The map above shows United States and Iowa side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
United States vs Iowa Geography
Land area: United States has a land area of 3,533,467 square miles (9,151,637 km²), while Iowa has 55,854 square miles (144,660 km²). United States' land area is 63.3 times larger than Iowa's.
Total area: United States: 3,802,784 square miles (9,849,165 km²) vs Iowa: 56,273 square miles (145,746 km²), including inland and coastal water. United States' total area is 67.6 times larger than Iowa's.
Length: United States is 3,628 miles (5,839 km) long from north to south; Iowa is 216 miles (347 km). United States' north-south length is 16.8 times longer than Iowa's.
Width: United States spans 4,824 miles (7,763 km) east to west; Iowa spans 335 miles (539 km). United States' east-west width is 14.4 times wider than Iowa's.
Highest point: United States's highest point is Denali at 20,308 feet (6,190 m); Iowa's is Hawkeye Point at 1,669 feet (509 m). Denali is 18,639 feet higher than Hawkeye Point.
Lowest point: United States's lowest point is Death Valley at -279 feet; Iowa's is Mississippi River at 480 feet. United States's lowest point is 759 feet lower.
United States vs Iowa Population and History
Population: United States has a population of 340,110,988 (2024), while Iowa has 3,241,488 (2024). United States' population is 104.9 times larger than Iowa's.
Population density: United States: 96.3 people per square mile vs Iowa: 58.0. United States' population density is 1.7 times (66%) higher than Iowa's.
Biggest city: United States's biggest city is New York with 8,478,072 people; Iowa's is Des Moines with 213,096. New York's population is 39.8 times larger than Des Moines'.
Largest metro area: United States's largest metropolitan area is New York-Newark-Jersey City, NY-NJ metro area (19,940,274 people) vs Iowa's Omaha, NE-IA metro area (1,001,010). New York-Newark-Jersey City, NY-NJ metro area's population is 19.9 times larger than Omaha, NE-IA metro area's.
History: United States: Declared independence on July 4, 1776. Iowa: Admitted to the Union on December 28, 1846, as the 29th state. In its current form, United States is the older of the two by 70 years.
United States vs Iowa Economy
GDP: United States's GDP is $30,769.7 billion (2025) vs Iowa's $265.8 billion. United States' economic output is 115.8 times larger than Iowa's.
GDP per capita: United States: $89,599 per person vs Iowa: $81,998. United States' GDP per capita is 1.1 times (9%) higher than Iowa's.
Official Websites
United States official website · Iowa official website
More Size Comparisons
All United States size comparisons · All Iowa 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.