Oostburg is located in Sheboygan county Wisconsin with a geographic area of 2.0 square miles. The total population in Oostburg is 3,017 with 47.0% male and 53.0% female. Children under age 5 represent 4.7% of the population, under age 18 equal 24.2% of the population and over age 65 is 20.4% of the population. The median household income is $63,991, per capita income is $31,105. There are a total of 1,210 housing units with 76.1% owner occupied. Education includes 29.6% of residents that are high school graduates and 33.1% with a bachelor's degree or higher. The average temperature in Oostburg in the summer is 66 degrees, and in the winter 17 degrees.