All Employees: Professional and Business Services in District of Columbia was 172.00000 Thous. of Persons in November of 2021, according to the United States Federal Reserve. Historically, All Employees: Professional and Business Services in District of Columbia reached a record high of 174.50000 in December of 2019 and a record low of 105.70000 in January of 1993. Trading Economics provides the current actual value, an historical data chart and related indicators for All Employees: Professional and Business Services in District of Columbia - last updated from the United States Federal Reserve on April of 2024.