Faculty Salary By Academic Rank at Northern Illinois University
The 2025 average faculty salary is $99,800 at Northern Illinois University across all academic ranks. Northern Illinois's faculty salary increased by 5.23% compared to the 2024 salary.
At Northern Illinois University, by academic rank:
- The average professor salary is $129,870, representing a 6.12% increase from the previous year (+$7,492).
- The average associate professor salary is $111,344, representing a 5.34% increase from the previous year (+$5,640).
- The average assistant professor salary is $93,860, representing a 0.51% increase from the previous year (+$473).
- The average instructor salary is $54,691, representing a 4.79% increase from the previous year (+$2,498).
- The average no academic rank salary is $63,047, representing a 0.07% increase from the previous year (+$47).
Average Salary by Academic Rank Chart
This chart summarizes average faculty salary by academic rank at Northern Illinois 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 Northern Illinois University.
At Northern Illinois, the average male faculty's salary is $105,840 and female faculty's is $94,106. The difference in salary between male and female faculty $11,734, with male faculty' annual salary being 12.47% higher than that of female faculty.
| Contract Length | Total | Men | Women |
|---|---|---|---|
| Equated to 9-Month Contract | $99,800 +$4,962 (5.23%) |
$105,840 +$5,195 (5.16%) |
$94,106 +$4,717 (5.28%) |
| 9-Month Contract | $101,065 +$5,614 (5.88%) |
$105,554 +$5,958 (5.98%) |
$96,682 +$5,364 (5.87%) |
| 10-Month Contract | $77,255 -$5,962 (-7.16%) |
$87,443 -$3,985 (-4.36%) |
$70,464 -$9,595 (-11.98%) |
| 11-Month Contract | $130,219 +$41,161 (46.22%) |
$130,219 +$9,842 (8.18%) |
- - |
| 12-Month Contract | $126,030 -$440 (-0.35%) |
$147,106 -$301 (-0.20%) |
$109,955 -$981 (-0.88%) |
The average salary for Northern Illinois's 234 Professor is $129,870. By gender, the average male professor salary is $130,333, and that of female professor is $129,143. The salary difference between male and female professor is $1,190, which means male professor's salary is 0.92% higher than female professor's salary.
| Contract Length | Total | Men | Women |
|---|---|---|---|
| Equated to 9-Month Contract | $129,870 +$7,492 (6.12%) |
$130,333 +$8,323 (6.82%) |
$129,143 +$6,169 (5.02%) |
| 9-Month Contract | $129,721 +$9,190 (7.62%) |
$129,015 +$9,236 (7.71%) |
$130,724 +$9,039 (7.43%) |
| 10-Month Contract | $126,386 -$9,048 (-6.68%) |
$122,728 +$9,796 (8.67%) |
$128,215 -$11,719 (-8.37%) |
| 11-Month Contract | $130,219 +$9,842 (8.18%) |
$130,219 +$9,842 (8.18%) |
- |
| 12-Month Contract | $177,112 +$1,957 (1.12%) |
$183,785 +$8,047 (4.58%) |
$155,426 -$18,140 (-10.45%) |
The average salary for Northern Illinois's 221 Associate professor is $111,344. By gender, the average male associate professor salary is $111,648, and that of female associate professor is $111,074. The salary difference between male and female associate professor is $574, which means male associate professor's salary is 0.52% higher than female associate professor's salary.
