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
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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.