Oklahoma's name is derived from 2 Choctaw words: "Okla" meaning people & "Humma" meaning red, literally meaning Red People. There are currently 35 tibes of Indians living in Oklahoma: the 1970 census shows an Indian population of 97,731, establishing Oklahoma with the largest Indian population of any state in the Union. Descendants of the original 67 tribes inhabiting Indian Territory still live in Oklahoma. The National Y-Indian Guide Center Woolaroc Museum, near Bartlesville, OK.