Dupage County
Constantine Grzelak in 2025 was employed at Dupage County and had an annual salary of $85,294, according to public records. This salary was 32 percent higher than the average and 44 percent higher than the median salary in Dupage County.
Public records show Constantine Grzelak working for Dupage County from 2015 to 2025.
According to the public records employee's salary increased by $526 from 2024 to 2025, which is a 0.6 percent rise. Since 2016, the salary has increased by $32,022, a total rise of 60.1 percent.
| Year | 2025 |
| Full Name | Constantine Grzelak |
| Job Title | N/A |
| State | Illinois |
| Employer | Dupage County |
| Annual Wage | $85,294 |
| 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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