The map above shows United States and Maine side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
United States vs Maine Geography
Land area: United States has a land area of 3,533,467 square miles (9,151,637 km²), while Maine has 30,845 square miles (79,888 km²). United States' land area is 114.6 times larger than Maine's.
Total area: United States: 3,802,784 square miles (9,849,165 km²) vs Maine: 35,380 square miles (91,634 km²), including inland and coastal water. United States' total area is 107.5 times larger than Maine's.
Length: United States is 3,628 miles (5,839 km) long from north to south; Maine is 311 miles (501 km). United States' north-south length is 11.7 times longer than Maine's.
Width: United States spans 4,824 miles (7,763 km) east to west; Maine spans 203 miles (327 km). United States' east-west width is 23.8 times wider than Maine's.
Highest point: United States's highest point is Denali at 20,308 feet (6,190 m); Maine's is Mount Katahdin at 5,253 feet (1,601 m). Denali is 15,055 feet higher than Mount Katahdin.
Lowest point: United States's lowest point is Death Valley at -279 feet; Maine's is Atlantic Ocean at 0 feet. United States's lowest point is 279 feet lower.
United States vs Maine Population and History
Population: United States has a population of 340,110,988 (2024), while Maine has 1,405,012 (2024). United States' population is 242.1 times larger than Maine's.
Population density: United States: 96.3 people per square mile vs Maine: 45.6. United States' population density is 2.1 times (111%) higher than Maine's.
Biggest city: United States's biggest city is New York with 8,478,072 people; Maine's is Portland with 69,568. New York's population is 121.9 times larger than Portland'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 Maine's Portland-South Portland, ME metro area (571,534). New York-Newark-Jersey City, NY-NJ metro area's population is 34.9 times larger than Portland-South Portland, ME metro area's.
History: United States: Declared independence on July 4, 1776. Maine: Admitted to the Union on March 15, 1820, as the 23rd state. In its current form, United States is the older of the two by 44 years.
United States vs Maine Economy
GDP: United States's GDP is $30,769.7 billion (2025) vs Maine's $99.2 billion. United States' economic output is 310.2 times larger than Maine's.
GDP per capita: United States: $89,599 per person vs Maine: $70,586. United States' GDP per capita is 1.3 times (27%) higher than Maine's.
Official Websites
United States official website · Maine official website
More Size Comparisons
All United States size comparisons · All Maine 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.