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Library Assistant II Salary in the United States

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

As of August 01, 2026, the average salary for a Library Assistant II in the United States is $42,520 per year, which breaks down to an hourly rate of $20.

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

  • Top Earners (90th percentile): $51,883
  • Majority Range (25th-75th percentile): $37,961 to $47,421
  • Entry-Level (10th percentile): $33,810
Salary Factors Salary-Boosting Skills Salary by Experience Related Job Salaries Top Paying Cities Explore Related Jobs

Key Factors That Influence Library Assistant II Salaries

A Library Assistant II'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 Library Assistant II Salaries?

Experience is a primary driver of a Library Assistant II'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): $54,855
  • Library Assistant IV (5-7 years): $61,218
  • Library Services Supervisor (7+ years): $88,580
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$54,855
Library Assistant IV5-7 years$61,218
Library Services Supervisor7+ years$88,580
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How Do Library Assistant IIs 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 IIs. For example, consider the average annual salaries in these key locations:
  • District of Columbia: $47,078.
  • California: $46,900.
  • Massachusetts: $46,275.

Top Paying Cities for Library Assistant II

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: $53,630
  • San Francisco: $53,043
  • Oakland: $51,925

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

Library Assistant II salary potential scales significantly with company size. Data shows that Enterprise companies (5,000+ employees) pay the highest average salary at around $47,599. While startup companies pay approximate $40,267.

Library Assistant II Salary by Company Size

Company Size Employees Average Salary
Startup 1~50 $40,267
Growth Stage 51~500 $42,588
Established 501~5000 $45,965
Enterprise 5000+ $47,599

Library Assistant II Salary by Industry: Top Paying Sectors

For Library Assistant II roles, the industry you choose can affect earning potential by as much as 45% (the gap between the highest and lowest paying industries). Data shows that the Pharmaceuticals and Financial Services sectors offer the strongest compensation, at 25% above the average. In contrast, Library Assistant positions in Hospitality & Leisure or Edu., Gov't. & Nonprofit typically offer lower base pay, as these industries often view Library Assistant II as a support function rather than a direct revenue driver.

The top paying industries for a Library Assistant II

Industry Sector Average Annual Salary Average Hourly Rate Pay vs.Avg
Pharmaceuticals$53,150$26.025%
Financial Services$51,024$25.020%
Energy & Utilities$48,898$24.015%
Business Services$46,772$22.010%
Insurance$46,772$22.010%

Library Assistant II Salary: Hourly Rate, Weekly Pay, and Monthly Pay

Understanding how a Library Assistant II'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 August 01, 2026
$37,961
Average $42,520/year
$47,421
$3,163
Average $3,543/month
$3,952
$730
Average $818/week
$912
$18
Average $20/hour
$23
Annual Salary Monthly Pay Weekly Pay Hourly Wage
75th Percentile $47,421 $3,952 $912 $23
Average $42,520 $3,543 $818 $20
25th Percentile $37,961 $3,163 $730 $18

Library Assistant II Salary Growth & Career Path

Library Assistant II

Next Role

Advancement

Promotions are the fastest way to increase your earnings. As a Library Assistant II, 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 III $54,855 29%
Medical Library Services Manager $94,494 122%
Library Technical Services Manager $129,824 205%

Most common benefits for Library Assistant II

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

Common company salaries for Library Assistant II

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

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FAQ about Library Assistant II

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

A Library Assistant II'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 II earns the most in San Jose, CA, where the annual salary of a Library Assistant II is $53,630.

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

The highest pay for Library Assistant II is $51,883.

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

The lowest pay for Library Assistant II is $33,810.

4. What are the responsibilities of Library Assistant II?

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 under moderate supervision. Gaining or has attained full proficiency in a specific area of discipline. Typically requires 1-3 years of related experience.

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

The Pharmaceuticals industry offers the highest average compensation for Library Assistant II roles, with salaries approximately 25% 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.

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