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Administrative Assistant II Salary in Willowbrook, IL

How much does an Administrative Assistant II make?

As of November 01, 2025, the average salary for an Administrative Assistant II in Willowbrook, IL is $54,597 per year, which breaks down to an hourly rate of $26.

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

  • Top Earners (90th percentile): $66,272
  • Majority Range (25th-75th percentile): $49,015 to $60,708
  • Entry-Level (10th percentile): $43,933
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View as table View as graph 25% $49,015 10% $43,933 90% $66,272 75% $60,708 $54,597 50%(Median) Didn’t find job title? Click

Administrative Assistant II Salaries by Percentile

Annual
Salary		 Monthly
Pay		 Weekly
Pay		 Hourly
Wage
75th Percentile $60,708 $5,059 $1,167 $29
Average $54,597 $4,550 $1,050 $26
25th Percentile $49,015 $4,085 $943 $24
Check out Administrative Assistant II Job Openings in Willowbrook, IL
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Endeavor Health - Arlington Heights, IL

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Key Factors That Influence Administrative Assistant II Salaries

An Administrative Assistant II'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, skills and company size can directly affect your earning potential.

How Experience Level Affects Administrative Assistant II Salaries?

Experience is a primary driver of an Administrative Assistant II'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): $51,406
  • Early Career (1-2 years): $51,821
  • Mid-Level (2-4 years): $54,749
  • Senior-Level (5-8 years): $58,030
  • Expert (over 8 years): $59,580
Levels Salary
Entry Level Administrative Assistant II $51,406
Intermediate Level Administrative Assistant II $51,821
Senior Level Administrative Assistant II $54,749
Specialist Level Administrative Assistant II $58,030
Expert Level Administrative Assistant II $59,580
$51,406 0 yr
$51,821 < 2 yrs
$54,749 2-4 yrs
$58,030 5-8 yrs
$59,580 > 8 yrs
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What Am I Worth?

Top Paying Cities for Administrative Assistant IIs

Salaries can also vary between different cities, even within the same state. 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 Illinois cities:

  • Harwood Heights: $54,703
  • Bedford Park: $54,682
  • Evergreen Park: $54,661

What Skills Can Increase an Administrative Assistant II's Salary?

Demanded Skills for the Role:

  • Customer Service (Mentioned in 11.77% Job Postings): Customer service is the provision of service to customers before, during and after a purchase. The perception of success of such interactions is dependent on employees "who can adjust themselves to the personality of the guest". Customer service concerns the priority an organization assigns to customer service relative to components such as product innovation and pricing. In this sense, an organization that values good customer service may spend more money in training employees than the average organization or may proactively interview customers for feedback. From the point of view of an overall sales process engineering effort, customer service plays an important role in an organization's ability to generate income and revenue. From that perspective, customer service should be included as part of an overall approach to systematic improvement. One good customer service experience can change the entire perception a customer holds towards the organization.
  • PowerPoint (Mentioned in 2.58% Job Postings): A computer software created by Microsoft which allows the user to create slides with recordings, narrations, transitions and other features in order to present information.
  • Bookkeeping (Mentioned in 1.32% Job Postings): Bookkeeping is the recording of financial transactions, and is part of the process of accounting in business. Transactions include purchases, sales, receipts, and payments by an individual person or an organization/corporation. There are several standard methods of bookkeeping, including the single-entry and double-entry bookkeeping systems. While these may be viewed as "real" bookkeeping, any process for recording financial transactions is a bookkeeping process. Bookkeeping is the work of a bookkeeper (or book-keeper), who records the day-to-day financial transactions of a business. They usually write the daybooks (which contain records of sales, purchases, receipts, and payments), and document each financial transaction, whether cash or credit, into the correct daybook—that is, petty cash book, suppliers ledger, customer ledger, etc.—and the general ledger. Thereafter, an accountant can create financial reports from the information recorded by the bookkeeper.
See More Skills
Skills Demand Percentage
Customer Service 11.77%
PowerPoint 2.58%
Bookkeeping 1.32%
What skills can make your compensation higher?
Mastering certain specialized skills can lead to a significant increase in pay. Here are examples of skills and the potential impact they can have on an Administrative Assistant II's salary.
  • Financial Services: Can increase your salary by up to 19%.
  • Analysis: Can increase your salary by up to 9%.
  • Project Management: Can increase your salary by up to 7%.
Skill Salary Salary % Increase
Financial Services
 $64,971
19%
Analysis
 $59,511
9%
Project Management
 $58,419
7%
Innovation
 $57,327
5%
Collaboration
 $57,327
5%
Leadership
 $56,781
4%
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Administrative Assistant II Salary: Hourly Rate, Weekly Pay, and Monthly Pay

Understanding how an Administrative Assistant II'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 November 01, 2025
$49,015
Average $54,597/year
$60,708
$4,085
Average $4,550/month
$5,059
$943
Average $1,050/week
$1,167
$24
Average $26/hour
$29
Annual Salary Monthly Pay Weekly Pay Hourly Wage
75th Percentile $60,708 $5,059 $1,167 $29
Average $54,597 $4,550 $1,050 $26
25th Percentile $49,015 $4,085 $943 $24

Salaries of jobs related to Administrative Assistant II

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Cost of Living In Willowbrook, IL

Cost of Living in Willowbrook, IL is
12.2% Higher
than the National Average

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