Resident Population in Navajo County, AZ was 109.17500 Thous. of Persons in January of 2023, according to the United States Federal Reserve. Historically, Resident Population in Navajo County, AZ reached a record high of 112.91500 in January of 2009 and a record low of 47.55900 in January of 1970. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in Navajo County, AZ - last updated from the United States Federal Reserve on June of 2024.