Jefferson County
Gregory Jansen in 2025 was employed at Jefferson County and had an annual salary of $137,035, according to public records. This salary was 161 percent higher than the average and 144 percent higher than the median salary in Jefferson County.
Public records show Gregory Jansen working for Jefferson County from 2023 to 2025.
| Year | 2025 |
| Full Name | Gregory Jansen |
| Job Title | N/A |
| State | Wisconsin |
| Employer | Jefferson County |
| Annual Wage | $137,035 |
| Pay Plan |
*Information may include where available: salary, bonuses, benefits, retirement contributions, pensions, and other financial data.
| Employer Name | Jefferson County |
| Year | 2025 |
| Number of Employees | 803 |
| Average Annual Wage | $52,523 |
| Median Annual Wage | $56,161 |
Gregory Jansen (2024) | View Person Details |
Gregory Jansen (2023) | View Person Details |
Zachary Koch (2025)Jefferson County | View Person Details |
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Brian Bellford (2025)Jefferson County | View Person Details |
Eli Wiedenfeld (2025)Jefferson County | View Person Details |
Sean Heaslip (2025)Jefferson County | View Person Details |
Matthew Zangl (2025)Jefferson County | View Person Details |
Timothy Steinbach (2025)Jefferson County | View Person Details |
Jerry Haferman (2025)Jefferson County | View Person Details |
Laura Wagner (2025)Jefferson County | View Person Details |
Travis Maze (2025)Jefferson County | View Person Details |