Dupage County
James Koopmann in 2025 was employed at Dupage County and had an annual salary of $87,517, according to public records. This salary was 35 percent higher than the average and 48 percent higher than the median salary in Dupage County.
Public records show James Koopmann working for Dupage County from 2024 to 2025.
According to the public records employee's salary increased by $51,547 from 2024 to 2025, which is a 143.3 percent rise.
| Year | 2025 |
| Full Name | James Koopmann |
| Job Title | N/A |
| State | Illinois |
| Employer | Dupage County |
| Annual Wage | $87,517 |
| 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 |
James Koopmann (2024) | View Person Details |
Andres Cancino-Torres (2025)Dupage County | View Person Details |
Cruz Rose Jealie D (2025)Dupage County | View Person Details |
Brian Berger (2025)Dupage County | View Person Details |
Daniel Cooper R (2025)Dupage County | View Person Details |
Trenton Harlan T (2025)Dupage County | View Person Details |
Erika Franco C (2025)Dupage County | View Person Details |
Isa Maznah Md (2025)Dupage County | View Person Details |
Melissa Duarte (2025)Dupage County | View Person Details |
Kathryn Galles (2025)Dupage County | View Person Details |
Emily Lotter (2025)Dupage County | View Person Details |