[10] The Chelsea State Game Area is located in the northern portion of the township.

[11] As of the census[1] of 2020, there were 4,024 people, 1,168 households, and 954 families residing in the township.

15.1% of all households were made up of individuals, and 6.3% had someone living alone who was 65 years of age or older.

Lima Township is served by two public school districts.

The majority of the township is served by Chelsea School District to the west in the city of Chelsea, and the eastern portion of the township is served by Dexter Community School District to the east in Dexter.