All Employees: Construction: Heavy and Civil Engineering Construction in Colorado was 26.13974 Thous. of Persons in January of 2024, according to the United States Federal Reserve. Historically, All Employees: Construction: Heavy and Civil Engineering Construction in Colorado reached a record high of 27.78098 in August of 2019 and a record low of 10.80938 in April 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.