Biological Technician salary in Illinois
Biological Technicians in Illinois earn a median of $55,790 a year ($26.82 an hour), based on BLS data for 790 workers.
Pay ranges from $36,230 for the lowest-paid 10% to $79,440 for the top 10%. That is 3% lower than the national median of $57,510. Illinois ranks 15th of 51 states for biological technicians pay. There are 0.13 biological technicians per 1,000 jobs here — the job is less common than nationally (location quotient 0.29). The average (mean) salary is $56,790, above the median because a few high earners pull it up.
Pay range for biological technicians in Illinois
| Pay level | Yearly | Hourly |
|---|---|---|
| 10th percentile (entry level) | $36,230 | $17.42 |
| 25th percentile | $39,940 | $19.20 |
| Median | $55,790 | $26.82 |
| 75th percentile | $70,060 | $33.68 |
| 90th percentile (top earners) | $79,440 | $38.19 |
| Average (mean) | $56,790 | $27.30 |
Half of biological technicians 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 | $4,649.17 |
| Semi-monthly (24 a year) | $2,324.58 |
| Biweekly (26 a year) | $2,145.77 |
| Weekly | $1,072.88 |
| Hourly | $26.82 |
Based on a full-time year of 2,080 hours. Convert any amount with the hourly to salary converter.
Biological Technician salary in cities in Illinois
| Metro area | Median salary | Workers |
|---|---|---|
| Peoria, IL | $72,120 | 50 |
| Champaign-Urbana, IL | $64,270 | 80 |
| Chicago-Naperville-Elgin, IL-IN | $57,700 | 470 |
| St. Louis, MO-IL | $55,600 | 220 |
Highest-paying states for biological technicians
| State | Median salary |
|---|---|
| California | $71,440 |
| New Jersey | $66,040 |
| District of Columbia | $64,770 |
| Connecticut | $62,360 |
| Massachusetts | $62,070 |
| North Carolina | $61,720 |
| New York | $61,210 |
| Washington | $60,800 |
| Maine | $60,160 |
| Colorado | $59,400 |
Related jobs in Illinois
| Job | Median salary | Hourly |
|---|---|---|
| Chemical Technician | $61,890 | $29.76 |
| Environmental Science and Protection Technicians, Including Health | $59,930 | $28.81 |
| Forest and Conservation Technicians | $52,790 | $25.38 |
| Nuclear Technician | $110,390 | $53.07 |
| Life, Physical, and Social Science Technicians, All Other | $59,410 | $28.56 |
| Agricultural Technician | $46,410 | $22.31 |
| Forensic Science Technician | $124,790 | $60.00 |
| Food Science Technician | $60,820 | $29.24 |
| Social Science Research Assistant | $64,890 | $31.20 |
| Geological Technicians, Except Hydrologic Technicians | $53,280 | $25.62 |
| Hydrologic Technician | $52,870 | $25.42 |
| Clinical and Counseling Psychologists | $83,750 | $40.27 |
| Medical Scientists, Except Epidemiologists | $82,330 | $39.58 |
| School Psychologist | $84,690 | $40.72 |
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 19-4021. 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 technician make in Illinois?
The median salary for biological technicians in Illinois is $55,790 a year, or $26.82 an hour. Pay ranges from $36,230 for the lowest-paid 10% to $79,440 for the top 10%.
How much do the highest-paid biological technicians make in Illinois?
The top 10% of biological technicians in Illinois earn at least $79,440 a year. The top 25% earn $70,060 or more.
What is the starting pay for biological technicians in Illinois?
Entry-level pay (the 10th percentile) is about $36,230 a year, and a quarter of biological technicians earn $39,940 or less.
How many biological technicians work in Illinois?
About 790 biological technicians are employed in Illinois, not counting the self-employed.