Administrative Assistant - Casual Salary in Illinois

How much does an Administrative Assistant - Casual make in Illinois? As of September 01, 2026, the average salary for an Administrative Assistant - Casual in Illinois is $47,420 per year, which breaks down to an hourly rate of $23.

However, an Administrative Assistant - Casual's salary can vary significantly. Here's a look at the typical salary range:

  • Top Earners (90th percentile): $59,732
  • Majority Range (25th-75th percentile): $42,799 to $53,865
  • Entry-Level (10th percentile): $38,592

Key Factors That Influence Administrative Assistant - Casual Salaries

An Administrative Assistant - Casual'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 Administrative Assistant - Casual Salaries?

Experience is a primary driver of an Administrative Assistant - Casual'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:

  • Entry-Level (less than 1 year): $46,077
  • Early Career (1-2 years): $51,841
  • Mid-Level (2-4 years): $59,686
  • Senior-Level (5-8 years): $79,480
  • Expert (over 8 years): $91,264
Job RoleYears of ExperienceAverage Salary
Administrative Assistant - Casual less than 1 year $46,077
Sales Assistant II 1-2 years $51,841
Sales Assistant III 2-4 years $59,686
Sales Assistant Team Leader 5-8 years $79,480
Sales Support Supervisor over 8 years $91,264

Top Paying Cities for Administrative Assistant - Casual

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:

  • Effingham: $43,712
  • Saint Peter: $43,651
  • Salem: $43,818

Administrative Assistant - Casual Salary by Industry: Top Paying Sectors

For Administrative Assistant - Casual roles, the industry you choose can affect earning potential by as much as 55% (the gap between the highest and lowest paying industries). Data shows that the Biotechnology and Financial Services sectors offer the strongest compensation, at 20% above the average. In contrast, Administrative Assistant - Casual positions in Hospitality & Leisure or Edu., Gov't. & Nonprofit typically offer lower base pay, as these industries often view Administrative Assistant - Casual as a support function rather than a direct revenue driver.

The top paying industries for an Administrative Assistant - Casual

Industry Sector Average Annual Salary Average Hourly Rate Pay vs.Avg
Biotechnology $56,904 $27.0 20%
Financial Services $56,904 $27.0 20%
Pharmaceuticals $56,904 $27.0 20%
Software & Networking $56,904 $27.0 20%
Telecom $56,904 $27.0 20%

Administrative Assistant - Casual Salary: Hourly Rate, Weekly Pay, and Monthly Pay

Understanding how an Administrative Assistant - Casual'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.

  • Yearly
  • Monthly
  • Weekly
  • Hourly
  • Table View
Last Updated on September 01, 2026
$42,799
Average $47,420/year
$53,865
$3,567
Average $3,952/month
$4,489
$823
Average $912/week
$1,036
$21
Average $23/hour
$26
Annual Salary Monthly Pay Weekly Pay Hourly Wage
75th Percentile $53,865 $4,489 $1,036 $26
Average $47,420 $3,952 $912 $23
25th Percentile $42,799 $3,567 $823 $21

Find Your Next Administrative Assistant - Casual Job

Ready to take the next step in your career? Browse thousands of current Administrative Assistant - Casual job openings on our job board. Use the search bar below to find your perfect match.

  • FURQAAN ACADEMY | Bolingbrook, IL

    FURQAAN ACADEMY | Bolingbrook, IL

    The candidate will provide high-level administrative support to the executive team, including scheduling meetings, preparing reports, handling corresponden... more

    5 Days Ago

  • Qureos Inc | Naperville, IL

    Qureos Inc | Naperville, IL

    Administrative AssistantCompany:eAllianceLocation:Naperville, Illinois, United StatesEmployment Type:Full-TimeSalary:$25.67 - $36.78 USD per hourJob Overvi... more

    7 Days Ago

  • EnerStaff | Batavia, IL

    EnerStaff | Batavia, IL

    Administrative Assistant (Temp-to-Hire)Location: Batavia, IL 60510Shift: M-F 7am-4pmPay: $22.00-$25.00/ hour DOEDuties:Perform general administrative tasks... more

    7 Days Ago

  • IMEG Corp | Naperville, IL

    IMEG Corp | Naperville, IL

    Are you Ready to Engineer Your Career. At IMEG, one of the largest design consulting firms in the U.S., we strive to provide exciting and rewarding career ... more

    7 Days Ago

  • Sci Shared Resources Llc | Pekin, IL

    Sci Shared Resources Llc | Pekin, IL

    Our associates celebrate lives. We celebrate our associates.Provides administrative support to a funeral home, cemetery, crematory or a combination of thes... more

    7 Days Ago

  • Invesco | Downers Grove, IL

    Invesco | Downers Grove, IL

    About Invesco As one of the world's leading independent global investment firms, Invesco is dedicated to rethinking possibilities for our clients.By delive... more

    8 Days Ago

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