Osage Township covers an area of 26.46 square miles (68.5 km2) and contains two incorporated settlements: Linn Creek and Osage Beach.

It contains four cemeteries: Hall, Hopkins, Memorial and Old Erie.

The streams of Blue Springs Branch, Linn Creek, North Fork Linn Creek and South Fork Linn Creek run through this township.

Osage Township contains two airports or landing strips: Hospital Property Heliport and Linn Creek-Grand Glaize Memorial Airport.

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