Berlin is located in Green lake county Wisconsin with a geographic area of 5.8 square miles. The total population in Berlin is 5,410 with 47.2% male and 52.8% female. Children under age 5 represent 5.0% of the population, under age 18 equal 25.5% of the population and over age 65 is 15.6% of the population. The median household income is $52,090, per capita income is $25,183. There are a total of 2,244 housing units with 64.5% owner occupied. Education includes 39.0% of residents that are high school graduates and 21.7% with a bachelor's degree or higher. The average temperature in Berlin in the summer is 66 degrees, and in the winter 17 degrees.
