Zoology

What the Numbers Say About Zoology

As of the March 2025 reporting window, 41 people work in the Zoology occupation (OPM code 410) across federal agencies, 0.0% of the 2,289,472-strong federal civilian workforce. Headcount moved down by -6.8% from 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.

The average salary for Zoology is $155,897 per year, placing it 41.9% above the overall federal civilian average of $109,869. Salaries moved up by 1.2% from the prior period, a modest shift, consistent with routine locality pay and grade-level movement. Average length of service in this role is 19.8 years, a long average tenure, typical of career federal roles where employees stay through much of a full career before retirement.

Code 4, the Biological Sciences Group family, is where the federal government classifies Zoology alongside 30 related occupations. Candidates browsing USAJOBS for Zoology 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, Zoology ranks #31 of 31 by headcount, accounting for 0.1% of the family's combined 69,668 employees.