New carrollton is located in Prince george's county Maryland with a geographic area of 1.6 square miles. The total population in New carrollton is 12,925 with 49.5% male and 50.5% female. Children under age 5 represent 6.3% of the population, under age 18 equal 24.0% of the population and over age 65 is 11.6% of the population. The median household income is $70,776, per capita income is $29,554. There are a total of 4,250 housing units with 52.4% owner occupied. Education includes 24.2% of residents that are high school graduates and 28.5% with a bachelor's degree or higher. The average temperature in New carrollton in the summer is 74 degrees, and in the winter 37 degrees.