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As of October 2025, the average salary for a mechanical engineering intern is approximately $42,749 annually, which translates to about $21 per hour. These positions often serve as a stepping stone into the engineering field, enabling students to apply classroom theories in real-world scenarios.
Salary levels can fluctuate significantly based on geographic location. States such as California and New York tend to offer higher compensation due to the cost of living and demand for engineering talent. Interns in these areas can expect salaries above the national average.
Internships available in sectors like automotive, aerospace, and manufacturing often provide competitive pay and substantial learning opportunities. Engaging with diverse projects allows interns to develop specialized skills that are crucial for their future careers.
By understanding these salary dynamics and industry demands, students can make informed decisions about their career paths, maximizing their internship experiences and potential earnings.
Let Zippi find your next mechanical engineering internship job
Let Zippi find your next mechanical engineering internship job
The highest-paying states for mechanical engineering interns are Illinois, Washington, and Maryland. The lowest average mechanical engineering internship salary states are North Carolina, Kansas, and Utah.
| Rank | State | Avg. salary | Hourly rate |
|---|---|---|---|
| 1 | Washington | $49,884 | $23.98 |
| 2 | Arizona | $47,546 | $22.86 |
| 3 | West Virginia | $49,350 | $23.73 |
| 4 | District of Columbia | $54,335 | $26.12 |
| 5 | Michigan | $47,019 | $22.61 |
| 6 | Illinois | $50,510 | $24.28 |
| 7 | Delaware | $47,208 | $22.70 |
| 8 | Massachusetts | $48,568 | $23.35 |
| 9 | Alaska | $48,612 | $23.37 |
| 10 | New Mexico | $45,389 | $21.82 |
| 11 | Ohio | $45,371 | $21.81 |
| 12 | Minnesota | $45,823 | $22.03 |
| 13 | Maryland | $49,368 | $23.73 |
| 14 | Indiana | $45,668 | $21.96 |
| 15 | Oregon | $45,300 | $21.78 |
| 16 | Connecticut | $46,025 | $22.13 |
| 17 | Virginia | $46,585 | $22.40 |
| 18 | Wisconsin | $43,410 | $20.87 |
| 19 | New Hampshire | $44,567 | $21.43 |
| 20 | Nebraska | $44,271 | $21.28 |
| 21 | Arkansas | $42,936 | $20.64 |
| 22 | Tennessee | $44,331 | $21.31 |
| 23 | Texas | $44,129 | $21.22 |
| 24 | Colorado | $43,727 | $21.02 |
| 25 | Hawaii | $46,500 | $22.36 |
| 26 | Alabama | $42,117 | $20.25 |
| 27 | Nevada | $44,926 | $21.60 |
| 28 | North Dakota | $40,603 | $19.52 |
| 29 | Iowa | $42,965 | $20.66 |
| 30 | Montana | $42,980 | $20.66 |
| 31 | Georgia | $44,300 | $21.30 |
| 32 | New York | $45,123 | $21.69 |
| 33 | Louisiana | $43,945 | $21.13 |
| 34 | Wyoming | $41,159 | $19.79 |
| 35 | California | $48,643 | $23.39 |
| 36 | Kentucky | $42,548 | $20.46 |
| 37 | Maine | $41,787 | $20.09 |
| 38 | Rhode Island | $41,466 | $19.94 |
| 39 | Vermont | $39,247 | $18.87 |
| 40 | South Carolina | $41,701 | $20.05 |
| 41 | Missouri | $42,836 | $20.59 |
| 42 | Pennsylvania | $42,012 | $20.20 |
| 43 | Idaho | $41,257 | $19.84 |
| 44 | Utah | $40,232 | $19.34 |
| 45 | New Jersey | $44,242 | $21.27 |
| 46 | Florida | $42,078 | $20.23 |
| 47 | North Carolina | $40,514 | $19.48 |
| 48 | Kansas | $40,320 | $19.38 |
| 49 | Oklahoma | $40,574 | $19.51 |
| 50 | South Dakota | $38,030 | $18.28 |
| 51 | Mississippi | $39,412 | $18.95 |
The highest-paying cities for mechanical engineering interns are Palo Alto, CA, Lynnwood, WA, and Hagerstown, MD.
