The map above shows United States and Massachusetts side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
United States vs Massachusetts Geography
Land area: United States has a land area of 3,533,467 square miles (9,151,637 km²), while Massachusetts has 7,801 square miles (20,204 km²). United States' land area is 453.0 times larger than Massachusetts'.
Total area: United States: 3,802,784 square miles (9,849,165 km²) vs Massachusetts: 10,554 square miles (27,335 km²), including inland and coastal water. United States' total area is 360.3 times larger than Massachusetts'.
Length: United States is 3,628 miles (5,839 km) long from north to south; Massachusetts is 123 miles (198 km). United States' north-south length is 29.5 times longer than Massachusetts'.
Width: United States spans 4,824 miles (7,763 km) east to west; Massachusetts spans 185 miles (297 km). United States' east-west width is 26.1 times wider than Massachusetts'.
Highest point: United States's highest point is Denali at 20,308 feet (6,190 m); Massachusetts's is Mount Greylock at 3,489 feet (1,063 m). Denali is 16,819 feet higher than Mount Greylock.
Lowest point: United States's lowest point is Death Valley at -279 feet; Massachusetts's is Atlantic Ocean at 0 feet. United States's lowest point is 279 feet lower.
United States vs Massachusetts Population and History
Population: United States has a population of 340,110,988 (2024), while Massachusetts has 7,136,171 (2024). United States' population is 47.7 times larger than Massachusetts'.
Population density: United States: 96.3 people per square mile vs Massachusetts: 914.8. Massachusetts' population density is 9.5 times (850%) higher than United States'.
Biggest city: United States's biggest city is New York with 8,478,072 people; Massachusetts's is Boston with 673,458. New York's population is 12.6 times larger than Boston's.
Largest metro area: United States's largest metropolitan area is New York-Newark-Jersey City, NY-NJ metro area (19,940,274 people) vs Massachusetts's Boston-Cambridge-Newton, MA-NH metro area (5,025,517). New York-Newark-Jersey City, NY-NJ metro area's population is 4.0 times (297%) larger than Boston-Cambridge-Newton, MA-NH metro area's.
History: United States: Declared independence on July 4, 1776. Massachusetts: Admitted to the Union on February 6, 1788, as the 6th state. In its current form, United States is the older of the two by 12 years.
United States vs Massachusetts Economy
GDP: United States's GDP is $30,769.7 billion (2025) vs Massachusetts's $778.5 billion. United States' economic output is 39.5 times larger than Massachusetts'.
GDP per capita: United States: $89,599 per person vs Massachusetts: $109,095. Massachusetts' GDP per capita is 1.2 times (22%) higher than United States'.
Official Websites
United States official website · Massachusetts official website
More Size Comparisons
All United States size comparisons · All Massachusetts 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.