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Inside Sales Development Representative III Salary in the United States

How much does an Inside Sales Development Representative III make in the United States?

As of September 01, 2026, the average salary for an Inside Sales Development Representative III in the United States is $74,900 per year, which breaks down to an hourly rate of $36.

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

  • Top Earners (90th percentile): $90,375
  • Majority Range (25th-75th percentile): $64,600 to $83,000
  • Entry-Level (10th percentile): $55,222
Salary Factors Salary-Boosting Skills Salary by Experience Related Job Salaries Top Paying Cities Explore Related Jobs

Key Factors That Influence Inside Sales Development Representative III Salaries

An Inside Sales Development Representative III'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, education and company size can directly affect your earning potential.

How Experience Level Affects Inside Sales Development Representative Salaries?

Experience is a primary driver of an Inside Sales Development Representative III'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 Representative I (0-2 years): $51,626
  • Inside Sales Development Representative II (2-4 years): $64,427
  • Inside Sales Development Representative III (4-7 years): $74,871
  • Inside Sales Development Representative IV (7+ years): $99,881
  • Inside Telephone Sales Supervisor (7+ years): $71,664
Job Role Years of Experience Average Salary
Inside Sales Development Representative I0-2 years$51,626
Inside Sales Development Representative II2-4 years$64,427
Inside Sales Development Representative III4-7 years$74,871
Inside Sales Development Representative IV7+ years$99,881
Inside Telephone Sales Supervisor7+ years$71,664
View as Graph

How Do Inside Sales Development Representative III Salaries Vary from State to State?

Your salary can change significantly depending on where you work. States with a higher cost of living and strong industrial sectors often pay more to attract Inside Sales Development Representative IIIs. For example, consider the average annual salaries in these key locations:
  • District of Columbia: $82,900.
  • California: $82,600.
  • Massachusetts: $81,500.

Top Paying Cities for Inside Sales Development Representative IIIs

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:

  • San Jose: $94,500
  • San Francisco: $93,500
  • Oakland: $91,500

What Skills Can Increase an Inside Sales Development Representative III's Salary?

Demanded Skills for the Role:

  • Customer Service (Mentioned in 11.27% 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.
  • Quotations (Mentioned in 2.06% Job Postings): A quotation is the repetition of a sentence, phrase, or passage from speech or text that someone has said or written. In oral speech, it is the representation of an utterance that is introduced by a quotative marker, such as a verb of saying.
  • Sales Process (Mentioned in 1.39% Job Postings): Designing and implementing repeatable steps that a salesperson takes to move a prospect from an early-stage lead to a closed customer.
Skills Demand Percentage
Customer Service 11.27%
Quotations 2.06%
Sales Process 1.39%
See More Skills

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 Inside Sales Development Representative III's salary.

  • Resilience: Can increase your salary by up to 36%.
  • Presentation: Can increase your salary by up to 12%.
  • Diversity and Inclusion: Can increase your salary by up to 11%.
Skill Salary Salary % Increase
Resilience $101,864
36%
Presentation $83,888
12%
Diversity and Inclusion $83,139
11%
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Inside Sales Development Representative III Salary by Company Size: Startups vs. Enterprise

Inside Sales Development Representative III salary potential scales significantly with company size. Data shows that Enterprise companies (5,000+ employees) pay the highest average salary at around $83,704. While startup companies pay approximate $70,805.

Inside Sales Development Representative III Salary by Company Size

Company Size Employees Average Salary
Startup 1~50 $70,805
Growth Stage 51~500 $74,883
Established 501~5000 $80,827
Enterprise 5000+ $83,704

Inside Sales Development Representative III Salary by Industry: Top Paying Sectors

For Inside Sales Development Representative III roles, the industry you choose can affect earning potential by as much as 55% (the gap between the highest and lowest paying industries). Data shows that the Pharmaceuticals and Software & Networking sectors offer the strongest compensation, at 25% above the average. In contrast, Inside Sales Development Representative positions in Hospitality & Leisure or Edu., Gov't. & Nonprofit typically offer lower base pay, as these industries often view Inside Sales Development Representative III as a support function rather than a direct revenue driver.

The top paying industries for an Inside Sales Development Representative III

Industry Sector Average Annual Salary Average Hourly Rate Pay vs.Avg
Pharmaceuticals$93,625$45.025%
Software & Networking$93,625$45.025%
Aerospace & Defense$89,880$43.020%
Insurance$86,135$41.015%
Business Services$82,390$40.010%

How Education impacts an Inside Sales Development Representative III's Salary?

