How many employees work at Southern Illinois University?

Southern Illinois University has 2,623 employees, according to Revelio Labs workforce intelligence data. The YoY growth rate is 2.7%.

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

About Southern Illinois University

You can become part of the excitement that is SIUE, a nationally recognized university educating and developing professional and community leaders through excellent faculty and programs. With a student-to-teacher ratio of 17 to 1, SIUE offers the advantages of a small, liberal arts college with one of the lowest tuitions of 12 state universities in Illinois. In addition, the University's emphasis on undergraduate education, complemented by faculty research, creates practical applications for student learning. And, at SIUE, students interact with faculty at all levels - a critical factor in academic success. Only 25 minutes from downtown St. Louis - with its nationally known Fortune 500 companies, professional sports, cultural offerings and transportation that puts you within minutes of just about anywhere in the Metro Area - the SIUE campus is situated on 2,660 acres of beautiful woodland atop the bluffs overlooking the natural beauty of the Mississippi River's rich bottom land. Shaping the future in the St. Louis Metro Area since 1957, the University offers quality undergraduate study and programming forged with a solid commitment to the economic development of southwestern Illinois. As important as location, affordability, and teacher-student ratios, this is an institution with a clear purpose and a clear mission. There is ample evidence that, as a premier metropolitan University, SIUE has achieved excellence in undergraduate education. Learn more at siue.edu.

As of September 2025

Southern Illinois University
workforce metrics

Headcount

2.6k

Avg. Salary

$92.5k

Tenure

5.5yr

Growth Rate

2.7%

Hiring Rate

Attrition Rate

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Employee Headcount

Interactive chart of Southern Illinois University annual worldwide employee count from 2023 to 2025.

  • Southern Illinois University total number of employees in 2025 was 2,631.209, a 2.7% increase from 2024.
  • Southern Illinois University total number of employees in 2024 was 2,561.814, a 1.7% increase from 2023.
  • Southern Illinois University total number of employees in 2023 was 2,516.139, a 4.1% 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 Southern Illinois University annual active job postings from 2023 to 2025.

  • Southern Illinois University active job postings in 2025 was 868, a 16.1% increase from 2024.
  • Southern Illinois University active job postings in 2024 was 997, a 160.3% increase from 2023.
  • Southern Illinois University active job postings in 2023 was 110, a 129.8% decline from 2022.

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Employee Sentiment

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