Friberg Township was organized in 1874, and named after Freiburg, in Germany.
At the 2000 census,[2] there were 774 people, 292 households and 221 families living in the township.
There were 361 housing units at an average density of 11.0/sq mi (4.3/km2).
There were 292 households, of which 37.7% had children under the age of 18 living with them, 66.4% were married couples living together, 5.5% had a female householder with no husband present, and 24.0% were non-families.
19.5% of all households were made up of individuals, and 5.5% had someone living alone who was 65 years of age or older.