“The Bureau of the Census counts anyone an Indian who declares himself or herself to be an Indian. As of 1 July 2008, the Census Bureau estimates there were 4.9 million American Indians and Alaska Natives living in the United States.”
If interested, here’s some more info you may not be aware of regarding American Indians/Natives you may find interesting:
“Reservations. In the U.S. there are only two kinds of reserved lands that are well-known: military and Indian. An Indian reservation is land reserved for a tribe when it relinquished its other land areas to the U.S. through treaties. More recently, Congressional acts, Executive Orders, and administrative acts have created reservations. Today some reservations have non-Indian residents and land owners.
There are approximately 275 Indian land areas in the U.S. administered as Indian reservations (reservations, pueblos, rancherias, communities, etc.). The largest is the Navajo Reservation of some 16 million acres of land in Arizona, New Mexico, and Utah. Many of the smaller reservations are less than 1,000 acres with the smallest less than 100 acres. On each reservation, the local governing authority is the tribal government.
Approximately 56.2 million acres of land are held in trust by the United States for various Indian tribes and individuals. Much of this is reservation land; however, not all reservation land is trust land. On behalf of the United States, the Secretary of the Interior serves as trustee for such lands with many routine trustee responsibilities delegated to BIA officials.
The states in which reservations are located have limited powers over them, and only as provided by federal law. On some reservations, however, a high percentage of the land is owned and occupied by non-Indians. Some 140 reservations have entirely tribally owned land."