It is part of the Grand Forks-ND-MN Metropolitan Statistical Area.

Lessor is a corruption of Lessard, the surname of an early settler.

At the 2000 census,[1] there were 197 people, 73 households and 54 families residing in the township.

26.0% of all households were made up of individuals, and 16.4% had someone living alone who was 65 years of age or older.

About 8.1% of families and 14.7% of the population were below the poverty line, including 13.6% of those under the age of eighteen and 13.9% of those 65 or over.