This section is from the book "Scientific American Reference Book. A Manual for the Office, Household and Shop", by Albert A. Hopkins, A. Russell Bond. Also available from Amazon: Scientific American Reference Book.
In 1902 the area of Indian reservations in the United States was 75,-148,643 acres or 117,420 square miles, and the population in 1900 was 270,-544, but in 1903 the number had dwindled to 263,233. Indian Territory is occupied by 76,886 Indian inhabitants, while 43,746 live in Arizona and 13,799 in Oklahoma, and 19,477 in South Dakota. The census gives the Indian population in Indian Territory in 1900 as 302,060, and the Indian population elsewhere is included in the census of the States.
Comparison Of Population By Occupations.