The map above shows United States and Ohio side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
United States vs Ohio Geography
Land area: United States has a land area of 3,533,467 square miles (9,151,637 km²), while Ohio has 40,859 square miles (105,824 km²). United States' land area is 86.5 times larger than Ohio's.
Total area: United States: 3,802,784 square miles (9,849,165 km²) vs Ohio: 44,826 square miles (116,098 km²), including inland and coastal water. United States' total area is 84.8 times larger than Ohio's.
Length: United States is 3,628 miles (5,839 km) long from north to south; Ohio is 291 miles (468 km). United States' north-south length is 12.5 times longer than Ohio's.
Width: United States spans 4,824 miles (7,763 km) east to west; Ohio spans 317 miles (510 km). United States' east-west width is 15.2 times wider than Ohio's.
Highest point: United States's highest point is Denali at 20,308 feet (6,190 m); Ohio's is Campbell Hill at 1,547 feet (472 m). Denali is 18,761 feet higher than Campbell Hill.
Lowest point: United States's lowest point is Death Valley at -279 feet; Ohio's is Ohio River at 455 feet. United States's lowest point is 734 feet lower.
United States vs Ohio Population and History
Population: United States has a population of 340,110,988 (2024), while Ohio has 11,883,304 (2024). United States' population is 28.6 times larger than Ohio's.
Population density: United States: 96.3 people per square mile vs Ohio: 290.8. Ohio's population density is 3.0 times (202%) higher than United States'.
Biggest city: United States's biggest city is New York with 8,478,072 people; Ohio's is Columbus with 933,263. New York's population is 9.1 times (808%) larger than Columbus'.
Largest metro area: United States's largest metropolitan area is New York-Newark-Jersey City, NY-NJ metro area (19,940,274 people) vs Ohio's Cincinnati, OH-KY-IN metro area (2,302,815). New York-Newark-Jersey City, NY-NJ metro area's population is 8.7 times (766%) larger than Cincinnati, OH-KY-IN metro area's.
History: United States: Declared independence on July 4, 1776. Ohio: Admitted to the Union on March 1, 1803, as the 17th state. In its current form, United States is the older of the two by 27 years.
United States vs Ohio Economy
GDP: United States's GDP is $30,769.7 billion (2025) vs Ohio's $923.1 billion. United States' economic output is 33.3 times larger than Ohio's.
GDP per capita: United States: $89,599 per person vs Ohio: $77,684. United States' GDP per capita is 1.2 times (15%) higher than Ohio's.
Official Websites
United States official website · Ohio official website
More Size Comparisons
All United States size comparisons · All Ohio 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.