Quentin is located in Lebanon county Pennsylvania with a geographic area of 1.1 square miles. The total population in Quentin is 737 with 52.5% male and 47.5% female. Children under age 5 represent 2.6% of the population, under age 18 equal 18.0% of the population and over age 65 is 17.4% of the population. The median household income is $67,568, per capita income is $32,134. There are a total of 344 housing units with 88.4% owner occupied. Education includes 36.6% of residents that are high school graduates and 24.1% with a bachelor's degree or higher. The average temperature in Quentin in the summer is 73 degrees, and in the winter 33 degrees.