How much does an Agency Office Assistant make in Missouri? As of September 01, 2026, the average salary for an Agency Office Assistant in Missouri is $51,460 per year, which breaks down to an hourly rate of $25.

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

  • Top Earners (90th percentile): $60,193
  • Majority Range (25th-75th percentile): $46,337 to $56,031
  • Entry-Level (10th percentile): $41,673

Key Factors That Influence Agency Office Assistant Salaries

An Agency 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 Agency Office Assistant Salaries?

Experience is a primary driver of an Agency 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): $48,806
  • Early Career (1-2 years): $50,508
  • Mid-Level (2-4 years): $52,920
  • Senior-Level (5-8 years): $52,920
  • Expert (over 8 years): $53,111
Job RoleYears of ExperienceAverage Salary
Entry Level Agency Office Assistant less than 1 year $48,806
Early Career Level Agency Office Assistant 1-2 years $50,508
Mid-Level Level Agency Office Assistant 2-4 years $52,920
Senior-Level Level Agency Office Assistant 5-8 years $52,920
Expert Level Agency Office Assistant over 8 years $53,111

Top Paying Cities for Agency 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: $49,865
  • Eugene: $50,068
  • Fortuna: $50,054

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

Understanding how an Agency 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
$46,337
Average $51,460/year
$56,031
$3,861
Average $4,288/month
$4,669
$891
Average $990/week
$1,078
$22
Average $25/hour
$27
Annual Salary Monthly Pay Weekly Pay Hourly Wage
75th Percentile $56,031 $4,669 $1,078 $27
Average $51,460 $4,288 $990 $25
25th Percentile $46,337 $3,861 $891 $22

Find Your Next Agency Office Assistant Job

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

  • Park Avenue Coffee | Saint Louis, MO

    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

    7 Days Ago

  • SBM Management Services | Saint Louis, MO

    SBM Management Services | Saint Louis, MO

    DescriptionPosition at SBM ManagementSBM Management is searching for a dynamic Office Assistant to join our team. The Office Assistant is responsible for a... more

    7 Days Ago

  • Staffmark Group | Kansas City, MO

    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

    7 Days Ago

  • SUNSHINE WHOLESALE | Kansas City, MO

    SUNSHINE WHOLESALE | Kansas City, MO

    We are a small family owned small wholesale business for smoking products.We are looking for an office assistant position.We are looking for a candidates w... more

    8 Days Ago

  • SSM Health | Belle, MO

    SSM Health | Belle, MO

    SSM Health - 100 Highway 28 - Responsibilities: Greets patients and visitors. Answers and screens telephone calls. Files and distributes mail. Maintains pa... more

    8 Days Ago

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

    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

    5 Days Ago

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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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