The map above shows United States and Oklahoma side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
United States vs Oklahoma Geography
Land area
- United States has a land area of 3,533,467 square miles (9,151,637 km²), while Oklahoma has 68,597 square miles (177,665 km²).
- United States' land area is 51.5 times larger than Oklahoma's.
Total area
- United States: 3,802,784 square miles (9,849,165 km²) vs Oklahoma: 69,899 square miles (181,038 km²), including inland and coastal water.
- United States' total area is 54.4 times larger than Oklahoma's.
Length
- United States is 3,628 miles (5,839 km) long from north to south; Oklahoma is 533 miles (857 km).
- United States' north-south length is 6.8 times (581%) longer than Oklahoma's.
Width
- United States spans 4,824 miles (7,763 km) east to west; Oklahoma spans 490 miles (789 km).
- United States' east-west width is 9.8 times (884%) wider than Oklahoma's.
Highest point
- United States's highest point is Denali at 20,308 feet (6,190 m); Oklahoma's is Black Mesa at 4,980 feet (1,518 m).
- Denali is 15,328 feet higher than Black Mesa.
Lowest point
- United States's lowest point is Death Valley at -279 feet; Oklahoma's is Little River at 289 feet.
- United States's lowest point is 568 feet lower.
United States vs Oklahoma Population and History
Population
- United States has a population of 340,110,988 (2024), while Oklahoma has 4,095,393 (2024).
- United States' population is 83.0 times larger than Oklahoma's.
Population density
- United States: 96.3 people per square mile vs Oklahoma: 59.7.
- United States' population density is 1.6 times (61%) higher than Oklahoma's.
Biggest city
- United States's biggest city is New York with 8,478,072 people; Oklahoma's is Oklahoma City with 712,919.
- New York's population is 11.9 times larger than Oklahoma 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 Oklahoma's Oklahoma City, OK metro area (1,497,821).
- New York-Newark-Jersey City, NY-NJ metro area's population is 13.3 times larger than Oklahoma City, OK metro area's.
History
- United States: Declared independence on July 4, 1776.
- Oklahoma: Admitted to the Union on November 16, 1907, as the 46th state.
- In its current form, United States is the older of the two by 131 years.
United States vs Oklahoma Economy
GDP
- United States's GDP is $30,769.7 billion (2025) vs Oklahoma's $263.7 billion.
- United States' economic output is 116.7 times larger than Oklahoma's.
GDP per capita
- United States: $89,599 per person vs Oklahoma: $64,388.
- United States' GDP per capita is 1.4 times (39%) higher than Oklahoma's.
Official Websites
United States official website · Oklahoma official website
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More Size Comparisons
All United States size comparisons · All Oklahoma 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.