A major geographic feature in Bigelow Township is the Buffalo Ridge, a drainage divide between the Mississippi and Missouri River systems.

Main highways include: Organization of Bigelow Township was approved by the Nobles County Board on April 30, 1872.

12.9% of all households were made up of individuals, and 7.6% had someone living alone who was 65 years of age or older.

Bigelow Township is located in Minnesota's 1st congressional district, represented by Jim Hagedorn, a Republican.

At the state level, Bigelow Township is located in Senate District 22, represented by Republican Bill Weber, and in House District 22B, represented by Republican Rod Hamilton.

Bigelow Township is represented by Nobles County Commissioner Matt Widboom.