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Administrative Assistant/Billing Specialist Salary in Missouri

How much does an Administrative Assistant/Billing Specialist make in Missouri? As of September 01, 2026, the average salary for an Administrative Assistant/Billing Specialist in Missouri is $52,748 per year, which breaks down to an hourly rate of $25.

However, an Administrative Assistant/Billing Specialist's salary can vary significantly. Here's a look at the typical salary range:

  • Top Earners (90th percentile): $64,614
  • Majority Range (25th-75th percentile): $47,614 to $58,959
  • Entry-Level (10th percentile): $42,939
Salary Factors Salary by Experience Related Job Salaries Top Paying Cities Explore Related Jobs

Check out Administrative Assistant/Billing Specialist Job Openings in Missouri

Key Factors That Influence Administrative Assistant/Billing Specialist Salaries

An Administrative Assistant/Billing Specialist'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.

How Experience Level Affects Administrative Assistant/Billing Specialist Salaries?

Experience is a primary driver of an Administrative Assistant/Billing Specialist'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:

  • Entry-Level (less than 1 year): $48,476
  • Early Career (1-2 years): $48,868
  • Mid-Level (2-4 years): $51,626
  • Senior-Level (5-8 years): $54,732
  • Expert (over 8 years): $56,198
Job RoleYears of ExperienceAverage Salary
Entry Level Administrative Assistant/Billing Specialist less than 1 year $48,476
Early Career Level Administrative Assistant/Billing Specialist 1-2 years $48,868
Mid-Level Level Administrative Assistant/Billing Specialist 2-4 years $51,626
Senior-Level Level Administrative Assistant/Billing Specialist 5-8 years $54,732
Expert Level Administrative Assistant/Billing Specialist over 8 years $56,198

How Do Administrative Assistant/Billing Specialist Salaries Vary from State to State?

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 Administrative Assistant/Billing Specialists. For example, consider the average annual salaries in these key locations:

  • District of Columbia: $61,470.
  • California: $61,237.
  • Massachusetts: $60,420.

Top Paying Cities for Administrative Assistant/Billing Specialist

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:

  • Braggadocio: $51,112
  • Eugene: $51,320
  • Fortuna: $51,307

Administrative Assistant/Billing Specialist Salary by Industry: Top Paying Sectors

For Administrative Assistant/Billing Specialist roles, the industry you choose can affect earning potential by as much as 65% (the gap between the highest and lowest paying industries). Data shows that the Biotechnology and Internet sectors offer the strongest compensation, at 25% above the average. In contrast, Administrative Assistant/Billing Specialist positions in Transportation or Edu., Gov't. & Nonprofit typically offer lower base pay, as these industries often view Administrative Assistant/Billing Specialist as a support function rather than a direct revenue driver.

The top paying industries for an Administrative Assistant/Billing Specialist

Industry Sector Average Annual Salary Average Hourly Rate Pay vs.Avg
Biotechnology $65,935 $32.0 25%
Internet $63,297 $30.0 20%
Software & Networking $63,297 $30.0 20%
Energy & Utilities $60,660 $29.0 15%
Aerospace & Defense $58,023 $28.0 10%

Administrative Assistant/Billing Specialist Salary: Hourly Rate, Weekly Pay, and Monthly Pay

Understanding how an Administrative Assistant/Billing Specialist'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.

  • Yearly
  • Monthly
  • Weekly
  • Hourly
  • Table View
Last Updated on September 01, 2026
$47,614
Average $52,748/year
$58,959
$3,968
Average $4,396/month
$4,913
$916
Average $1,014/week
$1,134
$23
Average $25/hour
$28
Annual Salary Monthly Pay Weekly Pay Hourly Wage
75th Percentile $58,959 $4,913 $1,134 $28
Average $52,748 $4,396 $1,014 $25
25th Percentile $47,614 $3,968 $916 $23

Find Your Next Administrative Assistant/Billing Specialist Job

Ready to take the next step in your career? Browse thousands of current Administrative Assistant/Billing Specialist job openings on our job board. Use the search bar below to find your perfect match.

  • Back On Course Educational Services | Jefferson City, MO

    Administrative Specialist

    Back On Course Educational Services | Jefferson City, MO

    [Administrative Assistant / Remote] - Anywhere in U.S. / Up to $23 per hour / Benefits - As an Administrative Specialist at Back On Course Educational Serv... more

    11 Days Ago

  • Back On Course Educational Services | Branson, MO

    Administrative Specialist

    Back On Course Educational Services | Branson, MO

    [Administrative Assistant / Remote] - Anywhere in U.S. / Up to $23 per hour / Benefits - As an Administrative Specialist at Back On Course Educational Serv... more

    11 Days Ago

  • Back On Course Educational Services | Florissant, MO

    Administrative Specialist

    Back On Course Educational Services | Florissant, MO

    [Administrative Assistant / Remote] - Anywhere in U.S. / Up to $23 per hour / Benefits - As an Administrative Specialist at Back On Course Educational Serv... more

    11 Days Ago

  • Back On Course Educational Services | Joplin, MO

    Administrative Specialist

    Back On Course Educational Services | Joplin, MO

    [Administrative Assistant / Remote] - Anywhere in U.S. / Up to $23 per hour / Benefits - As an Administrative Specialist at Back On Course Educational Serv... more

    11 Days Ago

  • Back On Course Educational Services | Columbia, MO

    Administrative Specialist

    Back On Course Educational Services | Columbia, MO

    [Administrative Assistant / Remote] - Anywhere in U.S. / Up to $23 per hour / Benefits - As an Administrative Specialist at Back On Course Educational Serv... more

    11 Days Ago

  • Back On Course Educational Services | Festus, MO

    Administrative Specialist

    Back On Course Educational Services | Festus, MO

    [Administrative Assistant / Remote] - Anywhere in U.S. / Up to $23 per hour / Benefits - As an Administrative Specialist at Back On Course Educational Serv... more

    11 Days Ago

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Where Does Our Salary Data Come From?

Salary.com salary estimates, histograms, trends, and comparisons are derived from both employer job postings and third-party data sources. We also provide multiple percentiles of salary information for your reference, click here to know Why the Salary Midpoint Formula Is Crucial to Getting Pay Equity Right. With more online, real-time compensation data than any other website, Salary.com helps you determine your exact pay target.

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