees.
