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U.S. Department of the Interior


The U.S. Department of the Interior (DOI) is under the Executive Branch of the U.S. Government. It is one of fifteen executive departments. This guide provides an overview about the DOI, including its bureaus, highlighted publications, and featured online information. 

Photograph of a Green Kingfisher in Big Bend National Park (Source: NPS Gallery Digital Asset Management System)

Quick Facts about the DOI

Seal of the U.S. Department of the Interior

Mission: "To protect and manage the Nation’s natural resources and cultural heritage; provide scientific and other information about those resources; and honor its trust responsibilities or special commitments to American Indians, Alaska Natives, Native Hawaiians, and affiliated Island Communities."

Vision: "Manager our land, water, and resources for the benefit of all Americans, both today and tomorrow."

Established: 1849 (9 Stat. 395)

Secretary: Deb Haaland

Strategic Plan: FY2022-2026 Strategic Plan and previous strategic plans

Operation: 70,000 employees, 280,000 volunteers, and 2,400 operating locations

DOI Resources and Information

Resource Information
Main Website Visit the official website of the DOI.
Offices of the DOI View the list of DOI Offices.
Interior Library Check out the library's electronic and printed collections.
News Hear about the latest news from the DOI.
Videos See weekly videos that feature DOI events and news.
Photographs Explore the photographic collection on DOI-related topics, like scientific observations and national heritage months.
Blog Discover featured blogs that discuss a range of DOI-related subjects, from American bison to wildflowers.
Advancing Environmental Justice Learn about the DOI's partnership with other Federal agencies to "address current and historic environmental injustices and ensure accountability" for "communities of color, rural and Indigenous communities, low-income families, and people in the U.S. territories."
America the Beautiful Read about the interagency project to restore "30 percent of our lands and waters by 2030 for the sake of our economy, our health, and our well-being."
Volunteer Find opportunities to volunteer for the DOI, from educational to environmental projects.