The census-designated place of Mexico is along the Juniata River in Walker Township.

Other unincorporated places in the township include Vandyke, Centre, Locust Run, Mount Pleasant, and Van Wert.

As of the census[5] of 2000, there were 2,598 people, 920 households, and 734 families residing in the township.

16.8% of all households were made up of individuals, and 9.2% had someone living alone who was 65 years of age or older.

The gunman was killed in a shootout that day with law enforcement.