Salary AI Book a Demo
upper level job

Library Assistant III Salary in the United States

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

As of October 01, 2026, the average salary for a Library Assistant III in the United States is $54,876 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): $71,778
  • Majority Range (25th-75th percentile): $48,842 to $63,723
  • Entry-Level (10th percentile): $43,348
Salary Factors Salary-Boosting Skills Salary by Experience Related Job Salaries Top Paying Cities Explore Related Jobs

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 III 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): $39,103
  • Library Assistant II (1-3 years): $44,020
  • Library Assistant III (3-5 years): $54,876
  • Library Assistant IV (5-7 years): $62,820
  • Library Services Supervisor (7+ years): $88,578
Job Role Years of Experience Average Salary
Library Assistant I0-1 years$39,103
Library Assistant II1-3 years$44,020
Library Assistant III3-5 years$54,876
Library Assistant IV5-7 years$62,820
Library Services Supervisor7+ years$88,578
View as Graph

How Do Library Assistant III 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 Library Assistant IIIs. For example, consider the average annual salaries in these key locations:
  • District of Columbia: $60,759.
  • California: $60,528.
  • Massachusetts: $59,722.

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: $69,215
  • San Francisco: $68,457
  • Oakland: $67,015

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.
Skills Demand Percentage
Customer Service 28.16%
Service Desk 1.65%
Library Science 1.37%
See More Skills

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 $58,169
6%
Leadership $58,169
6%
Presentation $58,169
6%
Get Latest Data

Library Assistant III Salary by Company Size: Startups vs. Enterprise

Library Assistant III salary potential scales significantly with company size. Data shows that Enterprise companies (5,000+ employees) pay the highest average salary at around $61,263. While startup companies pay approximate $51,874.

Library Assistant III Salary by Company Size

Company Size Employees Average Salary
Startup 1~50 $51,874
Growth Stage 51~500 $54,851
Established 501~5000 $59,155
Enterprise 5000+ $61,263

Library Assistant III Salary by Industry: Top Paying Sectors

For Library Assistant III roles, the industry you choose can affect earning potential by as much as 22% (the gap between the highest and lowest paying industries). Data shows that the Construction and Insurance sectors offer the strongest compensation, at 12% above the average. In contrast, Library Assistant positions in Edu., Gov't. & Nonprofit or Internet typically offer lower base pay, as these industries often view Library Assistant III as a support function rather than a direct revenue driver.

The top paying industries for a Library Assistant III

Industry Sector Average Annual Salary Average Hourly Rate Pay vs.Avg
Construction$61,461$30.012%
Insurance$59,815$29.09%
Business Services$59,266$28.08%
Energy & Utilities$58,169$28.06%
Healthcare$57,071$27.04%

How Education impacts a Library Assistant III's Salary?

Your level of education can impact your salary potential. While many Library Assistant III enter the field with a Bachelor's Degree, higher education can lead to more specialized and higher-paying roles.

According to our 100% employer-reported salary data, the median salary for an Library Assistant III with a Bachelor's Degree is between $54,305 and $58,435.

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%
View as Graph

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 October 01, 2026
$48,842
Average $54,876/year
$63,723
$4,070
Average $4,573/month
$5,310
$939
Average $1,055/week
$1,225
$23
Average $26/hour
$31
Annual Salary Monthly Pay Weekly Pay Hourly Wage
75th Percentile $63,723 $5,310 $1,225 $31
Average $54,876 $4,573 $1,055 $26
25th Percentile $48,842 $4,070 $939 $23

Library Assistant III Salary Growth & Career Path

Library Assistant III

Next Role

Advancement

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.

Next Step Role Estimate Salary Projected Raise
Library Assistant IV $62,820 14%
Medical Library Services Manager $94,499 72%
Library Technical Services Manager $129,900 137%

Most common benefits for Library Assistant III

  • Social Security
  • 401 (k)
  • Disability
  • Healthcare
  • Pension
  • Time Off (days)

Common company salaries for Library Assistant III

Here are companies hiring for Library Assistant III and their salaries, click below for more details.

Find Your Next Library Assistant III Job

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.

For Employees

Analyze the market and your qualifications to negotiate your salary with confidence.

Get a Salary Increase

Search thousands of open positions to find your next opportunity.

Search Job Openings

For Employers

Individualize employee pay based on unique job requirements and personal qualifications.

Adjust Employee Salary

Get the latest market price for benchmark jobs and jobs in your industry.

Price My Industry Jobs

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 $69,215.

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

The highest pay for Library Assistant III is $71,778.

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

The lowest pay for Library Assistant III is $43,348.

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.

5. What industry pays the highest salary for Library Assistant III?

The Construction industry offers the highest average compensation for Library Assistant III roles, with salaries approximately 12% above the market median.

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.

Are you an HR manager or compensation specialist?

Salary.com's CompAnalyst platform offers:

  • Detailed skills and competency reports for specific positions
  • Job and employee pricing reports
  • Compensation data tools, salary structures, surveys and benchmarks.
Learn about CompAnalyst
lower level job