STATISTICAL DATA ARE PRESENTED ON THE INDIAN POPULATION OF OKLAHOMA, ALONG WITH A BRIEF HISTORY OF SOME OF THE 67 INDIAN TRIBES FOUND IN THE STATE AND NARRATIVE SUMMARIES OF THE STATISTICAL DATA. MAPS OF CURRENT AND PAST INDIAN LANDS ARE SHOWN IN RELATION TO CURRENT COUNTY LINES. GRAPHS PORTRAY POPULATION COMPOSITION, RURAL AND URBAN POPULATION DISTRIBUTION, EDUCATIONAL ATTAINMENT, MEDIAN INCOME, RATE OF UNEMPLOYMENT, AND 1959 MALE INCOME DATA. THIS MATERIAL IS PRESENTED IN PERCENTAGE FORM, COMPARING OKLAHOMA WHITE FIGURES, NATIONAL INDIAN FIGURES, AND NATIONAL POPULATION FIGURES. A LIST OF DEFINITIONS EXPLAINS SOME OF THE CONCEPTS AND METHODS USED BY THE CENSUS BUREAU IN COMPILING DATA ON THE INDIANS. APPENDICES GIVE STATISTICAL DATA IN TABLE FORM FOR POPULATION DISTRIBUTION, EMPLOYMENT, AGE AND SEX, AND INCOME DISTRIBUTION. INFORMATION FOR THIS REPORT WAS OBTAINED OR ADAPTED FROM THE 1960 CENSUS. (DK)