As of April 01, 2025, the average annual salary for a Mathematician I in Joliet, IL is $104,816. Salary.com reports that pay typically ranges from $92,998 to $112,207, with most professionals earning between $82,239 and $118,937.
| Annual Salary |
Monthly Pay |
Weekly Pay |
Hourly Wage |
|
| 75th Percentile | $110,789 | $9,232 | $2,131 | $53 |
| Average | $103,491 | $8,624 | $1,990 | $50 |
| 25th Percentile | $91,823 | $7,652 | $1,766 | $44 |
An entry-level Mathematician I with under 1 year experience makes about $100,935. With less than 2 years of experience, a mid-level Mathematician I makes around $101,288. After 2-4 years, the Mathematician I pay rises to about $103,581. Those senior Mathematician I with 5-8 years of experience earn roughly $107,574, and those Mathematician I having 8 years or more experience are expected to earn about $108,677 on average.
| Levels | Salary |
|---|---|
| Entry Level Mathematician I | $100,935 |
| Intermediate Level Mathematician I | $101,288 |
| Senior Level Mathematician I | $103,581 |
| Specialist Level Mathematician I | $107,574 |
| Expert Level Mathematician I | $108,677 |
| Entry Level | 2% |
| Mid Level | 2% |
| Senior Level | 0% |
| Top Level | 4% |
| Experienced | 5% |
Not the salary data you are looking for? Choose the city salary you want to see.
