As of the census[1] of 2000, there were 140 people, 52 households, and 40 families residing in the township.

17.3% of all households were made up of individuals, and 7.7% had someone living alone who was 65 years of age or older.

There were 6.1% of families and 13.5% of the population living below the poverty line, including 26.2% of under eighteens and 37.5% of those over 64.

Amo Township is located in Minnesota's 1st congressional district, represented by Jim Hagedorn, a Republican.

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