A large share of the first settlers being natives of Wisconsin caused the name to be selected.

[3] According to the United States Census Bureau, the township has a total area of 35.5 square miles (92.0 km2), all land.

14.6% of all households were made up of individuals, and 2.9% had someone living alone who was 65 years of age or older.

Wisconsin Township is located in Minnesota's 1st congressional district, represented by Mankato educator Tim Walz, a Democrat.

At the state level, Wisconsin Township is located in Senate District 22, represented by Republican Doug Magnus, and in House District 22B, represented by Republican Rod Hamilton.