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
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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.