| Contract Length | Total | Men | Women |
|---|---|---|---|
| Equated to 9-Month Contract | $111,344 +$5,640 (5.34%) |
$111,648 +$5,754 (5.43%) |
$111,074 +$5,553 (5.26%) |
| 9-Month Contract | $111,289 +$5,519 (5.22%) |
$111,213 +$5,631 (5.33%) |
$111,361 +$5,394 (5.09%) |
| 10-Month Contract | $121,597 -$650 (-0.53%) |
$121,597 -$650 (-0.53%) |
- |
| 11-Month Contract | No Associate professor with 11-Month Contract | ||
| 12-Month Contract | $149,378 +$10,243 (7.36%) |
$163,961 +$11,065 (7.24%) |
$145,490 +$9,303 (6.83%) |
The average salary for Northern Illinois's 127 Assistant professor is $93,860. By gender, the average male assistant professor salary is $99,692, and that of female assistant professor is $89,111. The salary difference between male and female assistant professor is $10,581, which means male assistant professor's salary is 11.87% higher than female assistant professor's salary.
| Contract Length | Total | Men | Women |
|---|---|---|---|
| Equated to 9-Month Contract | $93,860 +$473 (0.51%) |
$99,692 +$40 (0.04%) |
$89,111 +$2 (0.00%) |
| 9-Month Contract | $94,915 +$32 (0.03%) |
$99,692 +$40 (0.04%) |
$90,661 -$564 (-0.62%) |
| 10-Month Contract | No Assistant professor with 10-Month Contract | ||
| 11-Month Contract | No Assistant professor with 11-Month Contract | ||
| 12-Month Contract | $96,780 +$852 (0.89%) |
- | $96,780 +$852 (0.89%) |
The average salary for Northern Illinois's 173 Instructor is $54,691. By gender, the average male instructor salary is $55,408, and that of female instructor is $54,270. The salary difference between male and female instructor is $1,138, which means male instructor's salary is 2.10% higher than female instructor's salary.
| Contract Length | Total | Men | Women |
|---|---|---|---|
| Equated to 9-Month Contract | $54,691 +$2,498 (4.79%) |
$55,408 +$1,277 (2.36%) |
$54,270 +$3,204 (6.27%) |
| 9-Month Contract | $54,238 +$2,366 (4.56%) |
$55,993 +$2,162 (4.02%) |
$53,048 +$2,568 (5.09%) |
| 10-Month Contract | $45,300 +$1,218 (2.76%) |
$52,723 +$2,865 (5.75%) |
$41,588 -$1,050 (-2.46%) |
| 11-Month Contract | No Instructor with 11-Month Contract | ||
| 12-Month Contract | $82,427 +$1,690 (2.09%) |
$65,627 -$31,683 (-32.56%) |
$85,227 +$6,439 (8.17%) |
The average salary for Northern Illinois's 28 No academic rank is $63,047. By gender, the average male no academic rank salary is $61,791, and that of female no academic rank is $63,989. The salary difference between male and female no academic rank is $2,198, which means male no academic rank's salary is 3.43% lower than female no academic rank's salary.
| Contract Length | Total | Men | Women |
|---|---|---|---|
| Equated to 9-Month Contract | $63,047 +$47 (0.07%) |
$61,791 -$2,937 (-4.54%) |
$63,989 +$2,486 (4.04%) |
| 9-Month Contract | $78,423 -$1,236 (-1.55%) |
- - |
$78,423 +$8,934 (12.86%) |
| 10-Month Contract | No academic rank with 10-Month Contract | ||
| 11-Month Contract | No academic rank with 11-Month Contract | ||
| 12-Month Contract | $80,645 +$2,702 (3.47%) |
$82,388 +$4,634 (5.96%) |
$78,903 +$772 (0.99%) |
Faculty Salary Changes over Past 5 Years
The average salary for Northern Illinois faculty has increased 25.29%, from $74,564 to $99,800. Professor salaries increased by 25.35%, associate professor salaries increased by 30.08%, and assistant professor salaries increased by 19.09% at Northern Illinois University.
