UNITED STATES · TERRITORIES · DRAFT
Guam
GUUnited States national overview in the World Factbook ↗
DRAFT · Dated statistical and subject baseline. Figures retain their individual reference years.
Introduction
Background ⓘ
Guam is a United States territory in the western Pacific, with its capital and territorial government in Hagåtña.
Geography
Total area ⓘ
571 square miles (1,479 square kilometres) (2010)
Land area ⓘ
210 square miles (544 square kilometres) (2010)
Water area ⓘ
361 square miles (935 square kilometres) (2010)
Setting ⓘ
Guam lies in the North Pacific, south of the Northern Mariana Islands and north of the Federated States of Micronesia. Hagåtña is on its west-central coast.
People
Government
National Park Service places
Places associated with this state or territory in the NPS directory.
Further reading
Source records
- Background
U.S. Army Corps of Engineers, East Hagatna feasibility report, July 2023 ↗
Reference period: Not supplied by source.
Retrieved: 2026-10-31.
- Total area
U.S. Census Bureau, State Area Measurements (2010) ↗
Reference period: 2010. 2010 Census geography; rounded to whole square miles. Water includes perennial water only; intermittent water, glacier, marsh and swamp are included in land. Do not interpret as a current boundary survey.
Retrieved: 2026-10-31T17:09:33.8431839Z.
Original source value: 571 square miles.
- Land area
U.S. Census Bureau, State Area Measurements (2010) ↗
Reference period: 2010. 2010 Census geography; rounded to whole square miles. Water includes perennial water only; intermittent water, glacier, marsh and swamp are included in land. Do not interpret as a current boundary survey.
Retrieved: 2026-10-31T17:09:33.8431839Z.
Original source value: 210 square miles.
- Water area
U.S. Census Bureau, State Area Measurements (2010) ↗
Reference period: 2010. 2010 Census geography; rounded to whole square miles. Water includes perennial water only; intermittent water, glacier, marsh and swamp are included in land. Do not interpret as a current boundary survey.
Retrieved: 2026-10-31T17:09:33.8431839Z.
Original source value: 361 square miles.
- Setting
U.S. Army Corps of Engineers, East Hagatna feasibility report, July 2023 ↗
Reference period: Not supplied by source.
Retrieved: 2026-10-31.
- Census population
U.S. Census Bureau, 2020 Island Areas Censuses ↗
Reference period: 2020-04-01. April 1, 2020 enumerated population, 2020 Island Areas Censuses. Not an annual estimate; ACS is not conducted in these four territories.
Retrieved: 2026-10-31T17:16:16.9406882Z.
Original source value: 153,836 people.
- Capital
Mayors Council of Guam, Hagåtña ↗
Reference period: Not supplied by source.
Retrieved: 2026-10-31.
- Political status
U.S. Geological Survey, Coral Reef Project: Guam ↗
Reference period: Not supplied by source.
Retrieved: 2026-10-31.