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Caltech

California Institute of Technology

3.1%

01Acceptance 02Tuition 03Transfer 04ROI 05AP Credit 06Majors 07Housing 08International

Caltech Majors Overview: Salary, Courses & Career Outcomes

Every major at Caltech with graduate salary, course catalog depth, and career preparation data.

#	Major	US Rank	Caltech Salary	National Median	Premium	Degrees/Year	Courses
1	Computer Science	—	$133,687	$75,000	+78%	71	—
2	Engineering	—	$128,339	$72,000	+78%	84	—
3	Mathematics & Statistics	—	$110,514	$62,000	+78%	25	—
4	Physical Sciences	—	$85,560	$48,000	+78%	38	—
5	Biological Sciences	—	$65,100	$42,000	+55%	14	—

Career Path Match at Caltech 🎖️ DeepColleges Exclusive

How many courses at Caltech align with each career direction. More relevant courses mean better preparation for your target career.

AI / Machine Learning 3

Quantum Computing 3

Data Science & Analytics 2

Robotics & Autonomous Systems 2

FinTech & Blockchain 2

Bioinformatics & Computational Biology 2

Aerospace Engineering 2

Space Industry & NewSpace 2

Marine & Ocean Science 2

Software Engineering 1

Cybersecurity 1

Game Development & Design 1

UX / Product Design 1

Cloud Computing & DevOps 1

AR / VR / Spatial Computing 1

Digital Health & Telemedicine 1

Clean Energy & Sustainability Engineering 1

Biomedical Engineering 1

Civil Engineering & Infrastructure 1

Chemical & Materials Engineering 1

Electrical & Hardware Engineering 1

Environmental Engineering 1

Mechanical & Manufacturing Engineering 1

Actuarial Science & Insurance 1

Mathematics & Pure Research 1

Pharmacy & Drug Development 1

Chemistry & Pharmaceutical Research 1

Physics & Astrophysics 1

Climate & Earth Science 1

Pre-Med / Clinical Medicine 1

Neuroscience & Brain Research 1

Public Health & Epidemiology 1

Biotechnology & Genetics 1

Highest & Lowest ROI Majors at Caltech

Highest-Earning Majors

Computer Science

$133,687/yr

Engineering

$128,339/yr

Mathematics & Statistics

$110,514/yr

Lowest-Earning Majors

Biological Sciences

$65,100/yr

Physical Sciences

$85,560/yr

Mathematics & Statistics

$110,514/yr

Popular Majors at Caltech

The most popular fields of study, ranked by the number of degrees awarded.

Engineering

36.1%

Computer Science

30.5%

Physical Sciences

16.3%

Mathematics/Statistics

10.7%

Biological Sciences

6.0%

Caltech Majors FAQs

What are the most popular majors at Caltech?

Caltech's most popular majors by share of degrees awarded are: Engineering (36.1%), Computer Science (30.5%), Physical Sciences (16.3%). The full ranking by graduate salary is in the table above.

Which major at Caltech pays the most?

The highest-earning major at Caltech is Computer Science, with a median 4-year-out salary of $133,687 — well above the school-wide median of $128,566.

Are some majors at Caltech harder to get into than others?

Yes. Caltech's overall acceptance rate is 3.1%, but selective programs (computer science, business, engineering, nursing) often admit at lower rates than the school-wide average. Check program-specific admission stats where available.

Should I pick my major based on salary at Caltech?

Salary should be one factor, not the only one. Major choice impacts earnings (engineering and CS typically lead) but career fit, course interest, and graduation-rate within the major also matter. The salary table above shows the median pay by program at Caltech.