All Employees: Construction: Heavy and Civil Engineering Construction in Idaho was 6.70000 Thous. of Persons in March of 2022, according to the United States Federal Reserve. Historically, All Employees: Construction: Heavy and Civil Engineering Construction in Idaho reached a record high of 7.70000 in August of 2001 and a record low of 3.30000 in February of 1990. Trading Economics provides the current actual value, an historical data chart and related indicators for All Employees: Construction: Heavy and Civil Engineering Construction in Idaho - last updated from the United States Federal Reserve on April of 2024.