Dupage County
John Marczewski J in 2025 was employed at Dupage County and had an annual salary of $123,797, according to public records. This salary was 91 percent higher than the average and 110 percent higher than the median salary in Dupage County.
Public records show John Marczewski J working for Dupage County from 2015 to 2025.
Since 2016, the salary has increased by $45,707, a total rise of 58.5 percent.
| Year | 2025 |
| Full Name | John Marczewski J |
| Job Title | N/A |
| State | Illinois |
| Employer | Dupage County |
| Annual Wage | $123,797 |
| Pay Plan |
*Information may include where available: salary, bonuses, benefits, retirement contributions, pensions, and other financial data.
| Employer Name | Dupage County |
| Year | 2025 |
| Number of Employees | 3,195 |
| Average Annual Wage | $64,810 |
| Median Annual Wage | $59,043 |
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