The map above shows Iowa and Spain side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Iowa vs Spain Geography
Land area: Iowa has a land area of 55,854 square miles (144,660 km²), while Spain has 192,657 square miles (498,980 km²). Spain's land area is 3.4 times (245%) larger than Iowa's.
Total area: Iowa: 56,273 square miles (145,746 km²) vs Spain: 195,364 square miles (505,990 km²), including inland and coastal water. Spain's total area is 3.5 times (247%) larger than Iowa's.
Length: Iowa is 216 miles (347 km) long from north to south; Spain is 546 miles (879 km). Spain's north-south length is 2.5 times (153%) longer than Iowa's.
Width: Iowa spans 335 miles (539 km) east to west; Spain spans 697 miles (1,122 km). Spain's east-west width is 2.1 times (108%) wider than Iowa's.
Highest point: Iowa's highest point is Hawkeye Point at 1,669 feet (509 m); Spain's is Teide (Tenerife) at 12,188 feet (3,715 m). Teide (Tenerife) is 10,519 feet higher than Hawkeye Point.
Lowest point: Iowa's lowest point is Mississippi River at 480 feet; Spain's is Atlantic Ocean at 0 feet. Spain's lowest point is 480 feet lower.
Iowa vs Spain Population and History
Population: Iowa has a population of 3,241,488 (2024), while Spain has 49,801,559 (2026). Spain's population is 15.4 times larger than Iowa's.
Population density: Iowa: 58.0 people per square mile vs Spain: 258.5. Spain's population density is 4.5 times (346%) higher than Iowa's.
Biggest city: Iowa's biggest city is Des Moines with 213,096 people; Spain's is Madrid with 3,266,126. Madrid's population is 15.3 times larger than Des Moines'.
Largest metro area: Iowa's largest metropolitan area is Omaha, NE-IA metro area (1,001,010 people) vs Spain's Madrid (6,497,000). Madrid's population is 6.5 times (549%) larger than Omaha, NE-IA metro area's.
History: Iowa: Admitted to the Union on December 28, 1846, as the 29th state. Spain: A unified kingdom since 1479; the current constitution dates from 1978. In its current form, Spain is the older of the two by 367 years.
Iowa vs Spain Economy
GDP: Iowa's GDP is $265.8 billion (2024) vs Spain's $1,906.5 billion. Spain's economic output is 7.2 times (617%) larger than Iowa's.
GDP per capita: Iowa: $81,998 per person vs Spain: $38,627. Iowa's GDP per capita is 2.1 times (112%) higher than Spain's.
Average income: Iowa: $65,225 vs Spain: $37,120 average income per person (per capita personal income). Iowa's average income is 1.8 times (76%) higher than Spain's.
Official Websites
Iowa official website · Spain official website
More Size Comparisons
All Iowa size comparisons · All Spain 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.