Johnston Atoll
  source: CIA World Factbook 1998

(territory of the US)
[Country Flag of Johnston Atoll]
[Country map of Johnston Atoll]

Johnston Atoll Government, History, Population & Geography


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Location: Oceania, atoll in the North Pacific Ocean, about one-third of the way from Hawaii to the Marshall Islands

Geographic coordinates: 16 45 N, 169 30 W

Map references: Oceania

total: 2.8 sq km
land: 2.8 sq km
water: 0 sq km

Area—comparative: about 4.7 times the size of The Mall in Washington, DC

Land boundaries: 0 km

Coastline: 10 km

Maritime claims:
exclusive economic zone: 200 nm
territorial sea: 12 nm

Climate: tropical, but generally dry; consistent northeast trade winds with little seasonal temperature variation

Terrain: mostly flat

Elevation extremes:
lowest point: Pacific Ocean 0 m
highest point: Summit Peak 5 m

Natural resources: NA; guano deposits worked until depletion about 1890

Land use:
arable land: 0%
permanent crops: 0%
permanent pastures: 0%
forests and woodland: 0%
other: 100%

Irrigated land: 0 sq km (1993)

Natural hazards: NA

Environment—current issues: no natural fresh water resources

Environment—international agreements:
party to: NA
signed, but not ratified: NA

Geography—note: strategic location in the North Pacific Ocean; Johnston Island and Sand Island are natural islands, which have been expanded by coral dredging; North Island (Akau) and East Island (Hikina) are manmade islands formed from coral dredging; closed to the public; former US nuclear weapons test site; site of Johnston Atoll Chemical Agent Disposal System (JACADS); some low-growing vegetation


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Population: no indigenous inhabitants
note: there are 1,200 US military and civilian contractor personnel (January 1997 est.)

Population growth rate: -6.41% (1998 est.)


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Country name:
conventional long form: none
conventional short form: Johnston Atoll

Data code: JQ

Dependency status: unincorporated territory of the US; administered from Washington, DC, by the US Defense Special Weapons Agency (DSWA) and managed cooperatively by DSWA and the Fish and Wildlife Service of the US Department of the Interior as part of the National Wildlife Refuge system

Legal system: NA

Flag description: the flag of the US is used


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Economy—overview: Economic activity is limited to providing services to US military personnel and contractors located on the island. All food and manufactured goods must be imported.

Electricity—capacity: NA kW
note: electricity supplied by the base operating support contractor

Electricity—production: six 25,000 kWh generators
note: electricity supplied by the base operating support contractor


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Telephone system: 13 outgoing and 10 incoming commercial lines; adequate telecommunications
domestic: 60-channel submarine cable, 22 DSN circuits by satellite, Autodin with standard remote terminal, digital telephone switch, Military Affiliated Radio System (MARS station), UHF/VHF air-ground radio, a link to the Pacific Consolidated Telecommunications Network (PCTN) satellite
international: NA

Radio broadcast stations: AM NA, FM 5 channels; also 1 local volunteer FM radio station;, shortwave NA; 1 amateur station, call sign KJ6BZ

Television broadcast stations: commercial satellite television system, 16 channels


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Ports and harbors: Johnston Island

Airports: 1 (1997 est.)

Airports—with paved runways:
total: 1
2,438 to 3,047 m: 1 (1997 est.)


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Military—note: defense is the responsibility of the US

Transnational Issues

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Disputes—international: none

source: CIA World Factbook 1998

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