Department of Interior
Agency Code: IN · 56.9K employees · December 2025
Total Employees
56.9K
Average Salary
$98,133
Top Occupations
General Natural Resources Management and Biological Sciences
3.9K employees$105,844
Park Ranger
3.3K employees$86,072
Miscellaneous Administration and Program
2.7K employees$115,991
Maintenance Mechanic
2.6K employees$68,480
Information Technology Management
1.9K employees$122,432
Wildland Fire Management
1.7K employees$79,662
Miscellaneous Clerk and Assistant
1.6K employees$56,715
Management and Program Analysis
1.5K employees$123,172
Hydrologic Technician
1.3K employees$73,991
Hydrology
1.1K employees$116,562
Top Locations
2025 Workforce Impact
Risk Score
36/100
Elevated
2025 Separations
14.7K
+18.9% vs 2024
Experience Lost
124.5K
combined years
Avg Tenure
14.4
years
Quit Rate
43.7%
of separations
Workforce Reduction
25.9%
of workforce separated
💰 Agency Budget (FY2025)
Budget Authority
$74.7B
Budget / Employee
$1.3M
Contract Spending
$6.4B
Grant Spending
$7.7B
Source: USASpending.gov FY2025. See all agencies →
Retirement Risk
23.2%
13.2K eligible
STEM Workforce
29%
16.5K STEM employees
Manager:Staff Ratio
1:4
12.6K supervisors
Age Distribution
Education Levels
Bachelor's Degree18.6K
High School Graduate or Certificate of Equivalency14K
Master's Degree10.4K
Doctorate Degree2.5K
Associate Degree2.5K
Some College - Less Than One Year1.7K
Two Years College1.3K
Post-Bachelor's1.1K
One Year College1.1K
Four Years College683
Subagencies
National Park Service
15.2K employees$81,710
Bureau of Land Management
7.9K employees$90,378
Office of the Secretary of the Interior
7.6K employees$119,808
U.S. Fish and Wildlife Service
7K employees$99,787
Geological Survey
6.5K employees$105,611
Bureau of Reclamation
4K employees$110,160
Indian Affairs
3.5K employees$94,520
Bureau of Indian Education
2.8K employees$79,503
Bureau of Safety and Environmental Enforcement
582 employees$138,856
Bureau of Ocean Energy Management
513 employees$143,684
Office of the Solicitor
439 employees$160,203
Bureau of Trust Funds Administration
370 employees$110,298
Office of Surface Mining, Reclamation and Enforcement
261 employees$124,618
Office of the Inspector General
236 employees$155,637
Separations Breakdown
46.6K total separations (FY2020–2025)