The map above shows Idaho and Spain side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Idaho vs Spain Geography
Land area
- Idaho has a land area of 82,645 square miles (214,051 km²), while Spain has 192,657 square miles (498,980 km²).
- Spain's land area is 2.3 times (133%) larger than Idaho's.
Total area
- Idaho: 83,569 square miles (216,441 km²) vs Spain: 195,364 square miles (505,990 km²), including inland and coastal water.
- Spain's total area is 2.3 times (134%) larger than Idaho's.
Length
- Idaho is 483 miles (778 km) long from north to south; Spain is 546 miles (879 km).
- Spain's north-south length is 1.1 times (13%) longer than Idaho's.
Width
- Idaho spans 352 miles (566 km) east to west; Spain spans 697 miles (1,122 km).
- Spain's east-west width is 2.0 times (98%) wider than Idaho's.
Highest point
- Idaho's highest point is Borah Peak at 12,631 feet (3,850 m); Spain's is Teide (Tenerife) at 12,188 feet (3,715 m).
- Borah Peak is 443 feet higher than Teide (Tenerife).
Lowest point
- Idaho's lowest point is Snake River at 718 feet; Spain's is Atlantic Ocean at 0 feet.
- Spain's lowest point is 718 feet lower.
Idaho vs Spain Population and History
Population
- Idaho has a population of 2,001,619 (2024), while Spain has 49,801,559 (2026).
- Spain's population is 24.9 times larger than Idaho's.
Population density
- Idaho: 24.2 people per square mile vs Spain: 258.5.
- Spain's population density is 10.7 times higher than Idaho's.
Biggest city
- Idaho's biggest city is Boise with 237,963 people; Spain's is Madrid with 3,266,126.
- Madrid's population is 13.7 times larger than Boise's.
Largest metro area
- Idaho's largest metropolitan area is Boise City, ID metro area (845,877 people) vs Spain's Madrid (6,497,000).
- Madrid's population is 7.7 times (668%) larger than Boise City, ID metro area's.
History
- Idaho: Admitted to the Union on July 3, 1890, as the 43rd 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 411 years.
Idaho vs Spain Economy
GDP
- Idaho's GDP is $129.0 billion (2024) vs Spain's $1,906.5 billion.
- Spain's economic output is 14.8 times larger than Idaho's.
GDP per capita
- Idaho: $64,457 per person vs Spain: $38,627.
- Idaho's GDP per capita is 1.7 times (67%) higher than Spain's.
Average income
- Idaho: $62,323 vs Spain: $37,120 average income per person (per capita personal income).
- Idaho's average income is 1.7 times (68%) higher than Spain's.
Official Websites
Idaho official website · Spain official website
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More Size Comparisons
All Idaho 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.