As of the census[1] of 2000, there were 189 people, 69 households, and 54 families residing in the township.

18.8% of all households were made up of individuals, and 8.7% had someone living alone who was 65 years of age or older.

About 7.4% of families and 7.0% of the population were below the poverty line, including 5.6% of those under the age of eighteen and none of those 65 or over.

Rose Hill Township is located in Minnesota's 1st congressional district, represented by Tim Walz, a Democrat.

At the state level, Rose Hill Township is located in Senate District 22, represented by Republican Doug Magnus, and in House District 22B, represented by Republican Rod Hamilton.