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Library Assistant III Salary in the United States

How much does a Library Assistant III make in the United States?

As of April 01, 2026, the average salary for a Library Assistant III in the United States is $54,812 per year, which breaks down to an hourly rate of $26.

However, a Library Assistant III's salary can vary significantly. Here’s a look at the typical salary range:

  • Top Earners (90th percentile): $71,714
  • Majority Range (25th-75th percentile): $48,789 to $63,659
  • Entry-Level (10th percentile): $43,305
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View as table View as graph 25% $48,789 10% $43,305 90% $71,714 75% $63,659 $54,812 50%(Median) Didn’t find job title? Click

Library Assistant III Salaries by Percentile

Annual
Salary
Monthly
Pay
Weekly
Pay
Hourly
Wage
75th Percentile $63,659 $5,305 $1,224 $31
Average $54,812 $4,568 $1,054 $26
25th Percentile $48,789 $4,066 $938 $23
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Key Factors That Influence Library Assistant III Salaries

A Library Assistant III'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, education and company size can directly affect your earning potential.

How Experience Level Affects Library Assistant Salaries?

Experience is a primary driver of a Library Assistant III'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:

  • Library Assistant I (0-1 years): $38,091
  • Library Assistant II (1-3 years): $42,520
  • Library Assistant III (3-5 years): $54,812
  • Library Assistant IV (5-7 years): $61,218
  • Library Services Supervisor (7+ years): $88,584
Job Role Years of Experience Average Salary
Library Assistant I0-1 years$38,091
Library Assistant II1-3 years$42,520
Library Assistant III3-5 years$54,812
Library Assistant IV5-7 years$61,218
Library Services Supervisor7+ years$88,584
$38,091 Library A...
$42,520 Library A...
$54,812 Library A...
$61,218 Library A...
$88,584 Library S...
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What Am I Worth?

Top Paying Cities for Library Assistant IIIs

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:

  • San Jose: $69,134
  • San Francisco: $68,455
  • Oakland: $66,936

What Skills Can Increase a Library Assistant III's Salary?

Demanded Skills for the Role:

  • Customer Service (Mentioned in 28.16% Job Postings): Customer service is the provision of service to customers before, during and after a purchase. The perception of success of such interactions is dependent on employees "who can adjust themselves to the personality of the guest". Customer service concerns the priority an organization assigns to customer service relative to components such as product innovation and pricing. In this sense, an organization that values good customer service may spend more money in training employees than the average organization or may proactively interview customers for feedback. From the point of view of an overall sales process engineering effort, customer service plays an important role in an organization's ability to generate income and revenue. From that perspective, customer service should be included as part of an overall approach to systematic improvement. One good customer service experience can change the entire perception a customer holds towards the organization.
  • Service Desk (Mentioned in 1.65% Job Postings): A service desk is the single point of contact between the service provider and users for everyday activities. Goal of a service desk is to provide resolutions for user requests as efficiently as possible.
  • Library Science (Mentioned in 1.37% Job Postings): Is an academic discipline that is sometimes referred to as information studies. This field focuses on how to classify and use data or objects and emphasizes the importance of preserving knowledge and promoting literacy.
See More Skills
Skills Demand Percentage
Customer Service 28.16%
Service Desk 1.65%
Library Science 1.37%
What skills can make your compensation higher?
Mastering certain specialized skills can lead to a significant increase in pay. Here are examples of skills and the potential impact they can have on a Library Assistant III's salary.
  • Collaboration: Can increase your salary by up to 6%.
  • Leadership: Can increase your salary by up to 6%.
  • Presentation: Can increase your salary by up to 6%.
Skill Salary Salary % Increase
Collaboration
$58,101
6%
Leadership
$58,101
6%
Presentation
$58,101
6%
Library Science
$57,004
4%
Verbal Communication
$57,004
4%
Administrative Support
$57,004
4%
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How Education impacts a Library Assistant III's Salary?

Your level of education can impact your salary potential. While many Library Assistant IIIs enter the field with a High School Diploma or Technical Certificate degree, higher education can lead to more specialized and higher-paying roles.

According to our 100% employer-reported salary data, the median salary for a Library Assistant III with a High School Diploma or Technical Certificate is between $53,634 and $57,882).

Library Assistant III Salaries by Degree Level

Typical Education for Library Assistant III
Degree Level % of user with this level of education
No Diploma 0.8%
High School 16.9%
Associates 12.9%
Bachelors 52.2%
Masters 17.3%
Doctorate 0.0%
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Library Assistant III Salary: Hourly Rate, Weekly Pay, and Monthly Pay

Understanding how a Library Assistant III'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.

Last Updated on April 01, 2026

Library Assistant III Salary Growth & Career Path

Promotions are the fastest way to increase your earnings. As a Library Assistant III, you have the following paths for advancement. The table below compares the salary raises for common next-step roles. By comparing these figures, you can choose the career path that best meets your financial goals.

Library Assistant III Salary Growth and Career Path
Next Step Role Estimate Salary Projected Raise
Library Assistant IV $61,218 12%
Medical Library Services Manager $94,485 72%
Library Technical Services Manager $129,674 137%

Salary Trends for Library Assistant III

Salaries for a Library Assistant III can change over time, reflecting shifts in market demand and the overall economy. The median salary decreased from $47,636 in 2023 to around $47,030 in 2025, reflecting changes in demand, location, experience, and the wider economy. For a detailed analysis of Library Assistant III salary trends, .

Average Annual Salary of Library Assistant III Over Time

2022
$???
2023
$47,636
2024
$47,318
2025
$47,030
2026
$???
2027
$???
Year Average Annual Salary
2022
View More
2023 $47,636
2024 $47,318
2025 $47,030
2026
View More
2027
View More

Most common benefits for Library Assistant III

Social Security
401(k)
Disability
Healthcare
Pension
Time Off (days)
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Common company salaries for Library Assistant III

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

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FAQ about Library Assistant III

1. Where can a Library Assistant III earn the most?

A Library Assistant III's earning potential can vary widely depending on several factors, including location, industry, experience, education, and the specific employer. According to the latest salary data by Salary.com, a Library Assistant III earns the most in San Jose, CA, where the annual salary of a Library Assistant III is $69,134.

2. What is the highest pay for Library Assistant III?

The highest pay for Library Assistant III is $71,714.

3. What is the lowest pay for Library Assistant III?

The lowest pay for Library Assistant III is $43,305.

4. What are the responsibilities of Library Assistant III?

Supports library circulation and processing operations and assists library users in locating materials and using library systems and tools. Reshelves returned books and materials and updates the library information system. Maintains user account and access data and processes special requests for materials. Performs routine cataloging processes. Assists with maintenance and update processes for library databases, software, and systems. May perform clerical tasks related to book purchasing and payments. Requires a high school diploma. Typically reports to a supervisor. Works independently within established procedures associated with the specific job function. Has gained proficiency in multiple competencies relevant to the job. Typically requires 3-5 years of related experience.

Where Does Our Salary Data Come From?

Salary.com provides salary estimates, histograms, trends, and comparisons using data from employer job postings and third-party sources.

We offer detailed salary information across multiple percentiles for your reference. (Click here to learn Why the Salary Midpoint Formula Is Crucial for Achieving Pay Equity.)

With the most extensive online, real-time compensation data available, Salary.com helps you pinpoint your exact pay target.

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