(WHTM) – American Indians have been in North America … are in parts of Ontario, Canada, and Wisconsin with around 3 … Pennsylvania, Oklahoma, New Jersey, and Canada with around 16,000 people … U.S. Census, 20,798 Native Americans are living in Pennsylvania.(WHTM) – American Indians have been in North America … are in parts of Ontario, Canada, and Wisconsin with around 3 … Pennsylvania, Oklahoma, New Jersey, and Canada with around 16,000 people … U.S. Census, 20,798 Native Americans are living in Pennsylvania.