Lake Hattie Township, together with most of the northwest corner of Hubbard County, was surveyed during 1879 by George F. Hamilton, deputy surveyor.

[3] As of the census[1] of 2000, there were 130 people, 50 households, and 31 families residing in the township.

There were 101 housing units at an average density of 3.0 per square mile (1.2/km2).

30.0% of all households were made up of individuals, and 10.0% had someone living alone who was 65 years of age or older.

There were 20.0% of families and 14.7% of the population living below the poverty line, including 10.0% of under eighteens and 23.1% of those over 64.