9988 Kickapoo 1000-9999 Partly mutually intelligible with Sauk-Fox but has been spoken since the earliest contact in the seventeenth century by a separate political group.
There are estimated to be around 1,100 first-language speakers of Kickapoo, about 700 of them in Mexico, 400 in Oklahoma, and only a few in Kansas. North America On ~1,100 1000-9999