According to the United States Census Bureau, the town has a total area of 32.2 square miles (83.5 km2), all of it land.

The six mile square that would become Auburndale was first surveyed in the summer of 1851 by a crew working for the U.S. government.

In November and December 1852 another crew marked its section corners, walking through the woods and wading the streams, measuring with chain and compass.

It is generally heavily timbered chiefly with Hemlock, Sugar Yellow Birch, and Rock Elm.

White Pine abounds on Mill Creek and some of the head Branches of the Little O'Plane.

The surface is generally level about half is hardwood land where the soil is first and second rate.