The map above shows United States and Colorado side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
United States vs Colorado Geography
Land area: United States has a land area of 3,533,467 square miles (9,151,637 km²), while Colorado has 103,637 square miles (268,419 km²). United States' land area is 34.1 times larger than Colorado's.
Total area: United States: 3,802,784 square miles (9,849,165 km²) vs Colorado: 104,095 square miles (269,605 km²), including inland and coastal water. United States' total area is 36.5 times larger than Colorado's.
Length: United States is 3,628 miles (5,839 km) long from north to south; Colorado is 467 miles (751 km). United States' north-south length is 7.8 times (677%) longer than Colorado's.
Width: United States spans 4,824 miles (7,763 km) east to west; Colorado spans 387 miles (622 km). United States' east-west width is 12.5 times wider than Colorado's.
Highest point: United States's highest point is Denali at 20,308 feet (6,190 m); Colorado's is Mount Elbert at 14,422 feet (4,396 m). Denali is 5,886 feet higher than Mount Elbert.
Lowest point: United States's lowest point is Death Valley at -279 feet; Colorado's is Arikaree River at 3,326 feet. United States's lowest point is 3,605 feet lower.
United States vs Colorado Population and History
Population: United States has a population of 340,110,988 (2024), while Colorado has 5,957,493 (2024). United States' population is 57.1 times larger than Colorado's.
Population density: United States: 96.3 people per square mile vs Colorado: 57.5. United States' population density is 1.7 times (67%) higher than Colorado's.
Biggest city: United States's biggest city is New York with 8,478,072 people; Colorado's is Denver with 729,019. New York's population is 11.6 times larger than Denver'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 Colorado's Denver-Aurora-Centennial, CO metro area (3,052,498). New York-Newark-Jersey City, NY-NJ metro area's population is 6.5 times (553%) larger than Denver-Aurora-Centennial, CO metro area's.
History: United States: Declared independence on July 4, 1776. Colorado: Admitted to the Union on August 1, 1876, as the 38th state. In its current form, United States is the older of the two by 100 years.
United States vs Colorado Economy
GDP: United States's GDP is $30,769.7 billion (2025) vs Colorado's $557.6 billion. United States' economic output is 55.2 times larger than Colorado's.
GDP per capita: United States: $89,599 per person vs Colorado: $93,602. United States and Colorado have about the same GDP per capita.
Official Websites
United States official website · Colorado official website
More Size Comparisons
All United States size comparisons · All Colorado 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.