| Rank | City | Avg. salary | Hourly rate |
|---|---|---|---|
| 1 | Palo Alto, CA | $50,648 | $24.35 |
| 2 | Lynnwood, WA | $49,954 | $24.02 |
| 3 | Hagerstown, MD | $49,491 | $23.79 |
| 4 | Fall River, MA | $48,906 | $23.51 |
| 5 | Gilbert, AZ | $47,471 | $22.82 |
| 6 | Newark, DE | $47,213 | $22.70 |
| 7 | Saint Paul, MN | $45,853 | $22.04 |
| 8 | East Hartford, CT | $45,686 | $21.96 |
| 9 | Mason, OH | $45,346 | $21.80 |
| 10 | Camden, NJ | $44,885 | $21.58 |
| 11 | Austin, TX | $44,562 | $21.42 |
| 12 | Atlanta, GA | $44,484 | $21.39 |
| 13 | Syracuse, NY | $44,123 | $21.21 |
| 14 | Fort Collins, CO | $44,115 | $21.21 |
| 15 | Saint Louis, MO | $43,290 | $20.81 |
| 16 | Bentonville, AR | $43,036 | $20.69 |
| 17 | Huntsville, AL | $42,659 | $20.51 |
| 18 | Bradenton, FL | $42,554 | $20.46 |
| 19 | Reading, PA | $42,011 | $20.20 |
| 20 | Charleston, SC | $41,244 | $19.83 |
Mechanical Engineering Interns are the most in-demand in these five cities:
A mechanical engineering internship's salary ranges from $33,000 a year at the 10th percentile to $54,000 at the 90th percentile.

| Percentile | Annual salary | Monthly salary | Hourly rate |
|---|---|---|---|
| 90th Percentile | $54,000 | $4,500 | $26 |
| 75th Percentile | $48,000 | $4,000 | $23 |
| Average | $42,749 | $3,562 | $21 |
| 25th Percentile | $37,000 | $3,083 | $18 |
| 10th Percentile | $33,000 | $2,750 | $16 |
The highest paying types of mechanical engineering interns are senior mechanical engineer, senior mechanical designer, and research engineer.
| Job title | Annual salary | Monthly salary | Hourly rate | Job openings |
|---|---|---|---|---|
| Co-Operations Engineer | $42,618 | $3,552 | $20.49 | 86,804 |
| Student Engineer | $71,947 | $5,996 | $34.59 | 98,036 |
| Field Engineer | $71,874 | $5,989 | $34.55 | 86,015 |
| Research Engineer | $96,945 | $8,079 | $46.61 | 136,763 |
| Engineering Trainee | $60,235 | $5,020 | $28.96 | 79,966 |
| Mechanical Design Drafter | $58,371 | $4,864 | $28.06 | 54,189 |
How would you rate the starting salaries for mechanical engineering internships, as well as the prospects for salary advancement?
Michael Rudisill
Department Head and Professor of Engineering Technology, Northern Michigan University
Top companies hiring mechanical engineering interns now:
Mechanical engineering internship salaries at CDM Smith and Nabors Industries are the highest-paying according to our most recent salary estimates. In addition, the average mechanical engineering internship salary at companies like Pacific Northwest National Laboratory and Los Alamos National Laboratory are highly competitive.
