Biological Science Teachers, Postsecondary pay in Illinois

$108,130avg. a year
Annual salary · 2,340 employed

Biological Science Teachers, Postsecondary in Illinois earn an average of $108,130 a year. That is $5,290 (5%) more than the U.S. average of $102,840. The best-paying metro area is St. Louis, MO-IL at $120,250.

$99,060Median pay
$108,130Average yearly
+23%Avg. pay since 2020
#12Of 48 states + D.C.

Top-paying Illinois metro areas

Average pay for biological science teachers, postsecondary by metro area. Swipe to see all 4.

1470 jobs
St. Louis, MO-IL
$120,250
a year
21,760 jobs
Chicago-Naperville-Elgin, IL-IN
$112,080
a year
360 jobs
Davenport-Moline-Rock Island, IA-IL
$92,970
a year
450 jobs
Bloomington, IL
$85,940
a year

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.
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Biological Science Teachers, Postsecondary pay in Illinois, charted

Pay over time

Illinois, annual wage, May of each year
AverageMedian

Where Illinois biological science teachers, postsecondary work

Employment by metro area, May 2025

Average pay by state

May 2025 · Illinois highlighted · tap a state
AKMEWIVTNHWAIDMTNDMNILMINYMAORNVWYSDIAINOHPANJCTRICAUTCONEMOKYWVVAMDDEAZNMKSARTNNCSCDCOKLAMSALGAHITXFL
Under $91k$91k–$98k$98k–$107k$107k+Illinois

Illinois vs. neighbors

Average pay, May 2025
AreaAvg. payHourly
United States$102,840–
Illinois$108,130–
Missouri$104,480–
Iowa$100,360–
Indiana$97,940–
Wisconsin$96,070–
Kentucky$82,110–

Questions and answers

How much do biological science teachers, postsecondary make in Illinois?

The average is $108,130 a year, and the median is $99,060. That is $5,290 (5%) more than the U.S. average of $102,840.

Where in Illinois do they earn the most?

St. Louis, MO-IL ($120,250), followed by Chicago-Naperville-Elgin, IL-IN ($112,080). The lowest average among 4 metro areas with data is Bloomington, IL ($85,940).

How does Illinois rank?

Illinois ranks #12 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 2020–May 2025), occupation code 25-1042. 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 biological science teachers, postsecondary 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.