[3] It is part of the Grand Rapids metropolitan area and is located in northeast Kent County about 25 miles (40 km) northeast of the city of Grand Rapids.

He served as the first postmaster when a post office was established on October 17, 1857.

18.6% of all households were made up of individuals, and 6.2% had someone living alone who was 65 years of age or older.

Spencer Township is served by three separate school districts.

The western half of the township is served by Cedar Springs Public Schools, and the eastern half is served by Greenville Public Schools to the east in Montcalm County.

The northern portion of the township is served by Lakeview Community Schools in Montcalm County.