[1] Sadorus is Township 17 North, Range 7 East of the Third Principal Meridian.
[2] (This list is based on USGS data and may include former settlements.)
As of the 2020 census[1] there were 948 people, 376 households, and 240 families residing in the township.
There were 423 housing units at an average density of 11.15 per square mile (4.31/km2).
25.00% of all households were made up of individuals, and 18.60% had someone living alone who was 65 years of age or older.