Mid-level Biochemist salary in St. Louis, MO

Based on 10 certified H-1B filings at DOL wage level II in the St. Louis, MO-IL metro area, FY2025–FY2026. Includes St Louis, Saint Louis, Saint Charles, Chesterfield, St. Charles.

Median salary$78,000
Middle 50%$69.4k–$86.5k
vs. all levels here+13%comparison median $69,048
Filings10FY2025–FY2026 · latest two fiscal years

Salary range

Box: middle 50% of filings. Whiskers: 10th–90th percentile. 99% of filings are between $64,960 and $121,850.
PercentileSalary
10th$64,960
25th$69,393
50th (median)$78,000
75th$86,500
90th$93,500

Cost of living

St. Louis's median mid-level Biochemist salary of $78,000 is worth about $82,000 at national average prices.

Source: BEA Regional Price Parities, 2024 (U.S. = 100; St. Louis = 95.1).

Compared with all workers here

All Biochemists and Biophysicists in the St. Louis, MO area earned a median of $79,550 in May 2025 (210 employed). The H-1B median here is $78,000, 2% lower.

Source: U.S. Bureau of Labor Statistics, OEWS metropolitan area estimates. BLS wages include some incentive pay; H-1B figures are base salary.

Employers filing at this level

EmployerMedianFilings
Washington Universitytoo few4
Saint Louis Universitytoo few2

Employers with at least 2 filings here. Median shown at 10+ filings.

By experience level

Wage levelMedianFilings
Entry-level · Level I $63,120 13
Mid-level · Level II $78,000 10
Senior · Level III – 0
Expert · Level IV too few 2

Median shown when a level has at least 10 filings.

Minimum H-1B salary by level

Wage levelPrevailing wage (most common)Median offered salaryFilings
Entry-level · Level I$53,269$63,12013
Mid-level · Level II$63,627$78,00010

The prevailing wage is the minimum an employer must pay for this job and area. Amounts vary by county within a metro and by wage source.