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As of August 01, 2026, the average salary for a Research Study Assistant in Missouri is $58,685 per year, which breaks down to an hourly rate of $28.
However, a Research Study Assistant's salary can vary significantly. Here’s a look at the typical salary range:
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Research Study Assistant Salaries by Percentile
| Annual Salary |
Monthly Pay |
Weekly Pay |
Hourly Wage |
|
| 75th Percentile | $67,581 | $5,632 | $1,300 | $32 |
| Average | $58,685 | $4,890 | $1,129 | $28 |
| 25th Percentile | $50,588 | $4,216 | $973 | $24 |
Washington University in St. Louis - Saint Louis, MO
ATSU Work Study - Kirksville, MO
ATSU Work Study - Kirksville, MO
Springfield Public Schools, MO - Springfield, MO
A Research Study Assistant's salary isn't a fixed number. It's shaped by several important factors. Below, we'll explore how your years of experience, geographic location and company size can directly affect your earning potential.
Experience is a primary driver of a Research Study Assistant's salary. As you build your skills and take on more complex tasks, your compensation generally increases. Here’s how the average salary grows at different career stages:
| Levels | Salary |
|---|---|
| Staff Nur... Level Research Study Assistant | $89,677 |
| Research ... Level Research Study Assistant | $58,030 |
| Clinical ... Level Research Study Assistant | $67,149 |
| Scientist... Level Research Study Assistant | $95,363 |
| Clinical ... Level Research Study Assistant | $103,018 |
What Am I Worth?
Your salary can change significantly depending on where you work. States with a higher cost of living and strong industrial sectors often pay more to attract Research Study Assistants. For example, consider the average annual salaries in these key locations:
Salaries can also vary between different cities. Major metropolitan areas or cities with a high demand for technicians often offer more competitive pay. Here are a few examples of average annual salaries in different U.S. cities:
For Research Study Assistant roles, the industry you choose can affect earning potential by as much as 40% (the gap between the highest and lowest paying industries). Data shows that the Healthcare and Edu., Gov't. & Nonprofit sectors offer the strongest compensation, at 20% above the average. In contrast, Research Study Assistant positions in Pharmaceuticals or Biotechnology typically offer lower base pay, as these industries often view Research Study Assistant as a support function rather than a direct revenue driver.
| Industry Sector | Average Annual Salary | Average Hourly Rate | Pay vs.Avg |
|---|---|---|---|
| Healthcare | $70,421 | $34.0 | 20% |
| Edu., Gov't. & Nonprofit | $64,553 | $31.0 | 10% |
Understanding how a Research Study Assistant's annual salary breaks down can help with budgeting. Below, you can see the average hourly rate, weekly pay, and monthly pay for this role. Use the buttons to switch between different pay periods.
| Annual Salary | Monthly Pay | Weekly Pay | Hourly Wage | |
|---|---|---|---|---|
| 75th Percentile | $67,581 | $5,632 | $1,300 | $32 |
| Average | $58,685 | $4,890 | $1,129 | $28 |
| 25th Percentile | $50,588 | $4,216 | $973 | $24 |
Ready to take the next step in your career? Browse thousands of current Research Study Assistant job openings on our job board. Use the search bar below to find your perfect match.
ATSU Work Study
Kirksville, MO
ATSU Work Study | Kirksville, MO
Job Description. Job Description. Description. Front desk & weight room positions work together, cover each other. Focus on creating a clean & friendly cus... more
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Maryville University
Saint Louis, MO
Maryville University | Saint Louis, MO
Maryville University Speech-Language Pathology And Communication Sciences And Disorders Support Position. This position provides critical support to the Ma... more
7 Days Ago
ATSU Work Study
Kirksville, MO
ATSU Work Study | Kirksville, MO
Job Description. Job Description. Description. This position will assist with regular office duties such as answering the phone, packaging recruitment mate... more
8 Days Ago
ATSU Work Study
Kirksville, MO
ATSU Work Study | Kirksville, MO
Job Description. Job Description. Description. Purpose. To assist the office manager as needed with Clinic Duties. Job Description. Update and maintain pat... more
8 Days Ago
Johnson County Clintrials
Kansas City, MO
Johnson County Clintrials | Kansas City, MO
Job Description. Job Description. Description. Position. Research Assistant. Department. Clinical Operations. Purpose. The Research Assistant supports clin... more
6 Days Ago
St. Louis Heart & Vascular
Saint Louis, MO
St. Louis Heart & Vascular | Saint Louis, MO
Job Description. Job Description. The Clinical Research Assistant will provide support for the Principal Investigator(s) and Clinical Research Coordinator(... more
8 Days Ago
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