Your level of education can impact your salary potential. While many Inside Sales Development Representative IIIs enter the field with a Associate's Degree degree, higher education can lead to more specialized and higher-paying roles.

According to our 100% employer-reported salary data, the median salary for an Inside Sales Development Representative III with a Associate's Degree is between $69,658 and $76,710).

Inside Sales Development Representative III Salaries by Degree Level

Typical Education for Inside Sales Development Representative III
Degree Level % of user with this level of education
No Diploma 7.4%
High School 18.5%
Associates 13.9%
Bachelors 50.0%
Masters 10.2%
Doctorate 0.0%
View as Graph

Inside Sales Development Representative III Salary: Hourly Rate, Weekly Pay, and Monthly Pay

Understanding how an Inside Sales Development Representative III'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.

Last Updated on September 01, 2026
$64,600
Average $74,900/year
$83,000
$5,383
Average $6,242/month
$6,917
$1,242
Average $1,440/week
$1,596
$31
Average $36/hour
$40
Annual Salary Monthly Pay Weekly Pay Hourly Wage
75th Percentile $83,000 $6,917 $1,596 $40
Average $74,900 $6,242 $1,440 $36
25th Percentile $64,600 $5,383 $1,242 $31

Inside Sales Development Representative III Salary Growth & Career Path

Inside Sales Development Representative III

Next Role

Advancement

Promotions are the fastest way to increase your earnings. As an Inside Sales Development Representative III, 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.

Next Step Role Estimate Salary Projected Raise
E- Commerce Strategic Sales Manager $89,900 20%
Inside Sales Development Representative IV $99,900 33%

Most common benefits for Inside Sales Development Representative III

  • Social Security
  • 401 (k)
  • Disability
  • Healthcare
  • Pension
  • Time Off (days)

Common company salaries for Inside Sales Development Representative III

Here are companies hiring for Inside Sales Development Representative III and their salaries, click below for more details.

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FAQ about Inside Sales Development Representative III

1. What industry pays the highest salary for Inside Sales Development Representative III?

The Pharmaceuticals industry offers the highest average compensation for Inside Sales Development Representative III roles, with salaries approximately 25% above the market median.

2. What is the highest salary for inside sales?

The highest salary for an Inside Sales Development Representative is $89,800. While cities like New York, NY report salaries around $73,707, the overall salary range for this role spans from a minimum of $64,500 to a maximum of $89,800, with a midpoint of $76,900.

3. What is the highest paid sales rep salary?

The highest-paid Inside Sales Development Representatives earn a maximum salary of $89,800. The average salary for this role typically falls around $76,900, with a minimum starting salary of $64,500. This range reflects the competitive nature of sales positions in the industry.

4. Is an inside sales rep a good job?

An inside sales representative role can be a great job, offering a competitive salary range from $64,500 to $89,800. This position allows you to pursue new business opportunities over the phone and via email, providing high earning potential and access to a vast customer base. Additionally, the work-life balance in these roles is often favorable.

5. Is inside sales stressful?

Inside sales can be stressful due to the demands of the role, including long hours that may lead to burnout. However, the compensation reflects the effort, with salaries ranging from $64,500 to $89,800, with a midpoint of $76,900. Balancing workload and stress management is crucial for success in this field.

6. Is an inside sales rep a good job?

An inside sales representative role can be a great job, offering a competitive salary range from $64,500 to $89,800. This position allows you to pursue new business opportunities through phone and email, providing high earning potential and access to a vast customer base. Additionally, the work-life balance in these roles is often favorable.

7. How much do inside sales reps make in the US?

The salary for an Inside Sales Development Representative in the US ranges from $64,500 to $89,800, with a median salary of $76,900. This reflects the competitive nature of the role, highlighting the potential for significant earnings in this field.

Where Does Our Salary Data Come From?

Salary.com provides salary estimates, histograms, trends, and comparisons using data from employer job postings and third-party sources.

We offer detailed salary information across multiple percentiles for your reference. (Click here to learn Why the Salary Midpoint Formula Is Crucial for Achieving Pay Equity.)

With the most extensive online, real-time compensation data available, Salary.com helps you pinpoint your exact pay target.

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