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Library Assistant I Salary in Arlington, MA

How much does a Library Assistant I make in Arlington, MA?

As of July 01, 2026, the average salary for a Library Assistant I in Arlington, MA is $42,161 per year, which breaks down to an hourly rate of $20.

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

  • Top Earners (90th percentile): $49,093
  • Majority Range (25th-75th percentile): $38,367 to $45,790
  • Entry-Level (10th percentile): $34,913
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View as table View as graph 25% $38,367 10% $34,913 90% $49,093 75% $45,790 $42,161 50%(Median) Didn’t find job title? Click

Library Assistant I Salaries by Percentile

Annual
Salary		 Monthly
Pay		 Weekly
Pay		 Hourly
Wage
75th Percentile $45,790 $3,816 $881 $22
Average $42,161 $3,513 $811 $20
25th Percentile $38,367 $3,197 $738 $18
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Key Factors That Influence Library Assistant I Salaries

A Library Assistant I'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 Salaries?

Experience is a primary driver of a Library Assistant I'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): $42,161
  • Library Assistant II (1-3 years): $47,064
  • Library Assistant III (3-5 years): $60,705
  • Library Assistant IV (5-7 years): $67,760
  • Library Services Supervisor (7+ years): $98,047
Job Role Years of Experience Average Salary
Library Assistant I0-1 years$42,161
Library Assistant II1-3 years$47,064
Library Assistant III3-5 years$60,705
Library Assistant IV5-7 years$67,760
Library Services Supervisor7+ years$98,047
$42,161 Library A...
$47,064 Library A...
$60,705 Library A...
$67,760 Library A...
$98,047 Library S...
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What Am I Worth?

Top Paying Cities for Library Assistant Is

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: $48,044
  • San Francisco: $47,518
  • Oakland: $46,517

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

Library Assistant I salary potential scales significantly with company size. Data shows that Enterprise companies (5,000+ employees) pay the highest average salary at around $47,157. While startup companies pay approximate $39,881.

Library Assistant I Salary by Company Size

Company Size Employees Average Salary
Startup1~50$39,881
Growth Stage51~500$42,180
Established501~5000$45,539
Enterprise5000+$47,157