The map above shows American Samoa and Puerto Rico side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
American Samoa vs Puerto Rico Geography
Land area: American Samoa has a land area of 77 square miles (199 km²), while Puerto Rico has 3,424 square miles (8,868 km²). Puerto Rico's land area is 44.6 times larger than American Samoa's.
Total area: American Samoa: 581 square miles (1,505 km²) vs Puerto Rico: 3,515 square miles (9,104 km²), including inland and coastal water. Puerto Rico's total area is 6.0 times (505%) larger than American Samoa's.
Length: American Samoa is 9 miles (14 km) long from north to south; Puerto Rico is 67 miles (107 km). Puerto Rico's north-south length is 7.4 times (644%) longer than American Samoa's.
Width: American Samoa spans 17 miles (28 km) east to west; Puerto Rico spans 174 miles (279 km). Puerto Rico's east-west width is 10.2 times wider than American Samoa's.
Highest point: American Samoa's highest point is Lata Mountain at 3,169 feet (966 m); Puerto Rico's is Cerro de Punta at 4,390 feet (1,338 m). Cerro de Punta is 1,221 feet higher than Lata Mountain.
Lowest point: American Samoa's lowest point is Pacific Ocean at 0 feet; Puerto Rico's is Atlantic Ocean at 0 feet. Both lowest points are at or near sea level.
American Samoa vs Puerto Rico Population and History
Population: American Samoa has a population of 49,710 (2020), while Puerto Rico has 3,285,874 (2020). Puerto Rico's population is 66.1 times larger than American Samoa's.
Population density: American Samoa: 645.6 people per square mile vs Puerto Rico: 959.7. Puerto Rico's population density is 1.5 times (49%) higher than American Samoa's.
History: American Samoa: A US territory since 1900. Puerto Rico: A US territory since 1898; a commonwealth since 1952. In its current form, Puerto Rico is the older of the two by 2 years.
Official Websites
American Samoa official website · Puerto Rico official website
More Size Comparisons
All American Samoa size comparisons · All Puerto Rico size comparisons
Area, elevation and boundary figures come from official national statistics and US Census Bureau and Natural Earth boundary data; US state population, economic, county and tax figures come from the US Census Bureau, the Bureau of Economic Analysis and the Tax Foundation. Figures are rounded and for general reference.