[3] The city of Allegan is within the township, but is administratively autonomous.

[4] As of the census[1] of 2000, there were 4,050 people, 1,574 households, and 1,156 families residing in the township.

There were 1,780 housing units at an average density of 58.5 per square mile (22.6/km2).

There were 1,574 households, out of which 32.5% had children under the age of 18 living with them, 60.5% were married couples living together, 9.1% had a female householder with no husband present, and 26.5% were non-families.

22.1% of all households were made up of individuals, and 9.7% had someone living alone who was 65 years of age or older.