Administrative Assistant - Corporate Services Salary in Illinois

How much does an Administrative Assistant - Corporate Services make in Illinois? As of September 01, 2026, the average salary for an Administrative Assistant - Corporate Services in Illinois is $54,035 per year, which breaks down to an hourly rate of $26.

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

  • Top Earners (90th percentile): $66,190
  • Majority Range (25th-75th percentile): $48,776 to $60,398
  • Entry-Level (10th percentile): $43,987

Key Factors That Influence Administrative Assistant - Corporate Services Salaries

An Administrative Assistant - Corporate Services'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 - Corporate Services Salaries?

Experience is a primary driver of an Administrative Assistant - Corporate Services'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): $49,659
  • Early Career (1-2 years): $50,060
  • Mid-Level (2-4 years): $52,886
  • Senior-Level (5-8 years): $56,068
  • Expert (over 8 years): $57,570
Job RoleYears of ExperienceAverage Salary
Entry Level Administrative Assistant - Corporate Services less than 1 year $49,659
Early Career Level Administrative Assistant - Corporate Services 1-2 years $50,060
Mid-Level Level Administrative Assistant - Corporate Services 2-4 years $52,886
Senior-Level Level Administrative Assistant - Corporate Services 5-8 years $56,068
Expert Level Administrative Assistant - Corporate Services over 8 years $57,570

Top Paying Cities for Administrative Assistant - Corporate Services

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: $49,810
  • Saint Peter: $49,741
  • Salem: $49,930

Administrative Assistant - Corporate Services Salary by Industry: Top Paying Sectors

For Administrative Assistant - Corporate Services roles, the industry you choose can affect earning potential by as much as 65% (the gap between the highest and lowest paying industries). Data shows that the Biotechnology and Internet sectors offer the strongest compensation, at 25% above the average. In contrast, Administrative Assistant - Corporate Services positions in Transportation or Edu., Gov't. & Nonprofit typically offer lower base pay, as these industries often view Administrative Assistant - Corporate Services as a support function rather than a direct revenue driver.

The top paying industries for an Administrative Assistant - Corporate Services

Industry Sector Average Annual Salary Average Hourly Rate Pay vs.Avg
Biotechnology $67,544 $32.0 25%
Internet $64,842 $31.0 20%
Software & Networking $64,842 $31.0 20%
Energy & Utilities $62,140 $30.0 15%
Aerospace & Defense $59,439 $29.0 10%

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

Understanding how an Administrative Assistant - Corporate Services'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
$48,776
Average $54,035/year
$60,398
$4,065
Average $4,503/month
$5,033
$938
Average $1,039/week
$1,161
$23
Average $26/hour
$29
Annual Salary Monthly Pay Weekly Pay Hourly Wage
75th Percentile $60,398 $5,033 $1,161 $29
Average $54,035 $4,503 $1,039 $26
25th Percentile $48,776 $4,065 $938 $23

Find Your Next Administrative Assistant - Corporate Services Job

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

  • Suburban Cook County Online Application Consortium | Lyons, IL

    Suburban Cook County Online Application Consortium | Lyons, IL

    Position Type:Secretarial/Clerical/Secretary - 12-MonthsDate Posted:3/6/2026Location:Administration Center - Steger School District 194Date Available:ASAPC... more

    9 Days Ago

  • Wilson Elser (Professional Staff Careers) | Chicago, IL

    Wilson Elser (Professional Staff Careers) | Chicago, IL

    A leading defense litigation law firm is seeking an Administrative Assistant to support a national client services team.This position offers a flexible hyb... more

    9 Days Ago

  • Diaz Anselmo & Assoc. PA | Naperville, IL

    Diaz Anselmo & Assoc. PA | Naperville, IL

    Job Description. Job Description. We are seeking a highly organized and detail-focused. Administrative Assistant. to join our Office Services team. In this... more

    11 Days Ago

  • eTeam | Mossville, IL

    eTeam | Mossville, IL

    Job Title :Administrative Assistant 5Loation: Mossville,IL 61552Duration: 12 MonthsTypical task breakdown:- dministrative duties include, but are not limit... more

    9 Days Ago

  • Aspen Careers, LLC | Chicago, IL

    Aspen Careers, LLC | Chicago, IL

    Job Description. Job Description. Join a Collaborative Team – Corporate / Intellectual Property Legal Administrative Assistant Opportunity in Chicago. Aspe... more

    7 Days Ago

  • Dolton School District 149 | Calumet City, IL

    Dolton School District 149 | Calumet City, IL

    Position Type:Secretarial/Clerical/Secretary - 12-MonthsDate Posted:2/23/2026Location:District / Central OfficeDate Available:ImmediateClosing Date:Until F... more

    9 Days Ago

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