Kiel is located in Manitowoc county Wisconsin with a geographic area of 2.5 square miles. The total population in Kiel is 3,610 with 49.4% male and 50.6% female. Children under age 5 represent 7.3% of the population, under age 18 equal 25.6% of the population and over age 65 is 16.7% of the population. The median household income is $60,918, per capita income is $28,566. There are a total of 1,563 housing units with 73.0% owner occupied. Education includes 43.4% of residents that are high school graduates and 22.1% with a bachelor's degree or higher. The average temperature in Kiel in the summer is 69 degrees, and in the winter 17 degrees.