Greenville is located in Mercer county Pennsylvania with a geographic area of 1.9 square miles. The total population in Greenville is 5,347 with 46.5% male and 53.5% female. Children under age 5 represent 8.8% of the population, under age 18 equal 21.6% of the population and over age 65 is 14.2% of the population. The median household income is $49,125, per capita income is $22,989. There are a total of 1,969 housing units with 55.3% owner occupied. Education includes 39.8% of residents that are high school graduates and 18.9% with a bachelor's degree or higher. The average temperature in Greenville in the summer is 73 degrees, and in the winter 33 degrees.
