[3] Lincoln Charter Township is located in the west-central portion of Berrien County, with Lake Michigan to the west.

Grand Mere State Park is centered on the three Grand Mere Lakes and is home to sand dunes that range from 3,000 to 10,000 years old.

As of the census[1] of 2000, there were 13,952 people, 5,486 households, and 3,999 families residing in the township.

There were 5,992 housing units at an average density of 334.2 per square mile (129.0/km2).

24.0% of all households were made up of individuals, and 9.6% had someone living alone who was 65 years of age or older.