As of July 01, 2026, the average salary for an Assistant Professor in Illinois is $69,647 per year, which breaks down to an hourly rate of $33.
However, an Assistant Professor's salary can vary significantly. Here’s a look at the typical salary range:
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Assistant Professor Salaries by Percentile
| Annual Salary |
Monthly Pay |
Weekly Pay |
Hourly Wage |
|
| 75th Percentile | $78,985 | $6,582 | $1,519 | $38 |
| Average | $69,647 | $5,804 | $1,339 | $33 |
| 25th Percentile | $59,646 | $4,971 | $1,147 | $29 |
The University of Tennessee - Knoxville, IL
University of Michigan-Dept. of Otolaryngology-Head & Neck Surgery - Lansing, IL
University of Illinois College of Medicine at Peoria - Peoria, IL
Department of Surgery - Smith Park, IL
An Assistant Professor's salary isn't a fixed number. It's shaped by several important factors. Below, we'll explore how your years of experience, geographic location and company size can directly affect your earning potential.
Your salary can change significantly depending on where you work. States with a higher cost of living and strong industrial sectors often pay more to attract Assistant Professors. For example, consider the average annual salaries in these key locations:
Salaries can also vary between different cities. Major metropolitan areas or cities with a high demand for technicians often offer more competitive pay. Here are a few examples of average annual salaries in different U.S. cities:
For Assistant Professor roles, the industry you choose can impact your earning potential by as much as 20% (the gap between the highest and lowest paying industries). Data shows that the highest-paying industry, Government, offers compensation 10% above the average. Conversely, Assistant Professor positions in Nonprofit typically offer lower base pay, as this sector often view Assistant Professor as a support function rather than a direct revenue driver.
| Industry Sector | Average Annual Salary | Average Hourly Rate | Pay vs.Avg |
|---|---|---|---|
| Government | $76,612 | $37.0 | 10% |
Understanding how an Assistant Professor's annual salary breaks down can help with budgeting. Below, you can see the average hourly rate, weekly pay, and monthly pay for this role. Use the buttons to switch between different pay periods.
| Annual Salary | Monthly Pay | Weekly Pay | Hourly Wage | |
|---|---|---|---|---|
| 75th Percentile | $78,985 | $6,582 | $1,519 | $38 |
| Average | $69,647 | $5,804 | $1,339 | $33 |
| 25th Percentile | $59,646 | $4,971 | $1,147 | $29 |
Ready to take the next step in your career? Browse thousands of current Assistant Professor job openings on our job board. Use the search bar below to find your perfect match.
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Salary.com salary estimates, histograms, trends, and comparisons are derived from both employer job postings and third-party data sources. We also provide multiple percentiles of salary information for your reference, click here to know Why the Salary Midpoint Formula Is Crucial to Getting Pay Equity Right. With more online, real-time compensation data than any other website, Salary.com helps you determine your exact pay target.
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