What are the main factors that influence an Office Assistant III's salary?

The primary factors are: 1) Experience Level, 2) Geographic Location, 3) Education/Skills, 4) Company Size & Industry

How does experience change An Office Assistant 's salary?

An Office Assistant 's salary grows with experience: an Administrative Services - Clerical - Entry (0-1 years)earns $38,620, an Administrative Services - Clerical - Intermediate (1-3 years)earns $42,910, an Office Assistant III (3-5 years)earns $47,448, a Clerical Support Supervisor (5+ years)earns $66,952,

What are the highest paying states for an Office Assistant III?

Office Assistant III salary varies significantly by state. The top 3 highest paying states for Office Assistant III roles are District of Columbia $51,893, California $51,693, Massachusetts $51,013. These tech hubs typically pay 10-15% above the national average.

How much do different types of Office Assistant roles make?

Salaries for Office Assistant level roles vary by specialization: Office Automation Analyst III: $108,221; Program Management Office Analyst III: $100,871; Office Operations Professional III: $77,300; Office Services Professional III: $77,291; Administrative Assistant III: $63,095.

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Office Assistant III Salary in Delaware

How much does an Office Assistant III make in Delaware?

As of July 01, 2026, the average salary for an Office Assistant III in Delaware is $47,463 per year, which breaks down to an hourly rate of $23.

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

Top Earners (90th percentile): $61,123
Majority Range (25th-75th percentile): $44,013 to $54,613
Entry-Level (10th percentile): $40,872

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Office Assistant III Salaries by Percentile

	Annual Salary	Monthly Pay	Weekly Pay	Hourly Wage
75th Percentile	$54,613	$4,551	$1,050	$26
Average	$47,463	$3,955	$913	$23
25th Percentile	$44,013	$3,668	$846	$21

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Key Factors That Influence Office Assistant III Salaries

An Office Assistant 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, and company size can directly affect your earning potential.

How Experience Level Affects Office Assistant Salaries?

Experience is a primary driver of an Office Assistant 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:

Administrative Services - Clerical - Entry (0-1 years): $38,620
Administrative Services - Clerical - Intermediate (1-3 years): $42,910
Office Assistant III (3-5 years): $47,448
Clerical Support Supervisor (5+ years): $66,952

Job Role	Years of Experience	Average Salary
Administrative Services - Clerical - Entry	0-1 years	$38,620
Administrative Services - Clerical - Intermediate	1-3 years	$42,910
Office Assistant III	3-5 years	$47,448
Clerical Support Supervisor	5+ years	$66,952

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What Am I Worth?

How Do Office Assistant 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 Office Assistant IIIs. For example, consider the average annual salaries in these key locations:

District of Columbia: $51,893.
California: $51,693.
Massachusetts: $51,013.

District of Columbia $51,893 California $51,693 Massachusetts $51,013 Washington $50,823 New Jersey $50,803 Alaska $50,733 Connecticut $50,093 New York $49,823

Hawaii $48,993 Rhode Island $48,593 Maryland $48,333 Minnesota $47,963 Colorado $47,823 Illinois $47,773 Oregon $47,593 Delaware $47,463

New Hampshire $47,383 Virginia $47,203 Pennsylvania $46,663 Nevada $46,393 North Dakota $46,303 Michigan $46,163 Wisconsin $46,103 Vermont $46,003

Texas $45,723 Maine $45,703 Arizona $45,673 Ohio $45,643 Georgia $45,203 Indiana $44,993 Wyoming $44,953 Utah $44,883

Iowa $44,853 Kansas $44,633 Louisiana $44,563 North Carolina $44,543 Missouri $44,533 Florida $44,353 Montana $44,253 Nebraska $44,163

Kentucky $44,103 South Carolina $43,923 Tennessee $43,803 Idaho $43,753 New Mexico $43,413 Oklahoma $43,343 Alabama $43,063 South Dakota $42,603

Arkansas $42,343 West Virginia $42,213 Mississippi $41,803

Top Paying Cities for Office Assistant 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:

