Faculty Salary By Academic Rank at Illinois State University
The 2025 average faculty salary is $85,250 at Illinois State University across all academic ranks. Illinois State's faculty salary increased by 6.11% compared to the 2024 salary.
At Illinois State University, by academic rank:
- The average professor salary is $107,192, representing a 4.31% increase from the previous year (+$4,430).
- The average associate professor salary is $93,698, representing a 5.89% increase from the previous year (+$5,208).
- The average assistant professor salary is $80,752, representing a 2.58% increase from the previous year (+$2,030).
- The average lecturer salary is $54,530, representing a 6.58% increase from the previous year (+$3,366).
Average Salary by Academic Rank Chart
This chart summarizes average faculty salary by academic rank at Illinois State University for the most recent year and the prior year.
The side-by-side bars compare current versus previous salaries for each rank, while the line shows the percentage change to highlight increases, decreases, or no change.
Faculty Salary By Gender
The following tables show the average faculty salary by academic rank and gender at Illinois State University.
At Illinois State, the average male faculty's salary is $90,930 and female faculty's is $80,186. The difference in salary between male and female faculty $10,744, with male faculty' annual salary being 13.4% higher than that of female faculty.
| Contract Length | Total | Men | Women |
|---|---|---|---|
| Equated to 9-Month Contract | $85,250 +$4,907 (6.11%) |
$90,930 +$4,203 (4.85%) |
$80,186 +$5,478 (7.33%) |
| 9-Month Contract | $85,786 +$4,858 (6.00%) |
$91,062 +$4,151 (4.78%) |
$80,886 +$5,464 (7.24%) |
| 10-Month Contract | $98,738 -$102 (-0.10%) |
$100,340 +$2,950 (3.03%) |
$98,338 -$1,227 (-1.23%) |
| 11-Month Contract | No Faculty with 11-Month Contract | ||
| 12-Month Contract | $84,532 +$3,782 (4.68%) |
$97,035 +$7,175 (7.98%) |
$82,558 +$3,392 (4.28%) |
The average salary for Illinois State's 266 Professor is $107,192. By gender, the average male professor salary is $111,253, and that of female professor is $101,063. The salary difference between male and female professor is $10,190, which means male professor's salary is 10.08% higher than female professor's salary.
| Contract Length | Total | Men | Women |
|---|---|---|---|
| Equated to 9-Month Contract | $107,192 +$4,430 (4.31%) |
$111,253 +$3,805 (3.54%) |
$101,063 +$5,308 (5.54%) |
| 9-Month Contract | $107,524 +$4,403 (4.27%) |
$111,730 +$3,969 (3.68%) |
$101,050 +$5,055 (5.27%) |
| 10-Month Contract | $115,280 +$12,080 (11.71%) |
$100,340 +$2,950 (3.03%) |
$122,750 +$13,740 (12.60%) |
| 11-Month Contract | No Professor with 11-Month Contract | ||
| 12-Month Contract | $117,746 +$4,179 (3.68%) |
$112,433 +$6,245 (5.88%) |
$123,060 +$7,033 (6.06%) |
The average salary for Illinois State's 218 Associate professor is $93,698. By gender, the average male associate professor salary is $94,233, and that of female associate professor is $93,236. The salary difference between male and female associate professor is $997, which means male associate professor's salary is 1.07% higher than female associate professor's salary.
| Contract Length | Total | Men | Women |
|---|---|---|---|
| Equated to 9-Month Contract | $93,698 +$5,208 (5.89%) |
$94,233 +$3,972 (4.40%) |
$93,236 +$6,378 (7.34%) |
| 9-Month Contract | $94,367 +$5,107 (5.72%) |
$94,233 +$3,598 (3.97%) |
$94,488 +$6,541 (7.44%) |
| 10-Month Contract | $92,850 +$2,730 (3.03%) |
- | $92,850 +$2,730 (3.03%) |
| 11-Month Contract | No Associate professor with 11-Month Contract | ||
| 12-Month Contract | $89,825 +$1,371 (1.55%) |
- - |
$89,825 +$3,840 (4.47%) |
The average salary for Illinois State's 184 Assistant professor is $80,752. By gender, the average male assistant professor salary is $82,291, and that of female assistant professor is $79,515. The salary difference between male and female assistant professor is $2,776, which means male assistant professor's salary is 3.49% higher than female assistant professor's salary.
| Contract Length | Total | Men | Women |
|---|---|---|---|
| Equated to 9-Month Contract | $80,752 +$2,030 (2.58%) |
$82,291 +$174 (0.21%) |
$79,515 +$3,270 (4.29%) |
| 9-Month Contract | $81,830 +$2,003 (2.51%) |
$82,291 +$174 (0.21%) |
$81,428 +$3,419 (4.38%) |
| 10-Month Contract | No Assistant professor with 10-Month Contract | ||
| 11-Month Contract | No Assistant professor with 11-Month Contract | ||
| 12-Month Contract | $76,050 +$1,449 (1.94%) |
- | $76,050 +$1,449 (1.94%) |
The average salary for Illinois State's 223 Lecturer is $54,530. By gender, the average male lecturer salary is $53,566, and that of female lecturer is $55,039. The salary difference between male and female lecturer is $1,473, which means male lecturer's salary is 2.68% lower than female lecturer's salary.
