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Advanced Office Assistant Salary in Missouri

How much does an Advanced Office Assistant make in Missouri? As of September 01, 2026, the average salary for an Advanced Office Assistant in Missouri is $45,331 per year, which breaks down to an hourly rate of $22.

However, an Advanced Office Assistant's salary can vary significantly. Here's a look at the typical salary range:

  • Top Earners (90th percentile): $57,100
  • Majority Range (25th-75th percentile): $40,913 to $51,491
  • Entry-Level (10th percentile): $36,891
Salary Factors Salary by Experience Related Job Salaries Top Paying Cities Explore Related Jobs

Check out Advanced Office Assistant Job Openings in Missouri

Key Factors That Influence Advanced Office Assistant Salaries

An Advanced Office 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.

How Experience Level Affects Advanced Office Assistant Salaries?

Experience is a primary driver of an Advanced Office 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:

  • Entry-Level (less than 1 year): $44,047
  • Early Career (1-2 years): $49,557
  • Mid-Level (2-4 years): $57,056
  • Senior-Level (5-8 years): $75,978
  • Expert (over 8 years): $87,243
Job RoleYears of ExperienceAverage Salary
Advanced Office Assistant less than 1 year $44,047
Sales Assistant II 1-2 years $49,557
Sales Assistant III 2-4 years $57,056
Sales Assistant Team Leader 5-8 years $75,978
Sales Support Supervisor over 8 years $87,243

How Do Advanced Office Assistant 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 Advanced Office Assistants. For example, consider the average annual salaries in these key locations:

  • District of Columbia: $52,826.
  • California: $52,626.
  • Massachusetts: $51,924.

Top Paying Cities for Advanced Office Assistant

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: $43,925
  • Eugene: $44,104
  • Fortuna: $44,092

Advanced Office Assistant Salary by Industry: Top Paying Sectors

For Advanced Office Assistant roles, the industry you choose can affect earning potential by as much as 55% (the gap between the highest and lowest paying industries). Data shows that the Biotechnology and Financial Services sectors offer the strongest compensation, at 20% above the average. In contrast, Advanced Office Assistant positions in Hospitality & Leisure or Edu., Gov't. & Nonprofit typically offer lower base pay, as these industries often view Advanced Office Assistant as a support function rather than a direct revenue driver.

The top paying industries for an Advanced Office Assistant

Industry Sector Average Annual Salary Average Hourly Rate Pay vs.Avg
Biotechnology $54,397 $26.0 20%
Financial Services $54,397 $26.0 20%
Pharmaceuticals $54,397 $26.0 20%
Software & Networking $54,397 $26.0 20%
Telecom $54,397 $26.0 20%

Advanced Office Assistant Salary: Hourly Rate, Weekly Pay, and Monthly Pay

Understanding how an Advanced Office 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.

  • Yearly
  • Monthly
  • Weekly
  • Hourly
  • Table View
Last Updated on September 01, 2026
$40,913
Average $45,331/year
$51,491
$3,409
Average $3,778/month
$4,291
$787
Average $872/week
$990
$20
Average $22/hour
$25
Annual Salary Monthly Pay Weekly Pay Hourly Wage
75th Percentile $51,491 $4,291 $990 $25
Average $45,331 $3,778 $872 $22
25th Percentile $40,913 $3,409 $787 $20

Find Your Next Advanced Office Assistant Job

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

  • Post Holdings | St. Louis, MO

    Office Assistant

    Post Holdings | St. Louis, MO

    Post Holdings - - Responsibilities: Provide administrative and office support for corporate leaders. Coordinate calendar and meetings. Arrange travel and p... more

    3 Days Ago

  • SBM Management Services | Saint Louis, MO

    Office Assistant

    SBM Management Services | Saint Louis, MO

    Office AssistantSBM Management is searching for a dynamic Office Assistant to join our team. The Office Assistant is responsible for administrative respons... more

    5 Days Ago

  • IICRC | Hillsboro, MO

    Office Assistant

    IICRC | Hillsboro, MO

    Office Assistant - Paul Davis Restoration Southeast St. LouisPosition: Help our customers and team members in any way needed, with a welcoming and friendly... more

    5 Days Ago

  • Park Avenue Coffee | Saint Louis, MO

    Office Assistant

    Park Avenue Coffee | Saint Louis, MO

    Office AssistantAt Park Avenue Coffee we live by three guiding principles:Good People, Good Coffee, and Good Gooey Butter Cake. Simply put, we strive to en... more

    5 Days Ago

  • Staffmark Group | Kansas City, MO

    Office Assistant

    Staffmark Group | Kansas City, MO

    Now hiring Office AssistantKansas City, MOPay Rate:$20.00 per hourShift: Monday - Friday 9:00 AM - 5:30 PMPaperwork. Phones. People. You Make It Look Easy.... more

    5 Days Ago

  • Central Florida Window Cleaning, Inc. | Hazelwood, MO

    Office Assistant

    Central Florida Window Cleaning, Inc. | Hazelwood, MO

    Responsive recruiterReplies within 24 hoursFish Window Cleaning North County is looking to hire a responsible part time Office Assistant for the Hazelwood/... more

    3 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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