Lincoln: $47,253
Little Creek: $47,603
Magnolia: $47,533

Lincoln, DE $47,253 Little Creek, DE $47,603 Magnolia, DE $47,533 Milford, DE $47,373 Marydel, DE $47,453 Millsboro, DE $47,053 Millville, DE $47,123 Milton, DE $47,213

Nassau, DE $47,243 Ocean View, DE $47,123 Rehoboth Beach, DE $47,213 Seaford, DE $47,233 Selbyville, DE $47,043 Smyrna, DE $47,633 Viola, DE $47,413 Woodside, DE $47,543

Bear, DE $47,433 Newark, DE $47,413 Claymont, DE $47,513 Delaware City, DE $47,463 Hockessin, DE $47,403 Kirkwood, DE $47,453 Middletown, DE $47,473 Montchanin, DE $47,423

New Castle, DE $47,423 Odessa, DE $47,493 Port Penn, DE $47,523 Rockland, DE $47,423 Saint Georges, DE $47,453 Townsend, DE $47,523 Winterthur, DE $47,433 Lewes, DE $47,223

Wilmington, DE $47,413 Dover, DE $47,603 Dover Afb, DE $47,343 Bethany Beach, DE $47,073 Bethel, DE $47,113 Bridgeville, DE $47,233 Camden Wyoming, DE $47,463 Cheswold, DE $47,583

Clayton, DE $47,583 Dagsboro, DE $47,033 Delmar, DE $46,963 Ellendale, DE $47,103 Felton, DE $47,373 Fenwick Island, DE $47,043 Frankford, DE $46,963 Frederica, DE $47,413

Georgetown, DE $47,023 Greenwood, DE $47,233 Harbeson, DE $47,073 Harrington, DE $47,313 Hartly, DE $47,453 Houston, DE $47,243 Kenton, DE $47,583 Laurel, DE $46,993

Yorklyn, DE $47,423

Office Assistant III Salary by Company Size: Startups vs. Enterprise

Office Assistant III salary potential scales significantly with company size. Data shows that Enterprise companies (5,000+ employees) pay the highest average salary at around $53,087. While startup companies pay approximate $44,896.

Office Assistant III Salary by Company Size

Company Size	Employees	Average Salary
Startup	1~50	$44,896
Growth Stage	51~500	$47,484
Established	501~5000	$51,266
Enterprise	5000+	$53,087

Office Assistant III Salary by Industry: Top Paying Sectors

For Office Assistant III roles, the industry you choose can affect earning potential by as much as 75% (the gap between the highest and lowest paying industries). Data shows that the Biotechnology and Software & Networking sectors offer the strongest compensation, at 25% above the average. In contrast, Office Assistant positions in Transportation or Edu., Gov't. & Nonprofit typically offer lower base pay, as these industries often view Office Assistant III as a support function rather than a direct revenue driver.

The top paying industries for an Office Assistant III

Industry Sector	Average Annual Salary	Average Hourly Rate	Pay vs.Avg
Biotechnology	$59,329	$29.0	25%
Software & Networking	$59,329	$29.0	25%
Energy & Utilities	$56,956	$27.0	20%
Financial Services	$56,956	$27.0	20%
Pharmaceuticals	$56,956	$27.0	20%

Office Assistant III Salary: Hourly Rate, Weekly Pay, and Monthly Pay

Understanding how an Office Assistant 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 July 01, 2026

$44,013

Average $47,463/year

$54,613

$3,668

Average $3,955/month

$4,551

$846

Average $913/week

$1,050

$21

Average $23/hour

$26

	Annual Salary	Monthly Pay	Weekly Pay	Hourly Wage
75th Percentile	$54,613	$4,551	$1,050	$26
Average	$47,463	$3,955	$913	$23
25th Percentile	$44,013	$3,668	$846	$21

Office Assistant III Salary Growth & Career Path

Office Assistant III

Clerical Support Supervisor

For an Office Assistant III, the most direct path to higher earnings is advancing to the Clerical Support Supervisor role. This promotion typically comes with a significant pay increase, bringing the average annual salary to $67,000 - a projected growth of 41% over your current level.

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