Berlin is located in Hartford county Connecticut with a geographic area of square miles. The total population in Berlin is 20,460 with 47.5% male and 52.5% female. Children under age 5 represent 3.9% of the population, under age 18 equal 20.7% of the population and over age 65 is 22.8% of the population. The median household income is $102,075, per capita income is $49,967. There are a total of 8,242 housing units with 83.9% owner occupied. Education includes 23.6% of residents that are high school graduates and 45.9% with a bachelor's degree or higher. The average temperature in Berlin in the summer is 68 degrees, and in the winter 27 degrees.
