[3] On July 8, 2020, St. Olaf Township was struck by an EF-4 tornado, causing significant damage to the area.

The racial makeup of the township was 96.69% White, 1.51% Native American, 0.30% Asian, and 1.51% from two or more races.

17.7% of all households were made up of individuals, and 7.3% had someone living alone who was 65 years of age or older.

St. Olaf is the often-referred hometown of the character Rose Nylund played by actress Betty White in the television sitcom The Golden Girls that ran on NBC from 1985 to 1992.

[5] Although based on the actual St. Olaf, the show depicted a fictionalized version of the town with outlandish or inaccurate features, usually with fictionalized Scandinavian cultural and traditional traits.