According to the United States Census Bureau, the Indian reservation has a total area of 6.0 mi2 (15.5 km2).
Cattaraugus Creek runs through the middle of the reservation, and Lake Erie forms part of the western boundary.
As of the census[3] of 2000, there were 388 people, 127 households, and 94 families residing in the Indian reservation.
The racial makeup of the Indian reservation was 4.38% White and 95.62% Native American.
20.5% of all households were made up of individuals, and 1.6% had someone living alone who was 65 years of age or older.