Mechanical Engineering at California Polytechnic State University-San Luis Obispo
Bachelor's Degree
calpoly.eduAnalysis
Cal Poly San Luis Obispo's mechanical engineering program launches graduates into strong earnings—$83,011 in the first year—that place them in the 95th percentile nationally. That's $12,000 above what the typical mechanical engineering grad earns and competitive with what Berkeley and USC graduates make. With just $20,500 in median debt, the debt-to-earnings ratio of 0.25 means graduates can reasonably pay off loans in under three months of work, one of the cleaner financial pictures you'll find in engineering.
Here's the context that matters for California families: while this program ranks exceptionally well nationally, it sits at the 60th percentile among California's 29 mechanical engineering programs. That's not a weakness—it reflects how strong California's engineering schools are overall. Cal Poly still outearns the state median by over $10,000 and costs less in debt than the state average. The 17% earnings growth to nearly $98,000 by year four shows steady career progression.
For families weighing Cal Poly against more expensive private options or even some UC campuses, the math here is straightforward. Your child gets top-tier earning potential with minimal debt burden, backed by a robust sample size that confirms these outcomes are reliable. The 30% admission rate means it's selective enough to ensure strong peers and recruiting, but not so exclusive that admission becomes a lottery.
Where California Polytechnic State University-San Luis Obispo Stands
Earnings vs. debt across all mechanical engineering bachelors's programs nationally
Earnings Distribution
How California Polytechnic State University-San Luis Obispo graduates compare to all programs nationally
Earnings Over Time
How earnings evolve from 1 year to 4 years after graduation
| School | 1 Year | 4 Years | Growth |
|---|---|---|---|
| California Polytechnic State University-San Luis Obispo | $83,011 | $97,466 | +17% |
| California State University Maritime Academy | $92,315 | $101,325 | +10% |
| Santa Clara University | $81,865 | $99,067 | +21% |
| University of California-Berkeley | $88,497 | $98,455 | +11% |
| University of California-Los Angeles | $79,016 | $97,701 | +24% |
Compare to Similar Programs in California
Mechanical Engineering bachelors's programs at peer institutions in California (29 total in state)
Scroll to see more →
| School | In-State Tuition | Earnings (1yr) | Earnings (4yr) | Median Debt | Debt/Earnings |
|---|---|---|---|---|---|
| $11,075 | $83,011 | $97,466 | $20,500 | 0.25 | |
| $7,672 | $92,315 | $101,325 | $19,690 | 0.21 | |
| $14,850 | $88,497 | $98,455 | $13,200 | 0.15 | |
| $68,237 | $83,356 | $93,001 | $17,500 | 0.21 | |
| $59,241 | $81,865 | $99,067 | $19,500 | 0.24 | |
| $14,965 | $81,108 | $90,072 | $15,908 | 0.20 | |
| National Median | — | $70,744 | — | $24,755 | 0.35 |
Career Paths
Occupations commonly associated with mechanical engineering graduates
Architectural and Engineering Managers
Biofuels/Biodiesel Technology and Product Development Managers
Aerospace Engineers
Mechanical Engineers
Fuel Cell Engineers
Automotive Engineers
Engineering Teachers, Postsecondary
Cost Estimators
About This Data
Source: U.S. Department of Education College Scorecard (October 2025 release)
Population: Graduates who received federal financial aid (Title IV grants or loans). At California Polytechnic State University-San Luis Obispo, approximately 18% of students receive Pell grants. Students who did not receive federal aid are not included in these figures.
Earnings: Median earnings from IRS W-2 data for graduates who are employed and not enrolled in further education, measured 1 year after completion. Earnings are pre-tax and include wages, salaries, and self-employment income.
Debt: Median cumulative federal loan debt at graduation. Does not include private loans or Parent PLUS loans borrowed on behalf of students.
Sample Size: Based on 235 graduates with reported earnings and 213 graduates with debt data. Small samples may not be representative.