Mechanical Engineer salary in Missouri
Mechanical Engineers in Missouri earn a median of $99,330 a year ($47.75 an hour), based on BLS data for 4,870 workers.
Pay ranges from $64,750 for the lowest-paid 10% to $142,100 for the top 10%. That is 5% lower than the national median of $104,110. Missouri ranks 36th of 51 states for mechanical engineers pay. There are 1.7 mechanical engineers per 1,000 jobs here — close to the national average. The average (mean) salary is $101,340, above the median because a few high earners pull it up.
Pay range for mechanical engineers in Missouri
| Pay level | Yearly | Hourly |
|---|---|---|
| 10th percentile (entry level) | $64,750 | $31.13 |
| 25th percentile | $79,540 | $38.24 |
| Median | $99,330 | $47.75 |
| 75th percentile | $120,990 | $58.17 |
| 90th percentile (top earners) | $142,100 | $68.32 |
| Average (mean) | $101,340 | $48.72 |
Half of mechanical engineers earn more than the median and half earn less. Percentiles show the spread: 10% earn less than the 10th percentile, and 10% earn more than the 90th.
Median paycheck, before taxes
| Pay period | Amount |
|---|---|
| Monthly | $8,277.50 |
| Semi-monthly (24 a year) | $4,138.75 |
| Biweekly (26 a year) | $3,820.38 |
| Weekly | $1,910.19 |
| Hourly | $47.75 |
Based on a full-time year of 2,080 hours. Convert any amount with the hourly to salary converter.
Mechanical Engineer salary in cities in Missouri
| Metro area | Median salary | Workers |
|---|---|---|
| St. Louis, MO-IL | $100,340 | 2,190 |
| Kansas City, MO-KS | $99,630 | 4,330 |
| Cape Girardeau, MO-IL | $94,940 | 40 |
| Jefferson City, MO | $89,120 | 60 |
| Joplin, MO-KS | $83,430 | 110 |
| Columbia, MO | $82,200 | 80 |
| Springfield, MO | $80,020 | 210 |
Highest-paying states for mechanical engineers
| State | Median salary |
|---|---|
| New Mexico | $157,710 |
| District of Columbia | $133,300 |
| California | $130,900 |
| Delaware | $125,130 |
| Colorado | $124,430 |
| Alaska | $124,340 |
| Maryland | $122,870 |
| Louisiana | $119,540 |
| Massachusetts | $119,300 |
| Wyoming | $117,750 |
Related jobs in Missouri
| Job | Median salary | Hourly |
|---|---|---|
| Civil Engineer | $92,750 | $44.59 |
| Industrial Engineer | $99,290 | $47.74 |
| Electrical Engineer | $118,670 | $57.06 |
| Engineers, All Other | $102,980 | $49.51 |
| Computer Hardware Engineer | $103,980 | $49.99 |
| Electronics Engineers, Except Computer | $117,630 | $56.55 |
| Aerospace Engineer | $130,680 | $62.83 |
| Environmental Engineer | $98,170 | $47.20 |
| Chemical Engineer | $102,320 | $49.19 |
| Materials Engineer | $98,860 | $47.53 |
| Health and Safety Engineers, Except Mining Safety Engineers and Inspectors | $89,820 | $43.18 |
| Bioengineers and Biomedical Engineers | $89,480 | $43.02 |
| Architectural and Civil Drafters | $61,940 | $29.78 |
| Architects, Except Landscape and Naval | $98,490 | $47.35 |
More: Architecture and Engineering Occupations · all salaries in Missouri
Source: U.S. Bureau of Labor Statistics, Occupational Employment and Wage Statistics, May 2025 estimates, occupation code 17-2141. Wages include base pay, tips, commissions and shift pay, but not overtime, bonuses or benefits, and exclude the self-employed.
Frequently asked questions
How much does a mechanical engineer make in Missouri?
The median salary for mechanical engineers in Missouri is $99,330 a year, or $47.75 an hour. Pay ranges from $64,750 for the lowest-paid 10% to $142,100 for the top 10%.
How much do the highest-paid mechanical engineers make in Missouri?
The top 10% of mechanical engineers in Missouri earn at least $142,100 a year. The top 25% earn $120,990 or more.
What is the starting pay for mechanical engineers in Missouri?
Entry-level pay (the 10th percentile) is about $64,750 a year, and a quarter of mechanical engineers earn $79,540 or less.
How many mechanical engineers work in Missouri?
About 4,870 mechanical engineers are employed in Missouri, not counting the self-employed.