Nemacolin is located in Greene county Pennsylvania with a geographic area of 1.4 square miles. The total population in Nemacolin is 943 with 45.6% male and 54.4% female. Children under age 5 represent 3.1% of the population, under age 18 equal 32.1% of the population and over age 65 is 5.6% of the population. The median household income is $58,342, per capita income is $16,262. There are a total of 373 housing units with 55.2% owner occupied. Education includes 25.2% of residents that are high school graduates and 2.1% with a bachelor's degree or higher. The average temperature in Nemacolin in the summer is 73 degrees, and in the winter 33 degrees.