The map above shows United States and District of Columbia side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
United States vs District of Columbia Geography
Land area
- United States has a land area of 3,533,467 square miles (9,151,637 km²), while District of Columbia has 61 square miles (158 km²).
- United States' land area is 57,921.8 times larger than District of Columbia's.
Total area
- United States: 3,802,784 square miles (9,849,165 km²) vs District of Columbia: 68 square miles (177 km²), including inland and coastal water.
- United States' total area is 55,645.0 times larger than District of Columbia's.
Length
- United States is 3,628 miles (5,839 km) long from north to south; District of Columbia is 13 miles (22 km).
- United States' north-south length is 279.1 times longer than District of Columbia's.
Width
- United States spans 4,824 miles (7,763 km) east to west; District of Columbia spans 12 miles (19 km).
- United States' east-west width is 402.0 times wider than District of Columbia's.
Highest point
- United States's highest point is Denali at 20,308 feet (6,190 m); District of Columbia's is Fort Reno at 429 feet (131 m).
- Denali is 19,879 feet higher than Fort Reno.
Lowest point
- United States's lowest point is Death Valley at -279 feet; District of Columbia's is Potomac River at 0 feet.
- United States's lowest point is 279 feet lower.
United States vs District of Columbia Population and History
Population
- United States has a population of 340,110,988 (2024), while District of Columbia has 702,250 (2024).
- United States' population is 484.3 times larger than District of Columbia's.
Population density
- United States: 96.3 people per square mile vs District of Columbia: 11,493.5.
- District of Columbia's population density is 119.4 times higher than United States'.
Biggest city
- United States's biggest city is New York with 8,478,072 people; District of Columbia's is Washington with 702,250.
- New York's population is 12.1 times larger than Washington'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 District of Columbia'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.
- District of Columbia: The federal district, established by the Residence Act on July 16, 1790; not a state.
- In its current form, United States is the older of the two by 14 years.
United States vs District of Columbia Economy
GDP
- United States's GDP is $30,769.7 billion (2025) vs District of Columbia's $184.3 billion.
- United States' economic output is 167.0 times larger than District of Columbia's.
GDP per capita
- United States: $89,599 per person vs District of Columbia: $262,439.
- District of Columbia's GDP per capita is 2.9 times (193%) higher than United States'.
Official Websites
United States official website · District of Columbia official website
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More Size Comparisons
All United States size comparisons · All District of Columbia 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.