Resident Population in Idaho was 1964.72600 Thous. of Persons in January of 2023, according to the United States Federal Reserve. Historically, Resident Population in Idaho reached a record high of 1964.72600 in January of 2023 and a record low of 163.00000 in January of 1900. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in Idaho - last updated from the United States Federal Reserve on April of 2024.