Resident Population in Boise City, ID (MSA) was 845.87700 Thous. of Persons in January of 2024, according to the United States Federal Reserve. Historically, Resident Population in Boise City, ID (MSA) reached a record high of 845.87700 in January of 2024 and a record low of 468.87400 in January of 2000. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in Boise City, ID (MSA) - last updated from the United States Federal Reserve on April of 2026.