As of April 01, 2025, the average annual salary for a Civil Engineer I in Illinois is $75,148. Salary.com reports that pay typically ranges from $68,162 to $82,697, with most professionals earning between $61,801 and $89,570.
| Annual Salary |
Monthly Pay |
Weekly Pay |
Hourly Wage |
|
| 75th Percentile | $82,697 | $6,891 | $1,590 | $40 |
| Average | $75,148 | $6,262 | $1,445 | $36 |
| 25th Percentile | $68,162 | $5,680 | $1,311 | $33 |
An entry-level Civil Engineer I with under 1 year experience makes about $74,627. With less than 2 years of experience, a mid-level Civil Engineer I makes around $75,373. After 2-4 years, the Civil Engineer I pay rises to about $77,063. Those senior Civil Engineer I with 5-8 years of experience earn roughly $77,401, and those Civil Engineer I having 8 years or more experience are expected to earn about $77,627 on average.
| Levels | Salary |
|---|---|
| Entry Level Civil Engineer I | $74,627 |
| Intermediate Level Civil Engineer I | $75,373 |
| Senior Level Civil Engineer I | $77,063 |
| Specialist Level Civil Engineer I | $77,401 |
| Expert Level Civil Engineer I | $77,627 |
| Entry Level | 1% |
| Mid Level | 2% |
| Senior Level | 5% |
| Top Level | 5% |
| Experienced | 5% |
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