The racial makeup of the township was 99.04% White, 0.32% Native American, and 0.64% from two or more races.

18.1% of all households were made up of individuals, and 7.1% had someone living alone who was 65 years of age or older.

None of the families and 2.1% of the population were living below the poverty line, including no under eighteens and none of those over 64.

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

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