The map above shows Illinois and American Samoa side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Illinois vs American Samoa Geography
Land area: Illinois has a land area of 55,513 square miles (143,778 km²), while American Samoa has 77 square miles (199 km²). Illinois' land area is 722.5 times larger than American Samoa's.
Total area: Illinois: 57,913 square miles (149,995 km²) vs American Samoa: 581 square miles (1,505 km²), including inland and coastal water. Illinois' total area is 99.7 times larger than American Samoa's.
Length: Illinois is 390 miles (628 km) long from north to south; American Samoa is 9 miles (14 km). Illinois' north-south length is 43.3 times longer than American Samoa's.
Width: Illinois spans 283 miles (456 km) east to west; American Samoa spans 17 miles (28 km). Illinois' east-west width is 16.6 times wider than American Samoa's.
Highest point: Illinois's highest point is Charles Mound at 1,232 feet (376 m); American Samoa's is Lata Mountain at 3,169 feet (966 m). Lata Mountain is 1,937 feet higher than Charles Mound.
Lowest point: Illinois's lowest point is Mississippi River at 292 feet; American Samoa's is Pacific Ocean at 0 feet. American Samoa's lowest point is 292 feet lower.
Illinois vs American Samoa Population and History
Population: Illinois has a population of 12,710,158 (2024), while American Samoa has 49,710 (2020). Illinois' population is 255.7 times larger than American Samoa's.
Population density: Illinois: 229.0 people per square mile vs American Samoa: 645.6. American Samoa's population density is 2.8 times (182%) higher than Illinois'.
History: Illinois: Admitted to the Union on December 3, 1818, as the 21st state. American Samoa: A US territory since 1900. In its current form, Illinois is the older of the two by 82 years.
Official Websites
Illinois official website · American Samoa official website
More Size Comparisons
All Illinois size comparisons · All American Samoa 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.