As of April 01, 2026, the average salary for a Library Assistant IV in the United States is $61,218 per year, which breaks down to an hourly rate of $29.
However, a Library Assistant IV's salary can vary significantly. Here’s a look at the typical salary range:
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A Library Assistant IV'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.
Experience is a primary driver of a Library Assistant IV'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:
| Job Role | Years of Experience | Average Salary |
|---|---|---|
| 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 |
| Library Services Manager | 7+ years | $102,749 |
What Am I Worth?
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 IVs. For example, consider the average annual salaries in these key locations:
Understanding how a Library Assistant IV'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, 2026Promotions are the fastest way to increase your earnings. As a Library Assistant IV, 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 Services Supervisor | $88,584 | 45% |
| Medical Library Services Manager | $94,485 | 54% |
| Library Technical Services Manager | $129,674 | 112% |
Salaries for a Library Assistant IV can change over time, reflecting shifts in market demand and the overall economy. The median salary decreased from $57,746 in 2023 to around $56,999 in 2025, reflecting changes in demand, location, experience, and the wider economy. For a detailed analysis of Library Assistant IV salary trends, .
| Year | Average Annual Salary |
|---|---|
| 2022 |
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| 2023 | $57,746 |
| 2024 | $57,587 |
| 2025 | $56,999 |
| 2026 |
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| 2027 |
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Compensation PlanningHere are companies hiring for Library Assistant IV and their salaries, click below for more details.
Ready to take the next step in your career? Browse thousands of current Library Assistant IV job openings on our job board. Use the search bar below to find your perfect match.
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A Library Assistant IV'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 IV earns the most in San Jose, CA, where the annual salary of a Library Assistant IV is $77,214.
The highest pay for Library Assistant IV is $71,080.
The lowest pay for Library Assistant IV is $50,309.
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. Independently performs a wide range of complex duties under general guidance from supervisors. Has gained full proficiency in a broad range of activities related to the job. Typically requires 5-7 years of related experience.
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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