The map above shows United States and Missouri side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
United States vs Missouri Geography
Land area: United States has a land area of 3,533,467 square miles (9,151,637 km²), while Missouri has 68,746 square miles (178,052 km²). United States' land area is 51.4 times larger than Missouri's.
Total area: United States: 3,802,784 square miles (9,849,165 km²) vs Missouri: 69,707 square miles (180,540 km²), including inland and coastal water. United States' total area is 54.6 times larger than Missouri's.
Length: United States is 3,628 miles (5,839 km) long from north to south; Missouri is 328 miles (529 km). United States' north-south length is 11.1 times longer than Missouri's.
Width: United States spans 4,824 miles (7,763 km) east to west; Missouri spans 437 miles (703 km). United States' east-west width is 11.0 times wider than Missouri's.
Highest point: United States's highest point is Denali at 20,308 feet (6,190 m); Missouri's is Taum Sauk Mountain at 1,771 feet (540 m). Denali is 18,537 feet higher than Taum Sauk Mountain.
Lowest point: United States's lowest point is Death Valley at -279 feet; Missouri's is St. Francis River at 230 feet. United States's lowest point is 509 feet lower.
United States vs Missouri Population and History
Population: United States has a population of 340,110,988 (2024), while Missouri has 6,245,466 (2024). United States' population is 54.5 times larger than Missouri's.
Population density: United States: 96.3 people per square mile vs Missouri: 90.8. United States' population density is 1.1 times (6%) higher than Missouri's.
Biggest city: United States's biggest city is New York with 8,478,072 people; Missouri's is Kansas City with 516,032. New York's population is 16.4 times larger than Kansas City'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 Missouri's St. Louis, MO-IL metro area (2,811,927). New York-Newark-Jersey City, NY-NJ metro area's population is 7.1 times (609%) larger than St. Louis, MO-IL metro area's.
History: United States: Declared independence on July 4, 1776. Missouri: Admitted to the Union on August 10, 1821, as the 24th state. In its current form, United States is the older of the two by 45 years.
United States vs Missouri Economy
GDP: United States's GDP is $30,769.7 billion (2025) vs Missouri's $448.7 billion. United States' economic output is 68.6 times larger than Missouri's.
GDP per capita: United States: $89,599 per person vs Missouri: $71,846. United States' GDP per capita is 1.2 times (25%) higher than Missouri's.
Official Websites
United States official website · Missouri official website
More Size Comparisons
All United States size comparisons · All Missouri 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.