| Rank | Company | Average salary | Hourly rate |
|---|---|---|---|
| 1 | CDM Smith | $62,745 | $30.17 |
| 2 | Nabors Industries | $62,185 | $29.90 |
| 3 | Pacific Northwest National Laboratory | $58,337 | $28.05 |
| 4 | Los Alamos National Laboratory | $57,407 | $27.60 |
| 5 | AECOM | $52,388 | $25.19 |
| 6 | Idaho Power | $50,298 | $24.18 |
| 7 | Waupaca Foundry | $49,091 | $23.60 |
| 8 | Steel Dynamics | $49,032 | $23.57 |
| 9 | Altec | $48,487 | $23.31 |
| 10 | BNSF Railway | $47,675 | $22.92 |
| 11 | CITGO Petroleum | $46,832 | $22.52 |
| 12 | Alliant Energy | $46,417 | $22.32 |
| 13 | Bio-Rad Laboratories | $45,996 | $22.11 |
| 14 | Harrison French and Associates | $45,881 | $22.06 |
| 15 | New Hudson Facades | $45,429 | $21.84 |
| 16 | Agilent Technologies | $45,407 | $21.83 |
| 17 | Black & Veatch | $45,135 | $21.70 |
| 18 | Comtech Telecommunications | $44,749 | $21.51 |
| 19 | Wsp USA Buildings Inc. | $44,587 | $21.44 |
| 20 | Masonite | $44,397 | $21.34 |
The average mechanical engineering internship salary varies across industries:
| Rank | Industry | Average salary | Hourly rate |
|---|---|---|---|
| 1 | Hospitality | $44,983 | $21.63 |
| 2 | Construction | $43,933 | $21.12 |
| 3 | Professional | $42,137 | $20.26 |
| 4 | Automotive | $42,079 | $20.23 |
| 5 | Technology | $41,545 | $19.97 |
| 6 | Manufacturing | $41,267 | $19.84 |
The average mechanical engineering internship salary has risen by $5,182 over the last ten years. In 2014, the average mechanical engineering internship earned $37,567 annually, but today, they earn $42,749 a year. That works out to a 7% change in pay for mechanical engineering interns over the last decade.
Compare mechanical engineering internship salaries for cities or states with the national average over time.
Compare mechanical engineering internship salaries for individual cities or states with the national average.
| Year | Avg. salary | Hourly rate | % Change |
|---|---|---|---|
| 2025 | $42,700 | $20.55 | +1.9% |
| 2024 | $41,900 | $20.16 | +1.2% |
| 2023 | $41,400 | $19.92 | +1.7% |
| 2022 | $40,700 | $19.58 | +2.0% |
| 2021 | $39,900 | $19.19 | +0.7% |
| Company | Job | Location | Date added | Salary |
|---|---|---|---|---|
| Blue Origin | Spring 2026 Structural & Mechanical Engineering Intern-Undergraduate | Seattle, WA | 06/30/2025 | $66,784 |
| Lightspeed La | Mechanical Engineering Intern (Robotics & Embedded Systems) | Bellevue, WA | 06/29/2025 | $69,306 |
| Marathon Petroleum | Intern/Co-Op-Refining Mechanical Engineer Spring 2026 | Findlay, OH | 06/28/2025 | $67,431 |
| Wsp USA Buildings Inc. | Mechanical Engineering Intern-Summer 2025 | Somers Point, NJ | 06/27/2025 | $39,924 |
| Global Medical Response | Mechanic Intern | Tempe, AZ | 06/27/2025 | $41,740 |
| Dddsystems | Electro Mechanical Engineer Intern | San Diego, CA | 06/27/2025 | $43,827 |
| Ttm Technologies | Mechanical Engineer Intern-Fall 2025 | Syracuse, NY | 06/27/2025 | $33,319 |
| Bae Systems | Mechanical Engineering Co-Op Internship, AUG-DEC 2025 | Manchester, NH | 06/20/2025 | $44,660 |
| Bae Systems | Mechanical Engineering Internship | Cedar Rapids, IA | 06/19/2025 | $45,526 |
| Joby Aviation | Mechanical Engineer Intern-System Electronics | San Carlos, CA | 06/19/2025 | $41,740 |
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