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As of September 01, 2026, the average salary for an Inside Sales Assistant in Missouri is $49,344 per year, which breaks down to an hourly rate of $24.
However, an Inside Sales Assistant's salary can vary significantly. Here’s a look at the typical salary range:
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Inside Sales Assistant Salaries by Percentile
| Annual Salary |
Monthly Pay |
Weekly Pay |
Hourly Wage |
|
| 75th Percentile | $55,265 | $4,605 | $1,063 | $27 |
| Average | $49,344 | $4,112 | $949 | $24 |
| 25th Percentile | $42,845 | $3,570 | $824 | $21 |
Alro Steel Corp - Greenview, MO
Alro Steel Corp - Vigus, MO
Missouri Drywall Supply, Inc. - Hazelwood - Robertson, MO
American Metals Supply - Robertson, MO
An Inside Sales 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 an Inside Sales 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 |
|---|---|
| Inside Sa... Level Inside Sales Assistant | $49,795 |
| Inside Sa... Level Inside Sales Assistant | $62,143 |
| Inside Sa... Level Inside Sales Assistant | $72,216 |
| Inside Sa... Level Inside Sales Assistant | $96,339 |
| Inside Sa... Level Inside Sales Assistant | $69,123 |
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 Inside Sales 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 Inside Sales Assistant roles, the industry you choose can affect earning potential by as much as 75% (the gap between the highest and lowest paying industries). Data shows that the Construction and Aerospace & Defense sectors offer the strongest compensation, at 40% above the average. In contrast, Inside Sales Assistant positions in Edu., Gov't. & Nonprofit or Biotechnology typically offer lower base pay, as these industries often view Inside Sales Assistant as a support function rather than a direct revenue driver.
| Industry Sector | Average Annual Salary | Average Hourly Rate | Pay vs.Avg |
|---|---|---|---|
| Construction | $69,082 | $33.0 | 40% |
| Aerospace & Defense | $64,147 | $31.0 | 30% |
| Healthcare | $61,680 | $30.0 | 25% |
| Media | $58,226 | $28.0 | 18% |
| Business Services | $56,746 | $27.0 | 15% |
Understanding how an Inside Sales 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 | $55,265 | $4,605 | $1,063 | $27 |
| Average | $49,344 | $4,112 | $949 | $24 |
| 25th Percentile | $42,845 | $3,570 | $824 | $21 |
Ready to take the next step in your career? Browse thousands of current Inside Sales Assistant job openings on our job board. Use the search bar below to find your perfect match.
Martin Sprocket and Gear, Inc.
Kansas City, MO
Martin Sprocket and Gear, Inc. | Kansas City, MO
Inside Sales Representative. Martin is a progressive leader in the Power Transmission and Bulk Material Handling Industry, classified as an essential busin... more
3 Days Ago
FLOORING LIQUIDATORS
Springfield, MO
FLOORING LIQUIDATORS | Springfield, MO
Job Description. Job Description. Summary/objective. We are seeking a driven and motivated sales professional looking for an exciting opportunity to grow w... more
4 Days Ago
Allied OneSource
Saint Charles, MO
Allied OneSource | Saint Charles, MO
Job Description. Job Description. Sales Representative (Warm Leads) — Call Center. Position Summary. We’re hiring an. Inbound Sales Representative. to hand... more
4 Days Ago
Spec Corp
Springfield, MO
Spec Corp | Springfield, MO
Inside Sales. SPEC Building Materials Corporation is recognized as one of the nation's leading wholesale distributors of the highest-quality building mater... more
4 Days Ago
GMS
Hazelwood, MO
GMS | Hazelwood, MO
Inside Sales Position. The primary function of Inside Sales is to provide product knowledge on building materials including drywall, insulation, metal stud... more
4 Days Ago
American Metals Supply
Hazelwood, MO
American Metals Supply | Hazelwood, MO
American Metals: More Than a Job A Legacy of Strength and Service. At American Metals Supply, you're not just joining a companyyou're becoming an employee-... more
5 Days Ago
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