How Much Does a Research Assistant II Make in Saint Louis, MO?

Updated April 01, 2025
As of April 01, 2025, the average annual pay of Research Assistant II in Saint Louis, MO is $74,789. While Salary.com is seeing that Research Assistant II salary in Saint Louis, MO can go up to $97,365 or down to $50,543, but most earn between $62,098 and $86,606. Salary ranges can vary widely depending on many important factors, including education, certifications, additional skills, and your experience levels. With more online, real-time compensation data than any other website, Salary.com helps you determine your exact pay target.
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Legal Assistant II
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Similar Job Salaries to Research Assistant II by Company

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Company average base salary in (usd) range
Washington University in St. Louis
Clinical Research Study Assistant II - Neurology
$64,865/yr
$57,633
$72,097
RANGE: $57,633 - $72,097
Washington University in St. Louis
Clinical Research Study Assistant II - Emergency Medicine
$64,865/yr
$57,633
$72,097
RANGE: $57,633 - $72,097
Washington University in St Louis
Clinical Research Study Assistant II - Obstetrics and Gynecology
$71,383/yr
$63,332
$79,434
RANGE: $63,332 - $79,434
Washington University in St Louis
Clinical Research Study Assistant II - Cardiology
$71,383/yr
$63,332
$79,434
RANGE: $63,332 - $79,434
Washington University in St Louis
Clinical Research Study Assistant II (Hybrid) - Radiology
$71,383/yr
$63,332
$79,434
RANGE: $63,332 - $79,434
Washington University in St. Louis
Clinical Research Study Assistant II - Ob/Gyn
$76,930/yr
$67,995
$85,865
RANGE: $67,995 - $85,865
Washington University in St. Louis
Clinical Research Study Assistant II (Part-Time) - Cardiology
$63,343/yr
$56,169
$70,518
RANGE: $56,169 - $70,518
Washington University in St Louis
Clinical Research Study Assistant II - Pediatrics Academic Medicine
$71,383/yr
$63,332
$79,434
RANGE: $63,332 - $79,434
Washington University in St Louis
Research Technician II - Dermatology
$67,088/yr
$59,998
$74,177
RANGE: $59,998 - $74,177

Open Research Assistant II Jobs in Saint Louis, MO

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What Does a Research Assistant II Do?

Microsoft Search, Assistant and Intelligence (MSAI) brings together multiple areas of research to innovate in the products that millions of people use everyday.
Updated December 21, 2021
Research assistants provide support to professionals who are conducting experiments or gathering and analyzing information and data.
Updated December 17, 2021
The Quantitative Methods Area at IIM Udaipur is hiring a full-time Research Assistant (RA) to work in various research projects.
Updated December 14, 2021
The university responded swiftly late Tuesday, announcing the assistant professor’s administrative leave in a statement that said “reactions” to Walker’s research “have led to concerns for their safety and that of the campus.” “Furthermore, the controversy over Dr.
Updated December 13, 2021
Research assistants need to be able to work in a highly accurate manner, paying close attention to detail and keeping records of their work.
Updated December 08, 2021

Frequently Asked Questions About a Research Assistant II Salaries

What is the average of a Research Assistant II in Saint Louis, MO?

The Research Assistant II salary range is from $62,098 to $86,606, and the average Research Assistant II salary is $74,789/year in Saint Louis, MO. The Research Assistant II's salary will change in different locations.

Which location pays the highest Research Assistant II salary in the United States?

The Research Assistant II salary in San Jose, CA is $97,631 which is the highest in the US.

What kinds of reasons will influence the Research Assistant II's salary?

Besides the location, employees' education degree, related skills, and work experience also will influence the salary. Try to improve your skills and experience to get a higher salary for the position of Research Assistant II.

What is the growth rate of the Research Assistant II's salary?

If you are thinking of becoming a Research Assistant II or planning the next step in your career, find the detailed salary report of a Research Assistant II.