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Inside Sales Development Assistant II Salary in South Carolina

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

As of August 01, 2026, the average salary for an Inside Sales Development Assistant II in South Carolina is $43,700 per year, which breaks down to an hourly rate of $21.

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): $50,960
  • Majority Range (25th-75th percentile): $38,800 to $47,500
  • Entry-Level (10th percentile): $34,339
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View as table View as graph 25% $38,800 10% $34,339 90% $50,960 75% $47,500 $43,700 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 $47,500 $3,958 $913 $23
Average $43,700 $3,642 $840 $21
25th Percentile $38,800 $3,233 $746 $19
Check out Inside Sales Development Assistant II Job Openings in South Carolina
Sales Business Development Specialist

ServiceMaster - Roebuck, SC

Sales Professional and Business Development

Brothers That Just Do Gutters - Charleston - Mount Pleasant, SC

Sales Development Representative

RTO National - Greenville, SC

Sales Development Representative

Omatic - Mount Pleasant, SC

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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): $38,544
  • Inside Sales Development Assistant II (1-3 years): $43,640
  • Inside Sales Development Assistant III (3-5 years): $50,375
  • Inside Telephone Sales Supervisor (5+ years): $67,147
  • Inside Sales Development Senior Supervisor (5+ years): $82,414
Job Role Years of Experience Average Salary
Inside Sales Development Assistant I0-1 years$38,544
Inside Sales Development Assistant II1-3 years$43,640
Inside Sales Development Assistant III3-5 years$50,375
Inside Telephone Sales Supervisor5+ years$67,147
Inside Sales Development Senior Supervisor5+ years$82,414
$38,544 Inside Sa...
$43,640 Inside Sa...
$50,375 Inside Sa...
$67,147 Inside Te...
$82,414 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:

  • Spartanburg: $43,500
  • Boiling Springs: $43,500
  • Arcadia: $43,500

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 $48,920. While startup companies pay approximate $41,385.

Inside Sales Development Assistant II Salary by Company Size

Company Size Employees Average Salary
Startup1~50$41,385
Growth Stage51~500$43,769
Established501~5000$47,241
Enterprise5000+$48,920

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$52,440$25.020%

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
$38,800
Average $43,700/year
$47,500
$3,233
Average $3,642/month
$3,958
$746
Average $840/week
$913
$19
Average $21/hour
$23
Annual Salary Monthly Pay Weekly Pay Hourly Wage
75th Percentile $47,500 $3,958 $913 $23
Average $43,700 $3,642 $840 $21
25th Percentile $38,800 $3,233 $746 $19

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 $84,300 93%
Inside Sales Development Assistant III $50,400 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

  • Stannp

    Charleston, SC

    Sales Development Representative

    Stannp | Charleston, SC

    About Stannp Stannp, Inc.(Stannp.com) is part of Stannp group, a direct mail platform that has delivered impressive revenue growth over the last few years,... more

    8 Days Ago

  • Camping World Holdings

    Columbia, SC

    Sales Development Manager

    Camping World Holdings | Columbia, SC

    Service Advisor Opportunity. Camping World is seeking a Service Advisor to join our growing team. As a Service Advisor you will primarily be responsible fo... more

    8 Days Ago

  • Choice Staffing

    Greenville, SC

    Business Development Manager Sales

    Choice Staffing | Greenville, SC

    Job Description. Job Description. Are you a high-performing staffing sales professional looking to leverage your industry expertise and local network. Join... more

    8 Days Ago

  • OneData Software Solutions LLC

    Fort Mill, SC

    Sales Development

    OneData Software Solutions LLC | Fort Mill, SC

    Job Description. Job Description. About the job. Sales Development Intern (Part-Time, Hybrid — Fort Mill, SC). About OneData. OneData is an AWS Advanced Ti... more

    8 Days Ago

  • Paul Davis Restoration

    Rock Hill, SC

    Sales Representative

    Paul Davis Restoration | Rock Hill, SC

    Sales Representative (Business Development). Paul Davis Restoration Rock Hill specializes in restoring residential and commercial properties affected by fi... more

    8 Days Ago

  • Blast Talent LLC

    Charleston, SC

    Sales Development Representative

    Blast Talent LLC | Charleston, SC

    Job Description. Job Description. SOFX Inc., a media-based information technology company and parent to the SOFX family of companies, is currently seeking ... more

    9 Days Ago

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