| Contract Length | Total | Men | Women |
|---|---|---|---|
| Equated to 9-Month Contract | $54,530 +$3,366 (6.58%) |
$53,566 +$3,081 (6.10%) |
$55,039 +$3,497 (6.78%) |
| 9-Month Contract | $54,665 +$3,390 (6.61%) |
$53,618 +$3,105 (6.15%) |
$55,230 +$3,516 (6.80%) |
| 10-Month Contract | $55,000 | - | $55,000 |
| 11-Month Contract | No Lecturer with 11-Month Contract | ||
| 12-Month Contract | $66,240 +$2,490 (3.91%) |
$66,240 +$2,240 (3.50%) |
$66,240 +$2,526 (3.96%) |
Faculty Salary Changes over Past 5 Years
The average salary for Illinois State faculty has increased 12.46%, from $74,626 to $85,250. Professor salaries increased by 10.14%, associate professor salaries increased by 16.03%, and assistant professor salaries increased by 6.06% at Illinois State University.
| Year | All Faculty | Professor | Associate Professor | Assistant Professor | Instructor |
|---|---|---|---|---|---|
| 2019 | $74,626 | $96,324 | $78,679 | $75,861 | - |
| 2020 | $75,951 | $97,632 1.36% | $80,718 2.59% | $76,273 0.54% | - |
| 2021 | $77,482 | $98,383 0.77% | $82,475 2.18% | $76,007 0.35% | - |
| 2022 | $77,055 | $96,704 1.71% | $83,460 1.19% | $75,828 0.24% | - |
| 2023 | $80,666 | $101,858 5.33% | $89,258 6.95% | $79,104 4.32% | - |
| 2024 | $80,343 | $102,762 0.89% | $88,490 0.86% | $78,722 0.48% | - |
| 2025 | $85,250 | $107,192 4.31% | $93,698 5.89% | $80,752 2.58% | - |
| 5 Years Change | $10,624 12.46% | $10,868 10.14% | $15,019 16.03% | $4,891 6.06% | - - |
Faculty Salary Trends Chart by Academic Rank
This interactive faculty salary trends chart shows year-by-year average salaries for all faculty, professors, associate professors, assistant professors, and instructors at Illinois State University. It highlights long-term salary growth, rank-by-rank changes, and historical comparisons to help evaluate compensation trends and academic rank salary patterns over the past 5 years.
How Illinois State Faculty Salary Compared?
Illinois State's average faculty salary is $85,250. Illinois State's faculty salary is higher than the national average faculty salary at four-years colleges ($73,709). Its salary is slightly higher than the average salary of four-years colleges in Illinois.
Illinois State University is a R2: Doctoral Universitiesies according to the Carnegie Classification. When compared R2: Doctoral Universitiesies, its salary is lower than national average as well as Illinois average.
| Average Faculty Salary | |
|---|---|
| Illinois State University | $85,250 |
| R2: Doctoral Universitiesies | $99,424 |
| Illinois R2: Doctoral Universitiesies | $99,182 |
| National Average (Four-years Colleges) | $73,709 |
| Four-years Illinois Colleges | $78,858 |
Similar Schools' Faculty Salary
Compared to similar colleges such as University of Illinois Chicago and University of Illinois Urbana-Champaign, Illinois State's faculty salary is lower than the average salary ($95,465). You can compare the salary to analyze or make a decision.
| Average Faculty Salary | Number of Faculty | |
|---|---|---|
| Illinois State University | $85,250 | 1,240 |
| University of Illinois Chicago Chicago, IL | $132,874 | 3,275 |
| University of Illinois Urbana-Champaign Champaign, IL | $131,040 | 2,871 |
| Northern Illinois University Dekalb, IL | $99,800 | 1,096 |
| Western Illinois University Macomb, IL | $91,891 | 519 |
| University of Illinois Springfield Springfield, IL | $89,588 | 332 |
| Eastern Illinois University Charleston, IL | $84,987 | 509 |
| Northeastern Illinois University Chicago, IL | $83,479 | 450 |
| Southern Illinois University-Edwardsville Edwardsville, IL | $81,240 | 861 |
| Chicago State University Chicago, IL | $81,196 | 233 |
| Governors State University University Park, IL | $78,557 | 898 |
Frequently Asked Questions about Faculty Salary at Illinois State
Here are some frequently asked questions about faculty salary at Illinois State, along with detailed answers based on the latest available data.
What is the average faculty salary at Illinois State?
The average faculty salary at Illinois State is $85,250 for the most recent year with available data. By academic rank, the average salaries are as follows:
- Professors: $107,192
- Associate Professors: $93,698
- Assistant Professors: $80,752
- Instructors: N/A
- Lecturers: $54,530
How does Illinois State's faculty salary compare to similar schools?
Compared to similar schools, such as UIC, UIUC, Northern Illinois and 7 other similar schools, Illinois State's average faculty salary is lower than the average salary of similar institutions, which is $95,465. Compare them in the table above.
How does Illinois State's faculty salary compare to four-years colleges nationally?
Compared to four-years colleges nationally, Illinois State's average faculty salary is higher than the average salary of four-years colleges nationally, which is $73,709.
How does Illinois State's faculty salary compare to R2: Doctoral Universitiesies nationally?
Compared to R2: Doctoral Universitiesies nationally, Illinois State's average faculty salary is lower than the average salary of R2: Doctoral Universitiesies nationally, which is $99,424.
What are the salary trends for faculty at Illinois State?
The salary trends for faculty at Illinois State over the past few years show that the average salary has Illinois State's faculty salary increased by 6.11% compared to the 2024 salary. For more detailed trends by academic rank, please refer to the faculty salary trends table and chart above.
What is the gender pay difference among faculty at Illinois State?
The gender pay difference among faculty at Illinois State is higher for male faculty by $10,744 (13.4%).
How many faculty members are included in the salary data for Illinois State?
The salary data for Illinois State includes a total of 891 faculty members across all ranks.
How does Illinois State's faculty salary compare to state averages?
Compared to state averages for public 4-year college, Illinois State's average faculty salary is slightly higher than the average faculty salary for colleges in Illinois, which is $78,858.