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Caltech's undergraduate class of 2023 stand together in graduation regalia on campus.
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By the Numbers

Numbers are a way of life at Caltech. Learn more about the Institute's community and accomplishments through statistics.

Facts At a Glance

1891

Caltech's founding year

124

acre campus

50+

research centers, institutes, and facilities

90K+

research papers published

3:1

student-faculty ratio

6

academic divisions

26

undergraduate options (majors)

27

graduate options

Caltech Community

1,000

undergraduate students

1,400

graduate students

25K

living alumni

300

professorial faculty

600

postdoctoral scholars

8,000

employees

Honors and Awards

48

Nobel Prizes

68

National Medals of Science

15

National Medals of Technology and Innovation

118

National Academies memberships

Industry Impact

2,000+

active U.S. patents

100+

Caltech-affiliated start-ups launched over the last decade

$1.5M

deployed by the Caltech Seed Fund each year to help promising Caltech-affiliated start-ups get off the ground

Statistics are approximate and were last updated January 2025.