All Employees: Professional, Scientific, and Technical Services in Washington was 262.90000 Thous. of Persons in January of 2023, according to the United States Federal Reserve. Historically, All Employees: Professional, Scientific, and Technical Services in Washington reached a record high of 262.90000 in January of 2023 and a record low of 94.80000 in January of 1990. Trading Economics provides the current actual value, an historical data chart and related indicators for All Employees: Professional, Scientific, and Technical Services in Washington - last updated from the United States Federal Reserve on March of 2024.