Tarkio Township is one of eleven townships in Atchison County, Missouri, United States.

[4] Tarkio Township covers an area of 47.9 square miles (124.1 km2) and contains one incorporated settlement, Tarkio.

The streams of Middle Tarkio Creek and West Tarkio Creek run through this township.

Tarkio Township contains one airport, Gould Peterson Municipal Airport.

This Atchison County, Missouri state location article is a stub.