How many employees work at California Inst of Tech?

California Institute of Technology has approximately 3,774 total employees worldwide as of March 2026, according to Revelio Labs workforce intelligence data. California Inst of Tech’s total headcount has grown 1.6% from 3,715 employees in 2023 to 3,774 in 2026.

Data source: Revelio LabsCoverage: Global workforce, 2023–2026Published August 2026

Is California Inst of Tech hiring right now?

Yes, California Inst of Tech is actively hiring. California Inst of Tech had 149 active job postings in 2026, a 42.7% decline from 2025 — see job openings & hiring trends.

About California Inst of Tech’s Workforce

California Institute of Technology is a Research and Development company that employs 3,774 people worldwide as of March 2026. It is the 5th-largest by headcount among its peers. Founded in 1891, the company is headquartered in Pasadena, California.

California Inst of Tech's workforce has grown 1.6% from 2023 to 2026, though it is down 2.7% year over year in 2026. It fell to a low of 3,707 in 2025 Q3 before recovering. Its workforce is concentrated most in North America (97.5%), followed by East Asia (0.8%) and South Asia (0.3%).

California Inst of Tech's functional groups are Finance and Operations (59.2%), Sales and Marketing (21.0%), and Engineering (19.8%), with Engineering growing fastest (up 0.6%). The average salary is $95,755, ranging from a median of $82,000 in North America to $10,000 in South Asia.

California Inst of Tech's active job postings fell 42.7% in 2026 to 149, with new postings per month cooling from 117 in 2023 to 70 in 2026. Overall employee sentiment is positive and improving.

Sourced from Revelio Labs workforce data.

Headquarters
Pasadena, California
Founded
1891
Industry
Research and Development
Employees
3,774
YoY
-2.7% (-29)

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California Inst of Tech Annual Employee Count (2023-2026)

Interactive chart of California Inst of Tech annual worldwide employee count from 2023 to 2026.
  • California Inst of Tech had 3,774 employees in 2026, a 2.7% decline (-29) from 2025.
  • California Inst of Tech had 3,746 employees in 2025, a 2.3% decline (-66) from 2024.
  • California Inst of Tech had 3,812 employees in 2024, a 1.3% decline (+86) from 2023.
  • California Inst of Tech had 3,726 employees in 2023, a 0.5% decline (+95) from 2022.

California Inst of Tech's total workforce has grown from 3,707 employees in 2025 to 3,774 in 2026. California Inst of Tech's headcount peaked at 3,855 in 2024 before declining in 2025 and recovering through 2026.

California Institute of Technology quarterly employee count

YearQtrEmployeesYoY ChangeYoY %
2026Q13,774-29-2.7%
2025Q43,746-66-2.3%
2025Q33,707-132-3.5%
2025Q23,782-73-2.7%
2025Q13,803+85-1.1%
2024Q43,812+86-1.3%
2024Q33,839+120-0.9%
2024Q23,855+140-1.3%
2024Q13,718+65-1.6%
2023Q43,726+95-0.5%
2023Q33,719+105-0.1%
2023Q23,715+141+0.5%

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California Inst of Tech Employee Count by Region (2026)

North America accounts for the largest share of California Inst of Tech's global workforce with approximately 98% of total employees, followed by East Asia and South Asia.

California Inst of Tech employees by region

RegionEmployees% of Total
North America3,64797.5%
East Asia310.8%
South Asia130.3%
Western Europe120.3%
Northern Europe100.3%
Southeast Asia70.2%
Sub-Saharan Africa60.2%
Pacific Islands40.1%
South America30.1%
Eastern Europe20.1%

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California Inst of Tech Employee Count by Department (2026)

California Inst of Tech's employee groups are Finance and Operations (59.2%), Sales and Marketing (21.0%), and Engineering (19.8%).

California Inst of Tech employees by department

DepartmentEmployees% of Total
Finance and Operations2,22459.2%
Sales and Marketing78821.0%
Engineering74519.8%

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California Inst of Tech Employee Salary by Region (2026)

California Inst of Tech's average employee salary is $95,755 globally. Employees in North America receive the highest compensation. Pay is lowest in South Asia, at a median of $10,000.

California Inst of Tech median employee salary by region (USD)

RegionMedian Salary
Pacific Islands$94,000
North America$82,000
Western Europe$61,000
Northern Europe$58,000
Central and Western Asia$33,000
East Asia$25,000
Southeast Asia$13,000
South America$10,000
South Asia$10,000
Sub-Saharan Africa$9,000

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California Inst of Tech Job Openings and Hiring Trends (2023-2026)

Interactive chart of California Inst of Tech annual active job postings from 2023 to 2026.
  • California Inst of Tech had 149 active job postings in 2026, a 42.7% decline (+11) from 2025.
  • California Inst of Tech had 138 active job postings in 2025, a 15.6% increase (+20) from 2024.
  • California Inst of Tech had 118 active job postings in 2024, a 5.2% increase (+6) from 2023.
  • California Inst of Tech had 112 active job postings in 2023, a 71.3% decline from 2022.
  • Hiring velocity in 2026: 70 new roles/month, down from 91 in 2025 and 106 in 2024.

California Inst of Tech's hiring is slowing: active job postings fell 42.7% in 2026 to 149, with new postings per month cooling from 117 in 2023 to 70 in 2026.

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California Inst of Tech Employee Sentiment (2026)

Revelio Labs tracks employee sentiment across California Inst of Tech's workforce based on public professional data. Overall sentiment is positive and has improved year over year in 2026.

Overall

NegativePositive

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Frequently Asked Questions About California Inst of Tech

How fast is California Inst of Tech growing?
In 2026, California Inst of Tech's headcount shrank 2.7% to 3,774 employees, down from 3,803 in 2025.
See the full headcount history
Where are California Inst of Tech employees located?
Most California Inst of Tech employees are based in North America (97.5% of headcount), followed by East Asia and South Asia.
Explore where the workforce is based
What is the average salary at California Inst of Tech?
The average employee salary at California Inst of Tech is approximately $95.8k per year.
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How many new job postings does California Inst of Tech open per year?
In Q1 2026, California Inst of Tech opened 210 new job postings. In 2025, California Inst of Tech opened 1,093 new job postings — about 91 per month.
Track hiring trends by role
When was California Inst of Tech founded and where is it headquartered?
California Inst of Tech was founded in 1891 and is headquartered in Pasadena, California.
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