Flag of Guam

Guam Map & Atlas

Political, physical and population maps of Guam with its 1 first-level divisions and largest cities, plus ethnic, religious and language maps.

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Administrative divisions of Guam

Natural Earth admin-1 boundaries · 1 units

Guam is divided into 1 first-level administrative divisions:

Guam

Largest cities in Guam

Urban-area estimates · Natural Earth
#CityPopulation
1Agana122,411

Agana is the largest urban area in Guam with about 122,411 people.

Terrain, rivers & lakes

Terrain tiles · Natural Earth rivers & lakes

Highest terrain in Guam: ≈ 398 m — read from the global elevation model, so summit heights are approximate. The physical map paints elevation bands from green lowlands to brown highlands.

No major named rivers or lakes are mapped for Guam at this map scale.

Ethnic groups in Guam

CIA World Factbook · 2020
Native Hawaiian and other Pacific Islander
46.1%Asian
35.5%other Asian
1.5%White
6.8%African descent or African-American
0.9%Indigenous
0.1%other
0.6%mixed
10%

Native Hawaiian and other Pacific Islander 46.1% (Chamorro 32.8%, Chuukese 6.7%, Palauan 1.4%, Pohnpeian 1.4%, Yapese 1%, other Native Hawaiian and other Pacific Islander 2.8%), Asian 35.5% (Filipino 29.1%, Korean 2.2%, Japanese 1.4%, Chinese (except Taiwanese) 1.3%, other Asian 1.5%), White 6.8%, African descent or African-American 0.9%, Indigenou

Regionally, Native Hawaiian and other Pacific Islander is the most common ethnic group across most of the 1 divisions.

Source: CIA World Factbook (2020 est.) · regional dominance compiled by Glostats from censuses and surveys

Religions in Guam

CIA World Factbook · 2020
Christian
94.2%folk religions
1.5%Buddhist
1.1%other
1.6%unaffiliated
1.7%

Christian (predominantly Roman Catholic) 94.2%, folk religions 1.5%, Buddhist 1.1%, other 1.6%, unaffiliated 1.7% (2020 est.)

Regionally, Christian is the most common religious group across most of the 1 divisions.

Source: CIA World Factbook (2020 est.) · regional dominance compiled by Glostats from censuses and surveys

Languages in Guam

CIA World Factbook · 2020
English
43.3%Filipino
24.9%Chamorro
16%other Pacific Island languages
9.4%Asian languages
6.5%

English 43.3%, Filipino 24.9%, Chamorro 16%, other Pacific Island languages 9.4%, Asian languages 6.5% (2020 est.)

Regionally, English is the most common language group across most of the 1 divisions.

Source: CIA World Factbook (2020 est.) · regional dominance compiled by Glostats from censuses and surveys

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Sources: boundaries, cities, rivers and lakes from Natural Earth (public domain, 1:10m); elevation from the AWS Open Data terrain tiles (SRTM/GMTED); ethnic, religious and language shares from the CIA World Factbook; regional dominance compiled by Glostats from national censuses and surveys. Page generated 2026-10-19. More about our data.