Demography
In 1760 the Iowa tribe population was roughly 1,100, but their numbers were reduced to 500 by 1900. In 1960 there were 100 in Kansas and 100 in Oklahoma.
By 1980 their population had recovered to 1,000 (of which only 20 spoke Iowa). In 1990 there were 1,700 people. According to the Bureau of Indian Affairs, in 1995 there were 533 individuals living in the Iowa reservations of Kansas and 44 in Nebraska (Horton Agency), while 857 people lived in the Oklahoma Iowa Tribe (Shawnee Agency), amounting to a total of 2,934 people. According to the 2000 census, 1,451 people identified as full-blood Iowa, 76 were of mixed-Indian descent, 688 of mixed-race descent, and 43 of mixed-race and tribe descent, amounting to 2,258 people.
Read more about this topic: Iowa People