Hopi Indians (pronounced HOH pee) are one of the Pueblo Indian tribes. According to the 1990 United States census, there are about 11,000 Hopi. About 7,000 live on the Hopi reservation in Arizona. They live in 11 villages on or near three high mesas (tablelands). One village, Oraibi, is one of the oldest continuously inhabited villages in the United States. It was founded about 800 years ago.