Berwick is located in Columbia county Pennsylvania with a geographic area of 3.1 square miles. The total population in Berwick is 10,003 with 51.0% male and 49.0% female. Children under age 5 represent 3.8% of the population, under age 18 equal 16.9% of the population and over age 65 is 20.3% of the population. The median household income is $42,424, per capita income is $25,379. There are a total of 4,529 housing units with 60.8% owner occupied. Education includes 42.2% of residents that are high school graduates and 20.6% with a bachelor's degree or higher. The average temperature in Berwick in the summer is 73 degrees, and in the winter 33 degrees.
