- The U.S. Census Bureau reported that 2,423 American Indians lived on Nez Perce Reservation in 2020, compared to 1,863 in 1990, and 1,463 in 1980.
- The American Indian population on the Nez Perce Reservation increased by 4.9 percent from 2010 to 2020.
Please note that ORTL stands for Off-Reservation Trust Land.