All Employees: Construction: Heavy and Civil Engineering Construction in Colorado was 24.60000 Thous. of Persons in January of 2021, according to the United States Federal Reserve. Historically, All Employees: Construction: Heavy and Civil Engineering Construction in Colorado reached a record high of 27.00000 in January of 2019 and a record low of 11.30000 in January 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 Colorado - last updated from the United States Federal Reserve on April of 2024.