Biological Scientists, All Other salary in Illinois
Biological Scientists, All Other in Illinois earn a median of $82,640 a year ($39.73 an hour), based on BLS data for 1,300 workers.
Pay ranges from $56,520 for the lowest-paid 10% to $134,530 for the top 10%. That is 16% lower than the national median of $98,920. Illinois ranks 36th of 50 states for biological scientists, all other pay. There are 0.21 biological scientists, all other per 1,000 jobs here — the job is less common than nationally (location quotient 0.59). The average (mean) salary is $92,380, above the median because a few high earners pull it up.
Pay range for biological scientists, all other in Illinois
| Pay level | Yearly | Hourly |
|---|---|---|
| 10th percentile (entry level) | $56,520 | $27.17 |
| 25th percentile | $64,010 | $30.77 |
| Median | $82,640 | $39.73 |
| 75th percentile | $106,020 | $50.97 |
| 90th percentile (top earners) | $134,530 | $64.68 |
| Average (mean) | $92,380 | $44.41 |
Half of biological scientists, all other earn more than the median and half earn less. Percentiles show the spread: 10% earn less than the 10th percentile, and 10% earn more than the 90th.
Median paycheck, before taxes
| Pay period | Amount |
|---|---|
| Monthly | $6,886.67 |
| Semi-monthly (24 a year) | $3,443.33 |
| Biweekly (26 a year) | $3,178.46 |
| Weekly | $1,589.23 |
| Hourly | $39.73 |
Based on a full-time year of 2,080 hours. Convert any amount with the hourly to salary converter.
Biological Scientists, All Other salary in cities in Illinois
| Metro area | Median salary | Workers |
|---|---|---|
| Chicago-Naperville-Elgin, IL-IN | $85,680 | 780 |
| Davenport-Moline-Rock Island, IA-IL | $82,620 | 50 |
| St. Louis, MO-IL | $78,330 | 480 |
| Champaign-Urbana, IL | $70,870 | 140 |
Highest-paying states for biological scientists, all other
| State | Median salary |
|---|---|
| Maryland | $121,680 |
| California | $113,530 |
| Delaware | $113,400 |
| Connecticut | $111,940 |
| Washington | $108,110 |
| Massachusetts | $107,100 |
| Alaska | $106,870 |
| New Jersey | $104,750 |
| Maine | $104,570 |
| New York | $104,120 |
Related jobs in Illinois
| Job | Median salary | Hourly |
|---|---|---|
| Medical Scientists, Except Epidemiologists | $82,330 | $39.58 |
| Microbiologist | $92,050 | $44.26 |
| Soil and Plant Scientists | $79,490 | $38.21 |
| Food Scientists and Technologists | $94,340 | $45.35 |
| Conservation Scientist | $69,590 | $33.46 |
| Zoologists and Wildlife Biologists | $79,780 | $38.36 |
| Epidemiologist | $102,720 | $49.39 |
| Forester | $82,160 | $39.50 |
| Life Scientists, All Other | $66,190 | $31.82 |
| Biochemists and Biophysicists | $87,010 | $41.83 |
| Animal Scientist | $47,930 | $23.05 |
| Clinical and Counseling Psychologists | $83,750 | $40.27 |
| School Psychologist | $84,690 | $40.72 |
| Chemist | $85,230 | $40.98 |
More: Life, Physical, and Social Science Occupations · all salaries in Illinois
Source: U.S. Bureau of Labor Statistics, Occupational Employment and Wage Statistics, May 2025 estimates, occupation code 19-1029. Wages include base pay, tips, commissions and shift pay, but not overtime, bonuses or benefits, and exclude the self-employed.
Frequently asked questions
How much does a biological scientists, all other make in Illinois?
The median salary for biological scientists, all other in Illinois is $82,640 a year, or $39.73 an hour. Pay ranges from $56,520 for the lowest-paid 10% to $134,530 for the top 10%.
How much do the highest-paid biological scientists, all other make in Illinois?
The top 10% of biological scientists, all other in Illinois earn at least $134,530 a year. The top 25% earn $106,020 or more.
What is the starting pay for biological scientists, all other in Illinois?
Entry-level pay (the 10th percentile) is about $56,520 a year, and a quarter of biological scientists, all other earn $64,010 or less.
How many biological scientists, all other work in Illinois?
About 1,300 biological scientists, all other are employed in Illinois, not counting the self-employed.