Last updated: 2025 BLS data · Page refreshed:
How does Web Developers salary grow from entry-level to senior in Illinois? State salary progression based on 2025 BLS data.
82% career growth potentialData: BLS OEWS 2025 • Illinois salary data • Updated 2026-05-19
The salary range for Web Developers in Illinois spans from $70,650 at entry-level to $128,700 at senior level — a difference of $58,050 per year.
Senior Web Developerss in Illinois earn $58,050 more per year than entry-level professionals.
Complete percentile breakdown showing how Web Developers salary increases with experience in Illinois, from entry-level (10th percentile) to senior (90th percentile).
| Experience Level | Percentile | Annual Salary | Monthly | Hourly |
|---|---|---|---|---|
| Entry-Level | P10 | $70,650 | $5,888 | $33.97 |
| Early Career | P25 | $71,990 | $5,999 | $34.61 |
| Mid-Career | Median | $84,820 | $7,068 | $40.78 |
| Experienced | P75 | $117,100 | $9,758 | $56.30 |
| Senior / Expert | P90 | $128,700 | $10,725 | $61.88 |
Web Developers in Illinois has a moderate salary progression with a 82% growth from entry-level ($70,650) to senior ($128,700). While the growth potential is steady, professionals looking to maximize earnings may benefit from specialization, advanced certifications, or gaining experience in higher-paying states. The gap between median ($84,820) and P90 ($128,700) shows there is still room for meaningful growth beyond mid-career.
Where does Illinois rank for Web Developers senior-level salaries? Compare Illinois's P90 pay to other top-paying states.
Entry-level Web Developerss (10th percentile) earn approximately $70,650 per year, or $5,887 per month. Early-career professionals (25th percentile) earn around $71,990. Based on 2025 BLS OEWS data across all U.S. states.
Senior Web Developerss (90th percentile) earn approximately $128,700 per year. Experienced professionals (75th percentile) earn around $117,100. This represents a career premium of 82% over entry-level pay.
The career salary growth potential for Web Developerss is 82%. Entry-level professionals start at $70,650, while senior-level can earn up to $128,700 — a difference of $58,050 per year.
The highest-paying state for senior Web Developerss is Illinois, where 90th-percentile salaries reach $128,700 per year. See the full state-by-state comparison above.
We use BLS Occupational Employment and Wage Statistics (OEWS) 2025 data. The 10th percentile (P10) approximates entry-level pay — the salary that 90% of workers earn more than. The 90th percentile (P90) approximates senior/expert-level pay — only 10% of workers earn above this threshold. National averages are computed across all reporting U.S. states.
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Salary percentile data for Illinois from the U.S. Bureau of Labor Statistics (BLS) Occupational Employment and Wage Statistics (OEWS), May 2025. P10 approximates entry-level compensation; P90 approximates senior/expert-level compensation. State averages differ from national averages due to regional variations in cost of living, demand, and workforce composition. Actual salaries vary based on employer, experience, education, certifications, and specific location within Illinois.
Our Methodology · Data Sources · Source: BLS OEWS