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Inside Sales Development Assistant II Salary in Illinois

How much does an Inside Sales Development Assistant II make in Illinois?

As of August 01, 2026, the average salary for an Inside Sales Development Assistant II in Illinois is $47,500 per year, which breaks down to an hourly rate of $23.

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

  • Top Earners (90th percentile): $55,333
  • Majority Range (25th-75th percentile): $42,200 to $51,600
  • Entry-Level (10th percentile): $37,375
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View as table View as graph 25% $42,200 10% $37,375 90% $55,333 75% $51,600 $47,500 50%(Median) Didn’t find job title? Click

Inside Sales Development Assistant II Salaries by Percentile

Annual
Salary		 Monthly
Pay		 Weekly
Pay		 Hourly
Wage
75th Percentile $51,600 $4,300 $992 $25
Average $47,500 $3,958 $913 $23
25th Percentile $42,200 $3,517 $812 $20
Check out Inside Sales Development Assistant II Job Openings in Illinois
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Elite C@ll - Hail 911 - Algonquin, IL

Business Development Associate Inside Sales

Big I Illinois - Skokie, IL

R-529775 Sales Development Program -(Inside Sales)

BD - Vernon Hills, IL

Sales Development Representative II Local Independent Grocery

Instacart - Chicago, IL

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Key Factors That Influence Inside Sales Development Assistant II Salaries

An Inside Sales Development 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, and company size can directly affect your earning potential.

How Experience Level Affects Inside Sales Development Assistant Salaries?

Experience is a primary driver of an Inside Sales Development 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:

  • Inside Sales Development Assistant I (0-1 years): $41,930
  • Inside Sales Development Assistant II (1-3 years): $47,473
  • Inside Sales Development Assistant III (3-5 years): $54,800
  • Inside Telephone Sales Supervisor (5+ years): $73,045
  • Inside Sales Development Senior Supervisor (5+ years): $89,653
Job Role Years of Experience Average Salary
Inside Sales Development Assistant I0-1 years$41,930
Inside Sales Development Assistant II1-3 years$47,473
Inside Sales Development Assistant III3-5 years$54,800
Inside Telephone Sales Supervisor5+ years$73,045
Inside Sales Development Senior Supervisor5+ years$89,653
$41,930 Inside Sa...
$47,473 Inside Sa...
$54,800 Inside Sa...
$73,045 Inside Te...
$89,653 Inside Sa...
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What Am I Worth?

Top Paying Cities for Inside Sales Development Assistant IIs

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: $43,800
  • Saint Peter: $43,800
  • Salem: $43,900

Inside Sales Development Assistant II Salary by Company Size: Startups vs. Enterprise

Inside Sales Development Assistant II salary potential scales significantly with company size. Data shows that Enterprise companies (5,000+ employees) pay the highest average salary at around $53,174. While startup companies pay approximate $44,984.

Inside Sales Development Assistant II Salary by Company Size

Company Size Employees Average Salary
Startup1~50$44,984
Growth Stage51~500$47,575
Established501~5000$51,348
Enterprise5000+$53,174

Inside Sales Development Assistant II Salary by Industry: Top Paying Sectors

For Inside Sales Development Assistant II 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 Aerospace & Defense and Business Services sectors offer the strongest compensation, at 20% above the average. In contrast, Inside Sales Development Assistant positions in Biotechnology or Transportation typically offer lower base pay, as these industries often view Inside Sales Development Assistant II as a support function rather than a direct revenue driver.

The top paying industry for an Inside Sales Development Assistant II

Industry Sector Average Annual Salary Average Hourly Rate Pay vs.Avg
Aerospace & Defense$57,000$27.020%

Inside Sales Development Assistant II Salary: Hourly Rate, Weekly Pay, and Monthly Pay

Understanding how an Inside Sales Development 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 August 01, 2026
$42,200
Average $47,500/year
$51,600
$3,517
Average $3,958/month
$4,300
$812
Average $913/week
$992
$20
Average $23/hour
$25
Annual Salary Monthly Pay Weekly Pay Hourly Wage
75th Percentile $51,600 $4,300 $992 $25
Average $47,500 $3,958 $913 $23
25th Percentile $42,200 $3,517 $812 $20

Inside Sales Development Assistant II Salary Growth & Career Path

Inside Sales Development Assistant II
E- Commerce Strategic Sales Manager
Inside Sales Development Assistant III
Inside Telephone Sales Supervisor

Promotions are the fastest way to increase your earnings. As an Inside Sales Development Assistant II, you have the following paths for advancement. The table below compares the salary raises for common next-step roles. By comparing these figures, you can choose the career path that best meets your financial goals.

Inside Sales Development Assistant II Salary Growth and Career Path
Next Step Role Estimate Salary Projected Raise
E- Commerce Strategic Sales Manager $91,700 93%
Inside Sales Development Assistant III $54,800 15%

Salaries of jobs related to Inside Sales Development Assistant II

Find Your Next Inside Sales Development Assistant II Job

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

United States

  • AIV LP

    Itasca, IL

    Inside Sales Assistant

    AIV LP | Itasca, IL

    Job Description. Job Description. The Inside Sales Assistant handles all order entry, and a variety of clerical tasks to provide support to our Inside Sale... more

    6 Days Ago

  • Select Surfaces

    Franklin Park, IL

    Showroom Assistant Inside Sales

    Select Surfaces | Franklin Park, IL

    Job Description. Job Description. The Otten brothers come from a family of 13 siblings.  Kitchen and Bath have been a family affair for decades as the Otte... more

    6 Days Ago

  • The Partner Companies

    Chicago, IL

    Inside Sales Assistant

    The Partner Companies | Chicago, IL

    Inside Sales Assistant. The Inside Sales Assistant supports the sales and operations teams by ensuring accurate order processing, maintaining customer and ... more

    8 Days Ago

  • SHINETOO LIGHTING USA LLC

    60089, IL

    Inside Sales& VP Sales Assistant

    SHINETOO LIGHTING USA LLC | 60089, IL

    Job Description. Job Description. Job Title. Inside Sales & VP Sales Assistant. Company. Shinetoo Lighting USA LLC. Location. 708 Armstrong Dr., Buffalo Gr... more

    9 Days Ago

  • Staples

    Lincolnshire, IL

    Business Development Representative Quill

    Staples | Lincolnshire, IL

    Business Development Representative. As a Business Development Representative at Quill, a valued Staples company, you'll play a key role in driving new cus... more

    9 Days Ago

  • Pioneer Service

    La Grange, IL

    Inside Business Development Representative

    Pioneer Service | La Grange, IL

    Job Description. Job Description. Who we are:Pioneer Service, established in 1990, is an ITAR-registered precision contract manufacturer specializing in Sw... more

    6 Days Ago

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