How many employees work at Argonne National Lab?

Argonne National Laboratory has approximately 4,394 total employees worldwide as of March 2026, according to Revelio Labs workforce intelligence data. Argonne National Lab’s total headcount has declined 0.5% from 4,418 employees in 2023 to 4,394 in 2026.

Data source: Revelio LabsCoverage: Global workforce, 20232026Published August 2026

Is Argonne National Lab hiring right now?

Yes, Argonne National Lab is actively hiring. Argonne National Lab had 307 active job postings in 2026, a 7.2% decline from 2025 see job openings & hiring trends.

About Argonne National Lab’s Workforce

Argonne National Laboratory is a Research and Development company that employs 4,394 people worldwide as of March 2026. It is the 5th-largest by headcount among its peers. Founded in 1946, the company is headquartered in Lemont, Illinois.

Argonne National Lab's workforce has held roughly steady from 2023 to 2026, down 1.5% year over year in 2026. It fell to a low of 4,272 in 2024 Q1 before recovering. Its workforce is concentrated most in North America (99.0%), followed by South Asia (0.2%) and Northern Europe (0.2%).

Argonne National Lab's functional groups are Finance and Operations (52.6%), Engineering (24.6%), and Sales and Marketing (22.8%). The average salary is $108,209, ranging from a median of $106,000 in Western Europe to $4,000 in Sub-Saharan Africa.

Argonne National Lab's active job postings fell 7.2% in 2026 to 307, with new postings per month climbing from 105 in 2023 to 112 in 2026. Overall employee sentiment is positive and broadly stable.

Sourced from Revelio Labs workforce data.

Headquarters
Lemont, Illinois
Founded
1946
Industry
Research and Development
Employees
4,394
YoY
-1.5% (-18)

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Argonne National Lab Annual Employee Count (2023-2026)

Interactive chart of Argonne National Lab annual worldwide employee count from 2023 to 2026.
  • Argonne National Lab had 4,394 employees in 2026, a 1.5% decline (-18) from 2025.
  • Argonne National Lab had 4,378 employees in 2025, a 1.2% decline (-12) from 2024.
  • Argonne National Lab had 4,390 employees in 2024, a 0.2% decline (+112) from 2023.
  • Argonne National Lab had 4,278 employees in 2023, a 1.2% increase (+176) from 2022.

Argonne National Lab's total workforce has declined from 4,418 employees in 2023 to 4,394 in 2026. Argonne National Lab's headcount peaked at 4,651 in 2025.

Argonne National Laboratory quarterly employee count

YearQtrEmployeesYoY ChangeYoY %
2026Q14,394-18-1.5%
2025Q44,378-12-1.2%
2025Q34,405+43-0.5%
2025Q24,651+103-0.1%
2025Q14,412+140+0.4%
2024Q44,390+112-0.2%
2024Q34,362+87-0.7%
2024Q24,548+130+0.3%
2024Q14,272+136+0.6%
2023Q44,278+176+1.2%
2023Q34,275+183+1.4%
2023Q24,418+170+1.4%

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Argonne National Lab Employee Count by Region (2026)

North America accounts for the largest share of Argonne National Lab's global workforce with approximately 99% of total employees, followed by South Asia and Northern Europe.

Argonne National Lab employees by region

RegionEmployees% of Total
North America4,30399.0%
South Asia90.2%
Northern Europe80.2%
Sub-Saharan Africa60.1%
Western Europe40.1%
East Asia40.1%
South America30.1%
Southeast Asia20.0%
Pacific Islands20.0%
Southern Europe10.0%

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Argonne National Lab Employee Count by Department (2026)

Argonne National Lab's employee groups are Finance and Operations (52.6%), Engineering (24.6%), and Sales and Marketing (22.8%).

Argonne National Lab employees by department

DepartmentEmployees% of Total
Finance and Operations2,26852.6%
Engineering1,06324.6%
Sales and Marketing98322.8%

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Argonne National Lab Employee Salary by Region (2026)

Argonne National Lab's average employee salary is $108,209 globally. Employees in Western Europe receive the highest compensation. Pay is lowest in Sub-Saharan Africa, at a median of $4,000.

Argonne National Lab median employee salary by region (USD)

RegionMedian Salary
Western Europe$106,000
North America$105,000
Northern Europe$68,000
Southern Europe$39,000
East Asia$26,000
South Asia$5,000
Sub-Saharan Africa$4,000

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Argonne National Lab Job Openings and Hiring Trends (2023-2026)

Interactive chart of Argonne National Lab annual active job postings from 2023 to 2026.
  • Argonne National Lab had 307 active job postings in 2026, a 7.2% decline (+211) from 2025.
  • Argonne National Lab had 96 active job postings in 2025, a 52.3% decline (-68) from 2024.
  • Argonne National Lab had 164 active job postings in 2024, a 1.8% decline (-3) from 2023.
  • Argonne National Lab had 167 active job postings in 2023, a 76.3% decline from 2022.
  • Hiring velocity in 2026: 112 new roles/month, up from 72 in 2025 and 131 in 2024.

Argonne National Lab's active job postings fell 7.2% in 2026 to 307, with new postings per month climbing from 105 in 2023 to 112 in 2026.

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Argonne National Lab Employee Sentiment (2026)

Revelio Labs tracks employee sentiment across Argonne National Lab's workforce based on public professional data. Overall sentiment is positive and has held steady year over year in 2026.

Overall

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Frequently Asked Questions About Argonne National Lab

How fast is Argonne National Lab growing?
In 2026, Argonne National Lab's headcount shrank 1.5% to 4,394 employees, down from 4,412 in 2025.
See the full headcount history
Where are Argonne National Lab employees located?
Most Argonne National Lab employees are based in North America (99.0% of headcount), followed by South Asia and Northern Europe.
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What is the average salary at Argonne National Lab?
The average employee salary at Argonne National Lab is approximately $108.2k per year.
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How many new job postings does Argonne National Lab open per year?
In Q1 2026, Argonne National Lab opened 337 new job postings. In 2025, Argonne National Lab opened 861 new job postings — about 72 per month.
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When was Argonne National Lab founded and where is it headquartered?
Argonne National Lab was founded in 1946 and is headquartered in Lemont, Illinois.
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