Data Scientists pay in Illinois
$117,870avg. a year
$56.67 an hour · 10,520 employed
Data Scientists in Illinois earn an average of $117,870 a year. That is $8,930 (7%) less than the U.S. average of $126,800. The best-paying metro area is Bloomington, IL at $127,590.
$106,560Median pay
$56.67Average hourly
+13%Avg. pay since 2021
#18Of 48 states + D.C.
Top-paying Illinois metro areas
Average pay for data scientists by metro area. Swipe to see all 8.
1590 jobs
Bloomington, IL
$127,590
$61.34 an hour
27,940 jobs
Chicago-Naperville-Elgin, IL-IN
$118,860
$57.15 an hour
3340 jobs
Peoria, IL
$117,620
$56.55 an hour
4280 jobs
Davenport-Moline-Rock Island, IA-IL
$110,030
$52.90 an hour
52,640 jobs
St. Louis, MO-IL
$104,790
$50.38 an hour
6140 jobs
Champaign-Urbana, IL
$99,830
$47.99 an hour
7100 jobs
Rockford, IL
$98,230
$47.23 an hour
8100 jobs
Springfield, IL
$97,280
$46.77 an hour
Why people trust JobPayFacts
Official government dataEvery number comes from the U.S. Bureau of Labor Statistics wage survey of employers, not self-reported salaries.
Every state and city830 jobs across all 50 states, D.C. and 199 large metro areas.
Updated every yearNew figures each spring when BLS releases them. This site uses May 2025 data.
Data Scientists pay in Illinois, charted
Pay over time
Illinois, annual wage, May of each year
AverageMedian
Where Illinois data scientists work
Employment by metro area, May 2025
Average pay by state
May 2025 · Illinois highlighted · tap a state
AKMEWIVTNHWAIDMTNDMNILMINYMAORNVWYSDIAINOHPANJCTRICAUTCONEMOKYWVVAMDDEAZNMKSARTNNCSCDCOKLAMSALGAHITXFL
Under $101k$101k–$111k$111k–$124k$124k+Illinois
Illinois vs. neighbors
Average pay, May 2025
| Area | Avg. pay | Hourly |
|---|---|---|
| United States | $126,800 | $60.96 |
| Illinois | $117,870 | $56.67 |
| Wisconsin | $116,600 | $56.06 |
| Missouri | $100,880 | $48.50 |
| Kentucky | $100,840 | $48.48 |
| Indiana | $98,340 | $47.28 |
| Iowa | $98,100 | $47.16 |
Related jobs in Illinois
- Operations Research Analysts$104,580
- Actuaries$129,580
- Software Developers$136,540
- Computer User Support Specialists$63,630
- Computer Systems Analysts$104,190
- Computer Occupations, All Other$104,530
Average pay, Illinois, May 2025
Bureau of Labor Statistics OEWS
Questions and answers
How much do data scientists make in Illinois?
The average is $117,870 a year, and the median is $106,560. That is $8,930 (7%) less than the U.S. average of $126,800.
What is the hourly wage in Illinois?
$56.67 an hour on average; the median is $51.23.
Where in Illinois do they earn the most?
Bloomington, IL ($127,590), followed by Chicago-Naperville-Elgin, IL-IN ($118,860). The lowest average among 8 metro areas with data is Springfield, IL ($97,280).
How does Illinois rank?
Illinois ranks #18 of 49 states (including D.C.) with published data for this job, by average pay.
Sources and notes. U.S. Bureau of Labor Statistics, Occupational Employment and Wage Statistics (OEWS), May 2025 (trend: May 2021–May 2025), occupation code 15-2051. State rank compares average pay across states with published data. Metro figures cover metropolitan statistical areas; a metro area can cross state lines. See also the national data scientists page. Wages are gross pay before taxes and don't include overtime premiums, tips, bonuses or benefits; self-employed workers aren't included. Year-to-year changes can partly reflect survey method changes, so treat the trend as a guide. How we use the data. JobPayFacts isn't affiliated with BLS.