Resident Population in Mohave County, AZ was 226.47900 Thous. of Persons in January of 2024, according to the United States Federal Reserve. Historically, Resident Population in Mohave County, AZ reached a record high of 226.47900 in January of 2024 and a record low of 25.85700 in January of 1970. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in Mohave County, AZ - last updated from the United States Federal Reserve on April of 2026.