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Inside Sales Development Assistant I Salary in the United States

How much does an Inside Sales Development Assistant I make in the United States?

As of August 01, 2026, the average salary for an Inside Sales Development Assistant I in the United States is $41,200 per year, which breaks down to an hourly rate of $20.

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

  • Top Earners (90th percentile): $48,651
  • Majority Range (25th-75th percentile): $37,400 to $45,100
  • Entry-Level (10th percentile): $33,940
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View as table View as graph 25% $37,400 10% $33,940 90% $48,651 75% $45,100 $41,200 50%(Median) Didn’t find job title? Click

Inside Sales Development Assistant I Salaries by Percentile

Annual
Salary
Monthly
Pay
Weekly
Pay
Hourly
Wage
75th Percentile $45,100 $3,758 $867 $22
Average $41,200 $3,433 $792 $20
25th Percentile $37,400 $3,117 $719 $18
Check out Inside Sales Development Assistant I Job Openings in the United States
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Key Factors That Influence Inside Sales Development Assistant I Salaries

An Inside Sales Development Assistant I'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 I'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): $41,136
  • Inside Sales Development Assistant II (1-3 years): $46,574
  • Inside Sales Development Assistant III (3-5 years): $53,762
  • Inside Telephone Sales Supervisor (5+ years): $71,662
  • Inside Sales Development Senior Supervisor (5+ years): $87,955
Job Role Years of Experience Average Salary
Inside Sales Development Assistant I0-1 years$41,136
Inside Sales Development Assistant II1-3 years$46,574
Inside Sales Development Assistant III3-5 years$53,762
Inside Telephone Sales Supervisor5+ years$71,662
Inside Sales Development Senior Supervisor5+ years$87,955
$41,136 Inside Sa...
$46,574 Inside Sa...
$53,762 Inside Sa...
$71,662 Inside Te...
$87,955 Inside Sa...
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What Am I Worth?

Top Paying Cities for Inside Sales Development Assistant Is

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: $51,900
  • San Francisco: $51,400
  • Oakland: $50,300

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

Inside Sales Development Assistant I salary potential scales significantly with company size. Data shows that Enterprise companies (5,000+ employees) pay the highest average salary at around $46,121. While startup companies pay approximate $39,017.

Inside Sales Development Assistant I Salary by Company Size

Company Size Employees Average Salary
Startup1~50$39,017
Growth Stage51~500$41,265
Established501~5000$44,538
Enterprise5000+$46,121

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

For Inside Sales Development Assistant I roles, the industry you choose can affect earning potential by as much as 38% (the gap between the highest and lowest paying industries). Data shows that the Transportation and Telecom sectors offer the strongest compensation, at 19% above the average. In contrast, Inside Sales Development Assistant positions in Aerospace & Defense or Biotechnology typically offer lower base pay, as these industries often view Inside Sales Development Assistant I as a support function rather than a direct revenue driver.

The top paying industries for an Inside Sales Development Assistant I

Industry Sector Average Annual Salary Average Hourly Rate Pay vs.Avg
Transportation$49,028$24.019%
Telecom$48,204$23.017%
Software & Networking$47,380$23.015%
Retail & Wholesale$46,556$22.013%
Pharmaceuticals$45,732$22.011%

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

Understanding how an Inside Sales Development Assistant I'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 August 01, 2026

Inside Sales Development Assistant I Salary Growth & Career Path

Promotions are the fastest way to increase your earnings. As an Inside Sales Development Assistant I, 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 I Salary Growth and Career Path
Next Step Role Estimate Salary Projected Raise
E- Commerce Strategic Sales Manager $89,900 118%
Inside Sales Development Assistant II $46,600 13%

Salary Trends for Inside Sales Development Assistant I

Salaries for an Inside Sales Development Assistant I can change over time, reflecting shifts in market demand and the overall economy. The median salary decreased from $44,144 in 2023 to around $43,327 in 2025, reflecting changes in demand, location, experience, and the wider economy. For a detailed analysis of Inside Sales Development Assistant I salary trends, .

