Plains is located in Luzerne county Pennsylvania with a geographic area of 1.3 square miles. The total population in Plains is 3,958 with 45.4% male and 54.6% female. Children under age 5 represent 2.0% of the population, under age 18 equal 11.0% of the population and over age 65 is 25.7% of the population. The median household income is $53,750, per capita income is $29,953. There are a total of 1,883 housing units with 71.4% owner occupied. Education includes 40.1% of residents that are high school graduates and 19.9% with a bachelor's degree or higher. The average temperature in Plains in the summer is 73 degrees, and in the winter 33 degrees.
