There are 264 Payroll Services in Illinois, serving a population of 12,854,526 people in an area of 55,505 square miles. There is 1 Payroll Service per 48,691 people, and 1 Payroll Service per 210 square miles.
The state of Illinois is ranked 46th in Payroll Services per capita, and 19th in Payroll Services per square mile.