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OPM FedScope March 2025 Medical, Hospital, Dental, and Public Health Group

Dietitian and Nutritionist

Drawn directly from OPM FedScope (March 2025), this page tracks headcount, average salary, tenure, and pay comparison for the Dietitian and Nutritionist occupation series (code 630).

The verdict

Dietitian and Nutritionist is a smaller, specialized federal occupation: 3,448 employees (0.2% of the federal civilian workforce) in the Medical, Hospital, Dental, and Public Health Group family. At an average salary of $98,825 it pays below the federal average of $109,869, and headcount declined 0.7% from the prior period.

Employees
3,448
Share of workforce
0.2%
Avg salary
$98,825
Avg tenure
9.1 yrs

What the Numbers Say About Dietitian and Nutritionist

As of the March 2025 reporting window, 3,448 people work in the Dietitian and Nutritionist occupation (OPM code 630) across federal agencies, 0.2% of the 2,289,472-strong federal civilian workforce. Headcount moved down by -0.7% from the prior period, a modest but trackable signal for anyone considering this specialized federal career path.

Dietitian and Nutritionist pays $98,825 per year on average, 10.1% below the $109,869 federal civilian average, after moving up 2.8% from the prior period (a broad shift as locality pay tables and grade-level adjustments moved through the workforce). Employees in this role stay an average of 9.1 years, a mid-length average tenure, reflecting a mix of career employees and those who transfer or exit mid-career.

Dietitian and Nutritionist sits inside the Medical, Hospital, Dental, and Public Health Group family (code 6), which contains 45 related occupations across the federal government. Candidates browsing USAJOBS for Dietitian and Nutritionist postings should also review these sibling occupations, since federal hiring managers often cross-post positions across closely related codes when recruitment is difficult. All figures here come directly from OPM FedScope Employment Cubes, the same official source referenced in federal workforce planning, budget justifications, and GAO reports.

Dietitian and Nutritionist makes up 1.0% of the 356,984 employees across the Medical, Hospital, Dental, and Public Health Group family, ranking #20 of 45 occupations in that family by headcount. Its average salary ranks in the top half (56th percentile) of pay among Medical, Hospital, Dental, and Public Health Group occupations.

Employees

3,448

-0.7% from prior period

Average Salary

$98,825

+2.8%

Avg Length of Service

9.1 yrs

Occupation Family

Medical, Hospital, Dental, and Public Health Group

Salary Context

How Dietitian and Nutritionist pay compares to the federal average of $109,869

Occupation Average

$98,825

Federal Average

$109,869

vs. Federal Avg

-10.1%

Where Dietitian and Nutritionist ranks on federal pay

Its average salary of $98,825 is higher than 61% of federal occupation series (389 of 634). The highlighted bar marks where Dietitian and Nutritionist sits in the federal pay distribution.

$16,074132$63,787308$111,499167$159,21223$206,9242$254,6372
Distribution of average salary across all 634 federal occupation series (OPM FedScope) - Dietitian and Nutritionist is in the highlighted range.

Average-salary distribution across all 634 federal occupation series; Dietitian and Nutritionist ranks higher than 61%.

Source: OPM FedScope Employment Cubes As of March 2025

10 other occupations in the same family

Occupation Employees Avg Salary
Nurse 109,716 $128,375
Medical Support Assistance 40,723 $56,126
Medical Officer 37,766 $290,548
General Health Science 20,339 $131,100
Practical Nurse 17,743 $73,105
Pharmacist 14,934 $163,569
Nursing Assistant 14,923 $54,440
Health Aid and Technician 13,353 $59,584
Health System Specialist 8,572 $104,039
Pharmacy Technician 7,749 $66,635

Frequently Asked Questions

How many federal employees work as Dietitian and Nutritionist?
Dietitian and Nutritionist employs 3,448 federal workers as of March 2025, a 0.2% share of the total federal civilian workforce.
What is the average salary for Dietitian and Nutritionist in the federal government?
Federal employees in the Dietitian and Nutritionist occupation earn an average of $98,825 per year, 10.1% below the $109,869 federal-wide average.
What occupation family does Dietitian and Nutritionist belong to?
Occupation code 630, Dietitian and Nutritionist, sits within the 45-occupation Medical, Hospital, Dental, and Public Health Group family (code 6).
What is the average length of service for Dietitian and Nutritionist?
Average tenure in the Dietitian and Nutritionist occupation runs 9.1 years, versus 11.8 years federal-wide.
Is the Dietitian and Nutritionist workforce growing or shrinking?
The Dietitian and Nutritionist workforce has decreased by 0.7% from the prior period, losing approximately 24 positions.
How does Dietitian and Nutritionist pay compare to private sector salaries?
Dietitian and Nutritionist pays $98,825 on average in the federal government, 10.1% below the $109,869 federal-wide average. The BLS Occupational Employment and Wage Statistics (OEWS) program tracks the private-sector equivalent for comparison.

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.

Data sourced from official public datasets. See our methodology for details. Retrieved and formatted by PlainGovJobs

PlainGovJobs is rendered directly from OPM FedScope federal-workforce data, no number is typed in by an editor. This page draws directly on OPM FedScope occupation-level employment records. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.