 The United Keetoowah Band of Cherokee Indians requires a minimum one-quarter Keetoowah Cherokee blood quantum (equivalent to one grandparent), and the UKB does not allow members that have relinquished their membership to re-enroll in the UKB.In 2000 the U.S. census reported 875,276 people self-identified as Cherokee Indian; however, only 316,049 people were enrolled in the federally recognized Cherokee tribes.Over 200 groups claim to be Cherokee nations, tribes, or bands.