Administrative Assistant/Purchasing Agent Salary in Illinois

How much does an Administrative Assistant/Purchasing Agent make in Illinois? As of August 01, 2026, the average salary for an Administrative Assistant/Purchasing Agent in Illinois is $73,270 per year, which breaks down to an hourly rate of $35.

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

  • Top Earners (90th percentile): $92,248
  • Majority Range (25th-75th percentile): $64,148 to $83,204
  • Entry-Level (10th percentile): $55,843

Key Factors That Influence Administrative Assistant/Purchasing Agent Salaries

An Administrative Assistant/Purchasing Agent'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/Purchasing Agent Salaries?

Experience is a primary driver of an Administrative Assistant/Purchasing Agent'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): $55,348
  • Early Career (1-2 years): $63,536
  • Mid-Level (2-4 years): $71,201
  • Senior-Level (5-8 years): $90,821
  • Expert (over 8 years): $103,845
Job RoleYears of ExperienceAverage Salary
Purchasing Clerk II less than 1 year $55,348
Purchasing Clerk III 1-2 years $63,536
Administrative Assistant/Purchasing Agent 2-4 years $71,201
Purchasing Supervisor 5-8 years $90,821
Purchasing Senior Supervisor over 8 years $103,845

Top Paying Cities for Administrative Assistant/Purchasing Agent

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: $67,540
  • Saint Peter: $67,448
  • Salem: $67,704

Administrative Assistant/Purchasing Agent Salary by Industry: Top Paying Sectors

For Administrative Assistant/Purchasing Agent roles, the industry you choose can affect earning potential by as much as 53% (the gap between the highest and lowest paying industries). Data shows that the Pharmaceuticals and Financial Services sectors offer the strongest compensation, at 30% above the average. In contrast, Administrative Assistant/Purchasing Agent positions in Transportation or Edu., Gov't. & Nonprofit typically offer lower base pay, as these industries often view Administrative Assistant/Purchasing Agent as a support function rather than a direct revenue driver.

The top paying industries for an Administrative Assistant/Purchasing Agent

Industry Sector Average Annual Salary Average Hourly Rate Pay vs.Avg
Pharmaceuticals $95,251 $46.0 30%
Financial Services $87,924 $42.0 20%
Biotechnology $84,261 $41.0 15%
Energy & Utilities $84,261 $41.0 15%
Software & Networking $82,795 $40.0 13%

Administrative Assistant/Purchasing Agent Salary: Hourly Rate, Weekly Pay, and Monthly Pay

Understanding how an Administrative Assistant/Purchasing Agent'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 August 01, 2026
$64,148
Average $73,270/year
$83,204
$5,346
Average $6,106/month
$6,934
$1,234
Average $1,409/week
$1,600
$31
Average $35/hour
$40
Annual Salary Monthly Pay Weekly Pay Hourly Wage
75th Percentile $83,204 $6,934 $1,600 $40
Average $73,270 $6,106 $1,409 $35
25th Percentile $64,148 $5,346 $1,234 $31

Find Your Next Administrative Assistant/Purchasing Agent Job

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

  • House of Sport | WORTHING, SD

    House of Sport | WORTHING, SD

    House of Sport, an experiential concept by DICK’S Sporting Goods, is seeking a Retail Store Administrative Assistant to keep our dynamic store running smoo... more

    1 Day Ago

  • House of Sport | VALLEY SPRINGS, SD

    House of Sport | VALLEY SPRINGS, SD

    House of Sport, an experiential DICK’S Sporting Goods concept, is seeking a Retail Store Administrative Assistant to keep our dynamic store running smoothl... more

    1 Day Ago

  • House of Sport | RENNER, SD

    House of Sport | RENNER, SD

    House of Sport, an experiential DICK’S Sporting Goods concept, is seeking a Retail Store Administrative Assistant to keep our dynamic store running smoothl... more

    1 Day Ago

  • House of Sport | BERESFORD, SD

    House of Sport | BERESFORD, SD

    House of Sport, an experiential DICK’S Sporting Goods concept, is seeking a Retail Store Administrative Assistant to keep our dynamic store running smoothl... more

    1 Day Ago

  • House of Sport | BRANDON, SD

    House of Sport | BRANDON, SD

    House of Sport, an experiential DICK’S Sporting Goods concept, is seeking a Retail Store Administrative Assistant to keep our dynamic store running smoothl... more

    1 Day Ago

  • House of Sport | ELLIS, SD

    House of Sport | ELLIS, SD

    House of Sport, an experiential DICK’S Sporting Goods concept, is seeking a Retail Store Administrative Assistant to keep our dynamic store running smoothl... more

    1 Day Ago

For Employees

Analyze the market and your qualifications to negotiate your salary with confidence.

Get a Salary Increase

Search thousands of open positions to find your next opportunity.

Search Job Openings

For Employers

Individualize employee pay based on unique job requirements and personal qualifications.

Adjust Employee Salary

Get the latest market price for benchmark jobs and jobs in your industry.

Price My Industry Jobs

Where Does Our Salary Data Come From?

Salary.com salary estimates, histograms, trends, and comparisons are derived from both employer job postings and third-party data sources. We also provide multiple percentiles of salary information for your reference, click here to know Why the Salary Midpoint Formula Is Crucial to Getting Pay Equity Right. With more online, real-time compensation data than any other website, Salary.com helps you determine your exact pay target.

Are you an HR manager or compensation specialist?

Salary.com's CompAnalyst platform offers:

  • Detailed skills and competency reports for specific positions
  • Job and employee pricing reports
  • Compensation data tools, salary structures, surveys and benchmarks.
Learn about CompAnalyst