United States Department of the Interior

The United States Department of the Interior (DOI) is a federal executive department of the U.S. government. It is responsible for the management and conservation of most federal lands and natural resources, and the administration of programs relating to Native Americans, Alaska Natives, Native Hawaiians, territorial affairs, and insular areas of the United States, as well as programs related to historic preservation. About 75% of federal public land is managed by the department, with most of the remainder managed by the United States Department of Agriculture's United States Forest Service.[3] The department was created on March 3, 1849.

United States Department of the Interior
Seal of the U.S. Department of the Interior
Flag of the U.S. Department of the Interior

Main Interior Building
Agency overview
FormedMarch 3, 1849; 172 years ago (1849-03-03)
TypeDepartment
HeadquartersMain Interior Building
1849 C Street NW
Washington, D.C., U.S.
38°53′37.11″N 77°2′33.33″W
Employees61,800 (2020)[1]
Annual budget$12.6 Billion (2020)[2]
Agency executives
WebsiteDOI.gov

The department is administered by the United States secretary of the interior, who is a member of the Cabinet of the president. The current secretary is Deb Haaland. The inspector general position is currently held by Mark Greenblatt.

Despite its name, the Department of the Interior has a different role from that of the interior ministries of other nations, which are usually responsible for police matters and internal security. In the United States, national security and immigration functions are performed by the Department of Homeland Security primarily and the Department of Justice secondarily.

The Department of the Interior has often been humorously called "the Department of Everything Else" because of its broad range of responsibilities.[4]


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