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OPM FedScope March 2025 Biological Sciences Group

Toxicology

Everything OPM FedScope (March 2025) reports about the Toxicology occupation series (code 415): headcount, average salary, length of service, and pay comparison.

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The verdict

In the Biological Sciences Group family, Toxicology counts 484 employees, a smaller, specialized federal occupation at 0.0% of the federal civilian workforce, and headcount declined 1.4% from the prior period; pay averages $144,785, which pays well above the federal-wide $109,869.

Employees
484
Share of workforce
0.0%
Avg salary
$144,785
Avg tenure
11.4 yrs

What the Numbers Say About Toxicology

Federal agencies employ 484 people in the Toxicology occupation (OPM code 415), accounting for 0.0% of the total federal civilian workforce of 2,289,472 for the March 2025 reporting window. Headcount in this occupation moved down by -1.4% versus the prior period, though at this small a headcount, year-to-year swings can reflect a handful of hires or departures rather than a broad hiring trend.

Toxicology pays $144,785 per year on average, 31.8% above the $109,869 federal civilian average, after moving up 0.4% from the prior period (a small shift, within the range of normal year-to-year rounding rather than a broad pay-table change). Employees in this role stay an average of 11.4 years, a mid-length average tenure, reflecting a mix of career employees and those who transfer or exit mid-career.

Code 4, the Biological Sciences Group family, is where the federal government classifies Toxicology alongside 30 related occupations. Candidates browsing USAJOBS for Toxicology 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.

Within the Biological Sciences Group family, Toxicology ranks #17 of 31 by headcount, accounting for 0.7% of the family's combined 69,668 employees.

Employees

484

-1.4% from prior period

Average Salary

$144,785

+0.4%

Avg Length of Service

11.4 yrs

Occupation Family

Biological Sciences Group

Salary Context

How Toxicology pay compares to the federal average of $109,869

Occupation Average

$144,785

Federal Average

$109,869

vs. Federal Avg

+31.8%

Where Toxicology ranks on federal pay

Its average salary of $144,785 is higher than 92% of federal occupation series (586 of 634). The highlighted bar marks where Toxicology 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) - Toxicology is in the highlighted range.

Average-salary distribution across all 634 federal occupation series; Toxicology ranks higher than 92%.

Source: OPM FedScope Employment Cubes As of March 2025

Related Occupations in Biological Sciences Group

10 other occupations in the same family

Occupation Employees Avg Salary
General Natural Resources Management and Biological Sciences 28,385 $115,600
Forestry Technician 11,381 $55,040
Biological Science Technician 5,597 $55,254
Soil Conservation 4,882 $84,996
Wildlife Biology 2,082 $95,599
Fish Biology 1,992 $114,066
Microbiology 1,940 $140,441
Wildland Fire Management 1,908 $69,817
Forestry 1,870 $86,729
Ecology 1,260 $118,786

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Frequently Asked Questions

How many federal employees work as Toxicology? ▾
As of March 2025, federal agencies report 484 employees in the Toxicology occupation, equal to 0.0% of the total federal civilian workforce.
What is the average salary for Toxicology in the federal government? ▾
The average salary for Toxicology in the federal government is $144,785 per year, which is 31.8% above the overall federal average of $109,869.
What occupation family does Toxicology belong to? ▾
The Biological Sciences Group family (code 4) is home to Toxicology (code 415) and 30 other occupations.
What is the average length of service for Toxicology? ▾
Average tenure in the Toxicology occupation runs 11.4 years, versus 11.8 years federal-wide.
Is the Toxicology workforce growing or shrinking? ▾
Since the prior reporting period, Toxicology has shed about 7 positions, a 1.4% decrease.
How does Toxicology pay compare to private sector salaries? ▾
Toxicology pays $144,785 on average in the federal government, 31.8% above 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.

Read our methodology - how this data is sourced, computed, and verified.

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.