Average Annual Salary of Inside Sales Development Assistant I Over Time

2022
$???
2023
$44,144
2024
$43,812
2025
$43,327
2026
$???
2027
$???
Year Average Annual Salary
2022
View More
2023 $44,144
2024 $43,812
2025 $43,327
2026
View More
2027
View More

Most common benefits for Inside Sales Development Assistant I

Social Security
401(k)
Disability
Healthcare
Pension
Time Off (days)
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Common company salaries for Inside Sales Development Assistant I

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

Find Your Next Inside Sales Development Assistant I Job

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

United States
  • iVueit

    Columbus, OH

    iVueit | Columbus, OH

    Job Description. Job Description. Sales Development Representative (SDR). Location: Columbus, OH. Base Salary: $54,000 – $75,000 + Performance Bonus. About... more

    7 Days Ago

  • Wing Assistant

    Columbus, OH

    Wing Assistant | Columbus, OH

    Sales Development Representative (Remote). Wing is on the exciting mission of redefining the future of work for companies worldwide. We are looking to be t... more

    7 Days Ago

  • FedEx

    Columbus, OH

    FedEx | Columbus, OH

    Sales Development Representative. As a member of a sales team, the Sales Development Representative is responsible for prospecting net new business, within... more

    7 Days Ago

  • Protopack LLC

    Columbus, OH

    Protopack LLC | Columbus, OH

    Job Description. Job Description. Benefits. 401(k). 401(k) matching. Paid time off. We are seeking a motivated, personable and dynamic individual for the r... more

    9 Days Ago

  • IBG Partners

    Columbus, OH

    IBG Partners | Columbus, OH

    Job Description. Job Description. Why Work Here. “Make an impact on the community and be in charge of your schedule. all while making a great income. ”. Ou... more

    10 Days Ago

  • OPOC.us

    Columbus, OH

    OPOC.us | Columbus, OH

    Job Description. Job Description. Sales Development Representative Remote Team Leader. . Hybrid Location. Must be located in Columbus, Ohio or surround are... more

    7 Days Ago

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FAQ about Inside Sales Development Assistant I

1. What industry pays the highest salary for Inside Sales Development Assistant I?

The Transportation industry offers the highest average compensation for Inside Sales Development Assistant I roles, with salaries approximately 19% above the market median.

2. How much does a Level 1 IT support earn in USA?

The estimated total pay for a Level 1 IT Support role in the USA ranges from $40,600 to $54,300 per year, with an average salary of $47,300. These figures reflect the minimum, midpoint, and maximum salaries based on current data for similar positions.

3. What is level 1 IT support?

Level 1 IT support, or tier 1 help desk, is the initial point of contact for users seeking assistance. It focuses on quickly resolving issues to enhance user experience and minimize costs. Salaries for roles like Inside Sales Development Assistant in this field range from $40,600 to $54,300, with a midpoint of $47,300, reflecting the importance of efficient support.

4. Is being an assistant a good job?

Being an assistant can be a rewarding job with multiple career advancement opportunities. Successful personal assistants can move up to higher-level positions, potentially earning between $40,600 and $54,300 annually. If you enjoy the role, it can lead to exciting prospects in larger companies or with top-level executives.

5. How much do graduate assistants make in the US?

The estimated total pay for an Inside Sales Development Assistant ranges from $40,600 to $54,300 per year, with a mid-salary of $47,300. These figures reflect the salary range based on collected data, providing a clear picture of potential earnings in this role.

6. Is inside sales stressful?

Inside sales can be stressful due to the demands of the role, often requiring long hours that may lead to burnout. The salary for an Inside Sales Development Assistant ranges from $40,600 to $54,300, with a midpoint of $47,300, reflecting the competitive nature of the field and the pressure to meet sales targets.

7. How much does an assistant earn USA?

As of January 2025, the salary for an Inside Sales Development Assistant in the USA ranges from $40,600 to $54,300 annually, with a median salary of $47,300. This reflects a competitive compensation structure within the industry, offering a solid earning potential for this role.

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.)

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