| Year | All Faculty | Professor | Associate Professor | Assistant Professor | Instructor |
|---|---|---|---|---|---|
| 2019 | $74,564 | $96,944 | $77,850 | $75,944 | $45,486 |
| 2020 | $77,288 | $98,525 1.63% | $81,451 4.63% | $78,847 3.82% | $44,821 1.46% |
| 2021 | $82,589 | $103,985 5.54% | $87,456 7.37% | $86,553 9.77% | $45,684 1.93% |
| 2022 | $85,852 | $107,946 3.81% | $91,325 4.42% | $88,483 2.23% | $45,705 0.05% |
| 2023 | $86,606 | $109,626 1.56% | $93,288 2.15% | $87,926 0.63% | $50,353 10.17% |
| 2024 | $94,838 | $122,378 11.63% | $105,704 13.31% | $93,387 6.21% | $52,193 3.65% |
| 2025 | $99,800 | $129,870 6.12% | $111,344 5.34% | $93,860 0.51% | $54,691 4.79% |
| 5 Years Change | $25,236 25.29% | $32,926 25.35% | $33,494 30.08% | $17,916 19.09% | $9,205 16.83% |
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 Northern Illinois 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 Northern Illinois Faculty Salary Compared?
Northern Illinois's average faculty salary is $99,800. Northern Illinois's faculty salary is higher than the national average faculty salary at four-years colleges ($73,709). Its salary is also higher than the average salary ($78,858) of four-years colleges in Illinois.
Northern Illinois University is a R2: Doctoral Universitiesies according to the Carnegie Classification. When compared R2: Doctoral Universitiesies, its salary is similar to national average as well as Illinois average.
| Average Faculty Salary | |
|---|---|
| Northern Illinois University | $99,800 |
| 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, Northern Illinois's faculty salary is slightly higher than the average salary ($94,010). You can compare the salary to analyze or make a decision.
| Average Faculty Salary | Number of Faculty | |
|---|---|---|
| Northern Illinois University | $99,800 | 1,096 |
| University of Illinois Chicago Chicago, IL | $132,874 | 3,275 |
| University of Illinois Urbana-Champaign Champaign, IL | $131,040 | 2,871 |
| Western Illinois University Macomb, IL | $91,891 | 519 |
| University of Illinois Springfield Springfield, IL | $89,588 | 332 |
| Illinois State University Normal, IL | $85,250 | 1,240 |
| 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 Northern Illinois
Here are some frequently asked questions about faculty salary at Northern Illinois, along with detailed answers based on the latest available data.
What is the average faculty salary at Northern Illinois?
The average faculty salary at Northern Illinois is $99,800 for the most recent year with available data. By academic rank, the average salaries are as follows:
- Professors: $129,870
- Associate Professors: $111,344
- Assistant Professors: $93,860
- Instructors: $54,691
- Lecturers: N/A
How does Northern Illinois's faculty salary compare to similar schools?
Compared to similar schools, such as UIC, UIUC, Western Illinois and 7 other similar schools, Northern Illinois's average faculty salary is slightly higher than the average salary of similar institutions, which is $94,010. Compare them in the table above.
How does Northern Illinois's faculty salary compare to four-years colleges nationally?
Compared to four-years colleges nationally, Northern Illinois's average faculty salary is higher than the average salary of four-years colleges nationally, which is $73,709.
How does Northern Illinois's faculty salary compare to R2: Doctoral Universitiesies nationally?
Compared to R2: Doctoral Universitiesies nationally, Northern Illinois's average faculty salary is similar to the average salary of R2: Doctoral Universitiesies nationally, which is $99,424.
What are the salary trends for faculty at Northern Illinois?
The salary trends for faculty at Northern Illinois over the past few years show that the average salary has Northern Illinois's faculty salary increased by 5.23% 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 Northern Illinois?
The gender pay difference among faculty at Northern Illinois is higher for male faculty by $11,734 (12.47%).
How many faculty members are included in the salary data for Northern Illinois?
The salary data for Northern Illinois includes a total of 783 faculty members across all ranks.
How does Northern Illinois's faculty salary compare to state averages?
Compared to state averages for public 4-year college, Northern Illinois's average faculty salary is higher than the average faculty salary for colleges in Illinois, which is $78,858.