Salaries › Civil Engineer › Illinois
Civil Engineer Salary in Illinois (2026)
$47.96 per hour · take-home ≈ $74,073/year ($6,173/month) for a single filer
Civil Engineer pay range in Illinois
| Percentile | Annual wage | Meaning |
| 10th percentile (entry) | $69,590 | Lowest-paid 10% earn less than this |
| 25th percentile | $79,650 | A quarter earn less |
| Median (50th) | $99,760 | Half earn more, half earn less |
| 75th percentile | $125,990 | Top quarter starts here |
| 90th percentile (top) | $157,410 | Highest-paid 10% earn more than this |
BLS reports 13,910 Civil Engineer jobs in Illinois (occupation code 17-2051, “Civil Engineers”).
Gross vs. take-home in Illinois
A median Civil Engineer salary of $99,760 doesn’t all reach your bank account. After federal income tax, Social Security, and Medicare, plus Illinois state income tax, a single filer keeps about $74,073 — an effective tax rate of 25.7%.
| Gross (median) | $99,760 |
| Federal income tax | −$13,117 |
| Social Security + Medicare | −$7,632 |
| Illinois state income tax | −$4,938 |
| Take-home (annual) | $74,073 |
| Take-home (monthly) | $6,173 |
Want your exact numbers — married, 401(k), different salary? Use the free Illinois paycheck calculator on PaycheckTally.
Frequently asked questions
- How much does a Civil Engineer make in Illinois?
- The median Civil Engineer salary in Illinois is $99,760 per year ($47.96 per hour) according to the latest BLS data. The middle 50% earn between $79,650 and $125,990.
- What is the take-home pay for a Civil Engineer in Illinois?
- On the median salary of $99,760, a single filer in Illinois takes home about $74,073 per year ($6,173 per month) after federal tax, FICA, and state income tax — an effective tax rate of 25.7%.
- How many Civil Engineer jobs are there in Illinois?
- BLS counts 13,910 Civil Engineer jobs in Illinois in the latest survey (May 2025).
Top-paying states for Civil Engineers
Other salaries in Illinois
Sources and methodology
Wage and employment figures: BLS OEWS May 2025 (state file, released April 2026) — the U.S. Bureau of Labor Statistics Occupational Employment and Wage Statistics survey, the most authoritative public salary dataset. Take-home estimate: 2026 federal brackets, FICA, and verified Illinois state tax rules (single filer, standard deduction, no credits or local taxes). Estimates only — not financial advice.
- BLS OEWS — official occupational wage data.
- PaycheckTally — interactive 2026 take-home calculator for Illinois.