[3] According to the United States Census Bureau, the township has a total area of 48.7 square miles (126.0 km2), all land.

16.7% of all households were made up of individuals, and 4.9% had someone living alone who was 65 years of age or older.

About 5.4% of families and 5.8% of the population were below the poverty line, including 5.7% of those under the age of eighteen and 12.1% of those 65 or over.

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

At the state level, Springwater Township is located in Senate District 22, represented by Republican Doug Magnus, and in House District 22A, represented by Republican Joe Schomacker.