All Employees: Professional and Business Services in Washington was 446.80000 Thous. of Persons in January of 2021, according to the United States Federal Reserve. Historically, All Employees: Professional and Business Services in Washington reached a record high of 446.80000 in January of 2021 and a record low of 197.90000 in January of 1990. Trading Economics provides the current actual value, an historical data chart and related indicators for All Employees: Professional and Business Services in Washington - last updated from the United States Federal Reserve on May of 2024.