The map above shows United States and Maryland side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
United States vs Maryland Geography
Land area: United States has a land area of 3,533,467 square miles (9,151,637 km²), while Maryland has 9,711 square miles (25,151 km²). United States' land area is 363.9 times larger than Maryland's.
Total area: United States: 3,802,784 square miles (9,849,165 km²) vs Maryland: 12,406 square miles (32,131 km²), including inland and coastal water. United States' total area is 306.5 times larger than Maryland's.
Length: United States is 3,628 miles (5,839 km) long from north to south; Maryland is 231 miles (371 km). United States' north-south length is 15.7 times longer than Maryland's.
Width: United States spans 4,824 miles (7,763 km) east to west; Maryland spans 243 miles (391 km). United States' east-west width is 19.9 times wider than Maryland's.
Highest point: United States's highest point is Denali at 20,308 feet (6,190 m); Maryland's is Hoye-Crest at 3,362 feet (1,025 m). Denali is 16,946 feet higher than Hoye-Crest.
Lowest point: United States's lowest point is Death Valley at -279 feet; Maryland's is Atlantic Ocean at 0 feet. United States's lowest point is 279 feet lower.
United States vs Maryland Population and History
Population: United States has a population of 340,110,988 (2024), while Maryland has 6,263,220 (2024). United States' population is 54.3 times larger than Maryland's.
Population density: United States: 96.3 people per square mile vs Maryland: 645.0. Maryland's population density is 6.7 times (570%) higher than United States'.
Biggest city: United States's biggest city is New York with 8,478,072 people; Maryland's is Baltimore with 568,271. New York's population is 14.9 times larger than Baltimore'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 Maryland's Washington-Arlington-Alexandria, DC-VA-MD-WV metro area (6,436,489). New York-Newark-Jersey City, NY-NJ metro area's population is 3.1 times (210%) larger than Washington-Arlington-Alexandria, DC-VA-MD-WV metro area's.
History: United States: Declared independence on July 4, 1776. Maryland: Admitted to the Union on April 28, 1788, as the 7th state. In its current form, United States is the older of the two by 12 years.
United States vs Maryland Economy
GDP: United States's GDP is $30,769.7 billion (2025) vs Maryland's $546.0 billion. United States' economic output is 56.4 times larger than Maryland's.
GDP per capita: United States: $89,599 per person vs Maryland: $87,180. United States and Maryland have about the same GDP per capita.
Official Websites
United States official website · Maryland official website
More Size Comparisons
All United States size comparisons · All Maryland 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.