BLACKFOOT CONFEDERACY MEMBER PIIKANI / PIEGAN BLACKFEET - PEIGAN - AMSSKAAPIPIIKANI - PEEAGANAKOON : Click for SIKSIKA or KAINAI   Piikani / Piegan Territory: As part of the Blackfoot Confederacy, it ranges from Montana to central Alberta to southwestern Saskatchewan.   Portals .   Blackfeet Nation East Glacier, Montana   Piikani Nation Brocket, Alberta   Cheyenne River Sioux Tribe : part of whose membership is Piegan (Si Sapa Division) Eagle Butte, South Dakota   Standing Rock Sioux Tribe: part of whose membership is Piegan Fort Yates, North Dakota   Piikani / Piegan Population United States (2010) - 9,000 Canada (2020) - 3,900 A L G O N Q U I A N