The map above shows United States and New Jersey side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
United States vs New Jersey Geography
Land area: United States has a land area of 3,533,467 square miles (9,151,637 km²), while New Jersey has 7,355 square miles (19,049 km²). United States' land area is 480.4 times larger than New Jersey's.
Total area: United States: 3,802,784 square miles (9,849,165 km²) vs New Jersey: 8,719 square miles (22,583 km²), including inland and coastal water. United States' total area is 436.1 times larger than New Jersey's.
Length: United States is 3,628 miles (5,839 km) long from north to south; New Jersey is 169 miles (271 km). United States' north-south length is 21.5 times longer than New Jersey's.
Width: United States spans 4,824 miles (7,763 km) east to west; New Jersey spans 129 miles (207 km). United States' east-west width is 37.4 times wider than New Jersey's.
Highest point: United States's highest point is Denali at 20,308 feet (6,190 m); New Jersey's is High Point at 1,798 feet (548 m). Denali is 18,510 feet higher than High Point.
Lowest point: United States's lowest point is Death Valley at -279 feet; New Jersey's is Atlantic Ocean at 0 feet. United States's lowest point is 279 feet lower.
United States vs New Jersey Population and History
Population: United States has a population of 340,110,988 (2024), while New Jersey has 9,500,851 (2024). United States' population is 35.8 times larger than New Jersey's.
Population density: United States: 96.3 people per square mile vs New Jersey: 1,291.8. New Jersey's population density is 13.4 times higher than United States'.
Biggest city: United States's biggest city is New York with 8,478,072 people; New Jersey's is Newark with 317,303. New York's population is 26.7 times larger than Newark'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 New Jersey's New York-Newark-Jersey City, NY-NJ metro area (19,940,274). New York-Newark-Jersey City, NY-NJ metro area and New York-Newark-Jersey City, NY-NJ metro area have about the same population.
History: United States: Declared independence on July 4, 1776. New Jersey: Admitted to the Union on December 18, 1787, as the 3rd state. In its current form, United States is the older of the two by 11 years.
United States vs New Jersey Economy
GDP: United States's GDP is $30,769.7 billion (2025) vs New Jersey's $846.0 billion. United States' economic output is 36.4 times larger than New Jersey's.
GDP per capita: United States: $89,599 per person vs New Jersey: $89,045. United States and New Jersey have about the same GDP per capita.
Official Websites
United States official website · New Jersey official website
More Size Comparisons
All United States size comparisons · All New Jersey 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.