From the most recent (2019) Medical Expenditure Panel Survey, a survey administered by the U.S. Department of Health and Human Services' Agency for Healthcare Research and Quality, select data about average private sector employee-only (i.e. single premium) health premium costs in the Great Lakes states and nationally:
| State | (1) Small Firms | (2) Large Firms | Overall Avg. |
| IL | $7,315 | $7,121 | $7,157 |
| IN | $7,305 | $6,905 | $6,957 |
| MI | $6,133 | $6,828 | $6,705 |
| OH | $7,113 | $7,189 | $7,178 |
| WI | $6,479 | $7,085 | $7,001 |
| U.S. | $6,920 | $6,983 | $6,972 |
(1) fewer than 50 employees
(2) 50 or more employees
Source: Medical Expenditure Panel Survey Table II.C.1 - Average total single premium (in dollars) per enrolled employee at private-sector establishments that offer health insurance by firm size and State: United States, 2019
