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As of August 01, 2026, the average salary for an Office Assistant in Illinois is $43,213 per year, which breaks down to an hourly rate of $21.
However, an Office Assistant's salary can vary significantly. Here’s a look at the typical salary range:
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Office Assistant Salaries by Percentile
| Annual Salary |
Monthly Pay |
Weekly Pay |
Hourly Wage |
|
| 75th Percentile | $46,129 | $3,844 | $887 | $22 |
| Average | $43,213 | $3,601 | $831 | $21 |
| 25th Percentile | $38,103 | $3,175 | $733 | $18 |
Flooring America - Springfield, IL
Landmark Ford East, Inc - Springfield, IL
Sarah Bush Lincoln - Mattoon, IL
Perry's Steakhouse and Grille - Vernon Hills, IL
An Office Assistant'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.
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 Office Assistants. For example, consider the average annual salaries in these key locations:
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:
For Office Assistant roles, the industry you choose can affect earning potential by as much as 40% (the gap between the highest and lowest paying industries). Data shows that the Financial Services and Software & Networking sectors offer the strongest compensation, at 20% above the average. In contrast, Office Assistant positions in Edu., Gov't. & Nonprofit or Retail & Wholesale typically offer lower base pay, as these industries often view Office Assistant as a support function rather than a direct revenue driver.
| Industry Sector | Average Annual Salary | Average Hourly Rate | Pay vs.Avg |
|---|---|---|---|
| Financial Services | $51,856 | $25.0 | 20% |
| Software & Networking | $51,856 | $25.0 | 20% |
| Pharmaceuticals | $49,695 | $24.0 | 15% |
| Aerospace & Defense | $47,534 | $23.0 | 10% |
| Biotechnology | $47,534 | $23.0 | 10% |
Understanding how an Office Assistant'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.
| Annual Salary | Monthly Pay | Weekly Pay | Hourly Wage | |
|---|---|---|---|---|
| 75th Percentile | $46,129 | $3,844 | $887 | $22 |
| Average | $43,213 | $3,601 | $831 | $21 |
| 25th Percentile | $38,103 | $3,175 | $733 | $18 |
Ready to take the next step in your career? Browse thousands of current Office Assistant job openings on our job board. Use the search bar below to find your perfect match.
Metropolitan Family Services
Chicago, IL
Metropolitan Family Services | Chicago, IL
If asked to describe the culture at Metropolitan Family Services, we could do that in one word. COMMUNITY. Reflected in both our internal culture as well a... more
7 Days Ago
Sub Source Inc
Rockford, IL
Sub Source Inc | Rockford, IL
Office AssistantThis role involves a combination of office administrative tasks, customer interaction, and basic support functions. The ideal candidate wil... more
7 Days Ago
Sarah Bush Lincoln
Greenville, IL
Sarah Bush Lincoln | Greenville, IL
Office AssistantThe Office Assistant is responsible for performing office duties that ensures the department/clinic runs smoothly. This includes scheduling... more
7 Days Ago
Innovative Staff Solutions
Mattoon, IL
Innovative Staff Solutions | Mattoon, IL
Join Our Growing Team at Innovative Staff Solutions. Are you a skilled professional looking for an exciting new opportunity. Innovative Staff Solutions is ... more
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Rampro
Zion, IL
Rampro | Zion, IL
Job DescriptionRamPro is a commercial facilities cleaning company specializing in kitchen exhaust systems, kitchen deep cleaning, and front of house cleani... more
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HCAOA
Saint Charles, IL
HCAOA | Saint Charles, IL
Homewatch CareGivers (an in-home care agency in St. Charles, IL) is searching for an Office Assistant to provide file coordination, client referral calls, ... more
7 Days Ago
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