Salary guide, May 2025
Systems Engineer pay in St. Louis, MO-IL
Manufacturing Headhunters uses the published BLS OEWS figures below. They describe the mapped occupation and area, not an individual offer.
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The median annual wage for Mechanical Engineers in St. Louis, MO-IL was $100,340 (U.S. Bureau of Labor Statistics, OEWS, May 2025). The middle half of workers earned between $79,740 and $120,020.
The St. Louis, MO-IL median is $3,770 below the national median of $104,110, both from BLS May 2025.
Broader occupation · SOC 17-2141 Mechanical Engineers
BLS measures this broader occupation across industries. It does not publish a separate wage for this manufacturing title.
What should you know about st. Louis, MO-IL?
| 10th | 25th | Median | 75th | 90th |
|---|---|---|---|---|
| $65,900 | $79,740 | $100,340 | $120,020 | $149,060 |
| 10th | 25th | Median | 75th | 90th |
|---|---|---|---|---|
| $31.68 | $38.34 | $48.24 | $57.70 | $71.66 |
BLS estimated 2,190 workers employed in this occupation in St. Louis, MO-IL. Location quotient: 0.85.
What should you know about united States?
| 10th | 25th | Median | 75th | 90th |
|---|---|---|---|---|
| $73,990 | $84,130 | $104,110 | $132,590 | $164,340 |
| 10th | 25th | Median | 75th | 90th |
|---|---|---|---|---|
| $35.57 | $40.45 | $50.05 | $63.75 | $79.01 |
What should you know about role pay against all occupations here?
The published Systems Engineer median is $100,340. The all-occupations median in St. Louis, MO-IL is $49,990. Ratio: 2.01 (role median divided by all-occupations median, same units, BLS May 2025). Location quotient 0.85 measures how concentrated this occupation's employment is here against the nation. It is not a wage index.
What should you know about two BLS releases?
| Release period | 25th | Median | 75th |
|---|---|---|---|
| May 2024 | $76,960 | $86,390 | $107,420 |
| May 2025 | $79,740 | $100,340 | $120,020 |
These are two separate BLS estimates from different survey panels. The workers and employers behind them differ, so the gap is not like-for-like pay for the same workers and is not a growth rate. We show no percentage change.
Source: U.S. Bureau of Labor Statistics, Occupational Employment and Wage Statistics, May 2025. SOC 17-2141 Mechanical Engineers, St. Louis, MO-IL. Official occupation data · Official area tables. Released 2026-05-15.
Source: U.S. Bureau of Labor Statistics, Occupational Employment and Wage Statistics, May 2025. SOC 17-2141 Mechanical Engineers, U.S.. Official occupation data · Official area tables. Released 2026-05-15.
What should you know about nearby areas?
| Area | Median | 25th to 75th |
|---|---|---|
| Springfield, IL | $92,920 | $77,340 to $119,880 |
| Jefferson City, MO | $89,120 | $76,160 to $111,220 |
All roles in St. Louis, MO-IL · National page · Systems Engineer ranked across metros