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As of August 01, 2026, the average salary for an Investigative Assistant in Missouri is $41,230 per year, which breaks down to an hourly rate of $20.
However, an Investigative Assistant's salary can vary significantly. Here’s a look at the typical salary range:
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Investigative Assistant Salaries by Percentile
| Annual Salary |
Monthly Pay |
Weekly Pay |
Hourly Wage |
|
| 75th Percentile | $45,704 | $3,809 | $879 | $22 |
| Average | $41,230 | $3,436 | $793 | $20 |
| 25th Percentile | $37,220 | $3,102 | $716 | $18 |
Marshall Investigative Group - Saint Louis, MO
North Idaho Urology - COEUR D'ALENE, ID
North Idaho Urology - POST FALLS, ID
North Idaho Urology - SANDPOINT, ID
An Investigative 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.
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 Investigative 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 Investigative Assistant roles, the industry you choose can affect earning potential by as much as 33% (the gap between the highest and lowest paying industries). Data shows that the Pharmaceuticals and Energy & Utilities sectors offer the strongest compensation, at 18% above the average. In contrast, Investigative Assistant positions in Edu., Gov't. & Nonprofit or Media typically offer lower base pay, as these industries often view Investigative Assistant as a support function rather than a direct revenue driver.
| Industry Sector | Average Annual Salary | Average Hourly Rate | Pay vs.Avg |
|---|---|---|---|
| Pharmaceuticals | $48,651 | $23.0 | 18% |
| Energy & Utilities | $46,177 | $22.0 | 12% |
| Aerospace & Defense | $45,353 | $22.0 | 10% |
| Software & Networking | $45,353 | $22.0 | 10% |
| Biotechnology | $44,528 | $21.0 | 8% |
Understanding how an Investigative 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 | $45,704 | $3,809 | $879 | $22 |
| Average | $41,230 | $3,436 | $793 | $20 |
| 25th Percentile | $37,220 | $3,102 | $716 | $18 |
Ready to take the next step in your career? Browse thousands of current Investigative Assistant job openings on our job board. Use the search bar below to find your perfect match.
North Idaho Urology
SPOKANE, WA
North Idaho Urology | SPOKANE, WA
North Idaho Urology is seeking a motivated Physician Assistant to join our growing urology team. We offer a collaborative, patient-centered practice with a... more
2 Months Ago
Siouxland Community Health Center
SIOUX CITY, IA
Siouxland Community Health Center | SIOUX CITY, IA
Siouxland Community Health Center has 1 Full-time opening for. Dental Assistant. Schedule: 4 day work week Hours include: Monday: 7:30AM-8PM , Tues/Thurs/ ... more
6 Days Ago
Life Care Centers
POST FALLS, ID
Life Care Centers | POST FALLS, ID
Life Care Centers seeks an Assistant Director of Nursing to support clinical leadership in our Healthcare & Medical Services department. This role assists ... more
8 Days Ago
Gentle Dental
EWA BEACH, HI
Gentle Dental | EWA BEACH, HI
Gentle Dental is seeking a compassionate Dental Assistant to support our patient-first, team-oriented practice. In this Healthcare & Medical Services role,... more
8 Days Ago
Gentle Dental
MILILANI, HI
Gentle Dental | MILILANI, HI
Gentle Dental is seeking a compassionate Dental Assistant to support our patient-first, team-oriented practice. In this Healthcare & Medical Services role,... more
8 Days Ago
Gentle Dental
WAKE ISLAND, HI
Gentle Dental | WAKE ISLAND, HI
Gentle Dental is seeking a compassionate Dental Assistant to support our patient-first, team-oriented practice. In this Healthcare & Medical Services role,... more
8 Days Ago
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