Otsego is located in Allegan county Michigan with a geographic area of 2.0 square miles. The total population in Otsego is 3,980 with 40.6% male and 59.4% female. Children under age 5 represent 4.7% of the population, under age 18 equal 21.6% of the population and over age 65 is 13.2% of the population. The median household income is $52,899, per capita income is $26,120. There are a total of 1,641 housing units with 67.0% owner occupied. Education includes 28.9% of residents that are high school graduates and 9.9% with a bachelor's degree or higher. The average temperature in Otsego in the summer is 68 degrees, and in the winter 23 degrees.
