[3] The village of Union City is the only incorporated municipality in the township.

The only other settlement in the primarily agricultural township is the unincorporated community of Hodunk, situated on the boundary with adjacent Girard Township near the junction of Hog Creek and the Coldwater River.

The St. Joseph River flows through Union City and the township just south of M-60.

[4] As of the census[1] of 2000, there were 3,121 people, 1,184 households, and 837 families residing in the township.

23.6% of all households were made up of individuals, and 10.6% had someone living alone who was 65 years of age or older.