This reference page collects population of guam in one place: population 166,506; surface area 540 km2; density 308.3 /km2; capital Agana. Figures are refreshed automatically by a scheduled build and cached locally so the page keeps its values even when the upstream API is temporarily unavailable. Use the table below for exact numbers, or the related pages for the same dataset for neighbouring periods and locations.
Population 166,506
Surface area 540 km2
Density 308.3 /km2
Capital Agana
Income group High income
Data year 2023
How the Guam population figure is derived
Population and land area come from the same World Bank release, so the density of 308.3 people per km2 is internally consistent. Cross-check against the country ranking table to see where Guam sits.
Frequently asked questions
Where does the data on population of guam come from?
From a public open API that is queried automatically and cached after every successful run.
How often is population of guam updated?
The build runs on a schedule, so values refresh at least daily and old pages stay live.