How many employees work at Argonne National Lab?

Argonne National Laboratory has 5,544 employees, according to Revelio Labs workforce intelligence data. The YoY growth rate is 1.6%.

Data source: Revelio Labs Coverage: Global workforce Latest update: September 2025

About Argonne National Lab

The Argonne Leadership Computing Facility (ALCF) is a national scientific user facility that provides supercomputing resources and expertise to the scientific and engineering community to accelerate the pace of discovery and innovation in a broad range of disciplines. As a key player in the nation’s efforts to deliver future exascale computing capabilities, the ALCF is also helping to advance scientific computing through a convergence of simulation, data science, and machine learning methods. ALCF computing resources are significantly more powerful than systems typically used for scientific research and are available to researchers from universities, industry, and government agencies. Through substantial awards of supercomputing time and user support services, the ALCF enables large-scale computing projects aimed at solving some of the world’s largest and most complex problems in science and engineering. Supported by the U.S. Department of Energy’s (DOE) Office of Science, Advanced Scientific Computing Research (ASCR) program, the ALCF is one of two DOE Leadership Computing Facilities in the nation dedicated to open science.

As of September 2025

Argonne National Lab
workforce metrics

Headcount

5.5k

Avg. Salary

$106.8k

Tenure

7.3yr

Growth Rate

1.6%

Hiring Rate

Attrition Rate

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Employee Headcount

Interactive chart of Argonne National Lab annual worldwide employee count from 2023 to 2025.

  • Argonne National Lab total number of employees in 2025 was 5,639.64, a 1.6% increase from 2024.
  • Argonne National Lab total number of employees in 2024 was 5,466.432, a 2.0% increase from 2023.
  • Argonne National Lab total number of employees in 2023 was 5,339.96, a 4.7% increase from 2022.

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Employee Geographic Breakdown

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Employee Role Breakdown

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Employee Compensation

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Active Job Postings

Interactive chart of Argonne National Lab annual active job postings from 2023 to 2025.

  • Argonne National Lab active job postings in 2025 was 499, a 26.4% decline from 2024.
  • Argonne National Lab active job postings in 2024 was 846, a 58.1% increase from 2023.
  • Argonne National Lab active job postings in 2023 was 465, a 107.9% decline from 2022.

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Employee Sentiment

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