Dear T. Gladden,
Thank you for posting your request on History Hub!
Native Americans were not listed in census records between 1790 and 1840. For more information, please see the National Archives webpage American Indians in the Federal Decennial Census, 1790-1930.
We hope this is helpful.
Some American Indians were counted as negro/colored/black, especially if they did not relocate to reservations. For example, one of my 7x great grands was full blood Choctaw in Mississippi. He did not relocate to Oklahoma during the time of the Treaty of Dancing Rabbit Creek (1832, I believe) because he lived with his tribe/family and his wife could not relocate with him (she was from a different NDN tribe and was a slave). Although he was a free man, he was called negro/colored because his skin was brown.