How many employees work at Idaho National Laboratory?
Idaho National Laboratory (United States) has 4,229 employees, according to Revelio Labs workforce intelligence data. The YoY growth rate is 0.8%.
Data source: Revelio Labs Coverage: Global workforce Latest update: September 2025
About Idaho National Laboratory
In operation since 1949, Idaho National Laboratory is a science-based, applied engineering national laboratory dedicated to supporting the U.S. Department of Energy's missions in energy research, nuclear science and national defense. The world's first usable amount of electricity from nuclear energy was generated here in 1951. At 890 square miles (569,135 acres), the INL Site is roughly 85 percent the size of Rhode Island. In addition to our geographic resources, the lab hosts a variety of unique facilities, including the Advanced Test Reactor National Scientific User Facility. Complementing our nuclear research, the lab has numerous alternative energy and national security programs. Robotics, wind power, high-performance computing, biofuels, critical infrastructure protection, carbon management and advanced vehicle testing are just a few examples of our multifaceted research capabilities. If you are looking for a 21st-century energy or technology career, visit our Careers tab at www.inl.gov.
As of September 2025
Idaho National Laboratory
workforce metrics
Headcount
4.2k
Avg. Salary
$109.6k
Tenure
5.7yr
Growth Rate
0.8%
Hiring Rate
Attrition Rate
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Employee Headcount
Interactive chart of Idaho National Laboratory annual worldwide employee count from 2023 to 2025.
- Idaho National Laboratory total number of employees in 2025 was 4,292.451, a 0.8% increase from 2024.
- Idaho National Laboratory total number of employees in 2024 was 4,204.66, a 4.9% increase from 2023.
- Idaho National Laboratory total number of employees in 2023 was 4,001.072, a 8.2% increase from 2022.
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Employee Geographic Breakdown
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Active Job Postings
Interactive chart of Idaho National Laboratory annual active job postings from 2023 to 2025.
- Idaho National Laboratory active job postings in 2025 was 303, a 95.2% decline from 2024.
- Idaho National Laboratory active job postings in 2024 was 621, a 5.2% decline from 2023.
- Idaho National Laboratory active job postings in 2023 was 654, a 28.3% decline from 2022.
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Employee Sentiment
Sentiment Topics
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