Allendale is located in Ottawa county Michigan with a geographic area of 23.2 square miles. The total population in Allendale is 23,696 with 44.0% male and 56.0% female. Children under age 5 represent 4.4% of the population, under age 18 equal 15.3% of the population and over age 65 is 5.2% of the population. The median household income is $57,706, per capita income is $20,152. There are a total of 6,795 housing units with 48.3% owner occupied. Education includes 18.9% of residents that are high school graduates and 27.7% with a bachelor's degree or higher. The average temperature in Allendale in the summer is 67 degrees, and in the winter 23 degrees.
