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DEPARTMENT OF DEFENSE

Open-data reference.

Federal workforce data for DEPARTMENT OF DEFENSE. This agency represents 6.9% of the total federal civilian workforce. Source: OPM FedScope, March 2025.

What the Numbers Say About DEPARTMENT OF DEFENSE

DEPARTMENT OF DEFENSE employs 158,689 federal civilian workers, which accounts for 6.9% of the total federal civilian workforce of 2,289,472 reported in the OPM FedScope March 2025 release. Compared to the prior period, headcount moved down by -0.1%, a signal that hiring authorities and attrition at this agency are shedding net positions during the current reporting window.

On compensation, the average salary of $100,589 sits 8.4% below the federal civilian average of $109,869. Average length of service at DEPARTMENT OF DEFENSE is 11.5 years, reflecting a workforce that has built institutional knowledge across 33 sub-agencies. For applicants comparing federal employers, this pay premium (or gap) combined with tenure patterns helps explain why some agencies retain staff through full careers while others cycle more rapidly through early-career hires.

Geographic reach is another signal of scale: DEPARTMENT OF DEFENSE has employees in 51 states and territories, with the largest concentration in VIRGINIA (30,006 employees at $125,523 avg salary). Over the most recent 12 months of workforce-dynamics data, the agency recorded 0 accessions against 0 separations for a net change of 0 positions — useful context for job seekers evaluating whether DEPARTMENT OF DEFENSE is expanding, contracting, or simply replacing departures. All figures draw directly from OPM FedScope Employment Cubes and update quarterly.

Workforce Overview

Employees

158,689

-0.1% from prior period

Average Salary

$100,589

+1.8%

Avg Length of Service

11.5 yrs

Sub-agencies

33

Records analyzed

33 sub-agencies

Cross-joined with state geography and occupational mix

Data vintage

March 2025

OPM FedScope quarterly snapshot

Source authority

OPM FedScope

U.S. Office of Personnel Management — official federal HR data

DEPARTMENT OF DEFENSE pay vs. federal civilian average

Agency average $100,589 relative to federal average $109,869

DEPARTMENT OF DEFENSE workforce by GS grade tier

Estimated distribution of 158,689 employees across the General Schedule pay grades. Tier weights are modeled from the agency's average salary of $100,589, average length of service of 11.5 years, and sub-agency salary brackets. Color encodes pay-band tier (entry / mid / senior / executive).

DEPARTMENT OF DEFENSE — estimated GS-grade workforce mix. Source: OPM FedScope March 2025; pay tiers modeled from agency averages.

GS-36348 employeesGS-59521 employeesGS-715869 employeesGS-920630 employeesGS-1125390 employeesGS-1231738 employeesGS-1328564 employeesGS-1414282 employeesGS-156348 employees
DEPARTMENT OF DEFENSE — estimated GS-grade workforce mix. Source: OPM FedScope March 2025; pay tiers modeled from agency averages.

Salary Analysis

How DEPARTMENT OF DEFENSE pay compares to the federal average of $109,869

Agency Average

$100,589

Federal Average

$109,869

vs. Federal Avg

-8.4%

Salary Range by Sub-agency

Under $80K

25,990

$80K–$100K

82,236

$100K–$120K

20,146

$120K–$150K

21,403

Over $150K

8,914

Sub-agencies & Organizational Units

DEPARTMENT OF DEFENSE has 33 sub-agencies. The highest-paying unit averages $215,633.

Sub-agency Employees Avg Salary
MILITARY TREATMENT FACILITIES UNDER DHA 44,777 $93,205
DEFENSE LOGISTICS AGENCY 23,896 $95,734
DEPARTMENT OF DEFENSE EDUCATION ACTIVITY 14,752 $75,250
DEFENSE COMMISSARY AGENCY 11,238 $56,062
DEFENSE FINANCE AND ACCOUNTING SERVICE 10,735 $82,863
DEFENSE CONTRACT MANAGEMENT AGENCY 9,665 $114,320
DEFENSE INFORMATION SYSTEMS AGENCY 6,823 $129,364
DEFENSE HEALTH AGENCY 6,118 $132,507
DEFENSE COUNTERINTELLIGENCE AND SECURITY AGENCY 5,644 $118,162
DEFENSE CONTRACT AUDIT AGENCY 3,768 $110,640
MISSILE DEFENSE AGENCY 2,903 $152,294
DEFENSE HUMAN RESOURCES ACTIVITY 2,828 $93,136
OFFICE OF THE SECRETARY OF DEFENSE 2,689 $165,575
OFFICE OF THE INSPECTOR GENERAL 1,832 $140,763
WASHINGTON HEADQUARTERS SERVICES 1,653 $120,053
DEFENSE THREAT REDUCTION AGENCY 1,344 $149,598
NATIONAL RECONNAISSANCE OFFICE 1,163 $161,244
DEFENSE SECURITY COOPERATION AGENCY 1,128 $140,318
PENTAGON FORCE PROTECTION AGENCY 1,069 $119,209
ORGANIZATION OF THE JOINT CHIEFS OF STAFF 831 $149,700
UNIFORMED SERVICES UNIVERSITY OF THE HEALTH SCIENCES 773 $151,029
DEFENSE ACQUISITION UNIVERSITY 657 $168,480
DEFENSE MEDIA ACTIVITY 472 $123,722
NATIONAL DEFENSE UNIVERSITY 431 $133,938
DEFENSE POW/MIA ACCOUNTING AGENCY 318 $127,449
DEFENSE LEGAL SERVICES AGENCY 272 $170,896
DEFENSE ADVANCED RESEARCH PROJECTS AGENCY 253 $215,633
DEFENSE MICROELECTRONICS ACTIVITY 211 $135,643
DEFENSE TECHNICAL INFORMATION CENTER 191 $140,516
DEFENSE TECHNOLOGY SECURITY ADMINISTRATION 125 $178,202
OFFICE OF ECONOMIC ADJUSTMENT 56 $166,193
U.S. COURT OF APPEALS FOR THE ARMED FORCES 51 $143,847
DEPARTMENT OF DEFENSE TEST RESOURCE MANAGEMENT CENTER 23 $188,283

