There are 192 Payroll Services in Washington, serving a population of 7,169,967 people in an area of 66,439 square miles. There is 1 Payroll Service per 37,343 people, and 1 Payroll Service per 346 square miles.
The state of Washington is ranked 31st in Payroll Services per capita, and 25th in Payroll Services per square mile.