This profile provides data from the 1980 census on American Indians, Eskimos, and Aleuts in the total U.S. population, on American Indian reservations, and in historic areas of Oklahoma (excluding urbanized areas). Bar graphs illustrate data on (1) the overall population; (2) population by geographic region; (3) population by standard federal administrative region; (4) population and percentage of total U.S. Indian population on the 10 American Indian reservations with the largest populations; (5) populations of the 10 tribal governments with the largest populations; (6) populations and percentage populations in the historic areas of Oklahoma by tribe and county; (7) tribal enrollment rates for selected reservations, Oklahoma tribal governments, and Oklahoma counties; (8) enrollment rates of persons aged 15-19 in BIA or tribal school for selected reservations, Oklahoma tribal governments, and Oklahoma counties; (9) percentage of adults who completed less than five years of school for selected reservations, Oklahoma tribal governments, and Oklahoma counties; (10) percentage of high school graduates for selected reservations, Oklahoma tribal governments, and Oklahoma counties; (11) percentage of persons who always lived on reservation; (12) percentage of Indian population receiving health care for selected reservations, Oklahoma tribal governments, and Oklahoma counties; (13) number of housing units with an American Indian, Eskimo, or Aleut householder or spouse for selected reservations, Oklahoma tribal governments, and Oklahoma counties; and (14) percentage of housing units without electric lighting, without refrigerator, without telephone, with outhouse or privy, and with more than 1.01 persons per room. (SV)