Indian Island is an unincorporated community

Unincorporated area

In law, an unincorporated area is a region of land that is not a part of any municipality.To "incorporate" in this context means to form a municipal corporation, a city, town, or village with its own government. An unincorporated community is usually not subject to or taxed by a municipal government...

 in Jefferson County

Jefferson County, Washington

Jefferson County is a county located in the U.S. state of Washington, named after Thomas Jefferson. As of 2010, the population was 29,872. The county seat is at Port Townsend, which is also the county's only incorporated city....

, Washington, United States

United States

The United States of America is a federal constitutional republic comprising fifty states and a federal district...

. It is located between Port Townsend Bay

Port Townsend Bay

Port Townsend Bay, also called Port Townsend, is a marine inlet off Admiralty Inlet at the northeastern extreme of the Olympic Peninsula in the U.S. state of Washington. It was named Port Townsend by George Vancouver in 1792. The name Port Townsend Bay is sometimes used to distinguish the bay from...

 and Kilisut Harbor. Parts also border on Oak Bay and Scow Bay. Until the construction of the Port Townsend Ship Canal

Port Townsend Ship Canal

The Port Townsend Ship Canal links Port Townsend Bay with Oak Bay in Jefferson County, Washington. Prior to construction this area was occupied by a broad sand flat and backshore marsh....

 (also known as Portage Canal) Indian Island was connected to the mainland by a broad sand flat and backshore marsh. Indian Island is the location of the Indian Island Naval Reserve, which covers the entire island. No civilian residences are allowed on Indian Island. Indian Island is attached to Marrowstone Island, and is often grouped with it. Indian Island is served by the ZIP code for Nordland. The entire island has a land area of 11.28 km² (4.3553 sq mi) and a population of 44 persons as of the 2000 census

United States Census, 2000

The Twenty-second United States Census, known as Census 2000 and conducted by the Census Bureau, determined the resident population of the United States on April 1, 2000, to be 281,421,906, an increase of 13.2% over the 248,709,873 persons enumerated during the 1990 Census...

.

Naval Magazine

Indian Island is a major U.S. Navy munitions handling facility. Navy combat ships and Military Sealift Command vessels frequent Indian Island’s dock receiving and discharging munitions in support of U.S. military operations worldwide. The Navy also services refitted Ohio class missile submarines (formerly SSBN, now SSGN) at Indian Island. Environmental and peace activists have raised questions about Navy activities at Indian Island.

Boy Scouts

Local Boy Scout troops are among the few civilian organizations who get to visit the island.