Geographic Presence

DEPARTMENT OF DEFENSE has employees in 51 states and territories. VIRGINIA has the most with 30,006 employees.

State Employees Avg Salary
VIRGINIA 30,006 $125,523
TEXAS 12,891 $95,450
MARYLAND 11,284 $126,489
OHIO 9,712 $90,045
CALIFORNIA 8,604 $105,848
PENNSYLVANIA 8,236 $104,435
GEORGIA 6,426 $81,384
NORTH CAROLINA 6,231 $82,788
ALABAMA 4,405 $118,014
WASHINGTON 4,344 $98,165
INDIANA 4,131 $91,011
FLORIDA 3,950 $88,717
HAWAII 3,244 $101,846
COLORADO 2,945 $105,357
NEW YORK 2,702 $80,088
OKLAHOMA 2,598 $79,206
KENTUCKY 1,733 $79,855
SOUTH CAROLINA 1,615 $81,146
MICHIGAN 1,484 $102,051
ARIZONA 1,440 $92,443

Showing top 20 of 51 states

Workforce Dynamics

Monthly hiring and separation trends. Net change over 12 months: 0.

Month Accessions Separations Net
Mar 2025 +98 -1,082 -984
Feb 2025 +1,489 -816 +673
Jan 2025 +1,408 -1,141 +267
Dec 2024 +1,368 -1,594 -226
Nov 2024 +1,450 -1,051 +399
Oct 2024 +1,801 -1,054 +747
Sep 2024 +1,705 -1,221 +484
Aug 2024 +2,043 -1,234 +809
Jul 2024 +2,074 -1,553 +521
Jun 2024 +1,865 -2,214 -349
May 2024 +2,898 -1,324 +1,574
Apr 2024 +1,585 -1,107 +478

Hiring & Separation Reasons

Why employees join and leave DEPARTMENT OF DEFENSE

Accession Reasons

New Hire - Competitive Service Appointment

11,717

New Hire - Excepted Service Appointment

6,001

Transfer In - Individual Transfer

2,043

New Hire - Senior Executive Service (SES) Appt

23

Separation Reasons

Quit

7,021

Retirement - Voluntary

4,007

Transfer Out - Individual Transfer

2,856

Termination (Expired Appt/Other)

923

Other Separation

537

Employee Tenure Distribution

Average length of service is 11.5 years. Employees in sub-agencies grouped by average tenure.

Under 5 yrs

0

5–10 yrs

18,996

10–15 yrs

129,223

15–20 yrs

10,447

Over 20 yrs

23

Frequently Asked Questions

How many people work at DEPARTMENT OF DEFENSE?
DEPARTMENT OF DEFENSE employs 158,689 federal workers as of March 2025. This represents 6.9% of the total federal civilian workforce of 2,289,472.
What is the average salary at DEPARTMENT OF DEFENSE?
The average salary at DEPARTMENT OF DEFENSE is $100,589 per year, which is 8.4% below the federal average of $109,869.
What is the average length of service at DEPARTMENT OF DEFENSE?
The average length of service at DEPARTMENT OF DEFENSE is 11.5 years. The federal average is 11.8 years.
How many sub-agencies does DEPARTMENT OF DEFENSE have?
DEPARTMENT OF DEFENSE has 33 sub-agencies or organizational units. The largest is MILITARY TREATMENT FACILITIES UNDER DHA with 44,777 employees.
In how many states does DEPARTMENT OF DEFENSE have employees?
DEPARTMENT OF DEFENSE has employees in 51 states and territories. The largest concentration is in VIRGINIA with 30,006 employees.
Is DEPARTMENT OF DEFENSE hiring or downsizing?
Over the most recent 12 months of data, DEPARTMENT OF DEFENSE had 0 accessions and 0 separations, for a net change of 0 employees.
Where can I find salary data for occupations at DEPARTMENT OF DEFENSE?
While PlainGovJobs provides agency-level salary data, you can explore detailed salary data by occupation on WageDex at wagedex.com, which covers 831 occupations with Bureau of Labor Statistics data.

Data Source: U.S. Office of Personnel Management (OPM) FedScope Employment Cubes, March 2025. Federal civilian non-seasonal full-time and part-time employees. Data does not include military personnel, postal workers, or intelligence agency staff. Last updated: 2026-03-10.

Related

Data sourced from official U.S. government datasets. See our methodology for details. Retrieved and formatted by PlainGovJobs Editorial

Disclaimer: This information is provided for informational purposes only and does not constitute professional advice. Data is sourced from OPM FedScope. Consult a qualified professional before making decisions based on this data.