The map above shows Idaho and Wales side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Idaho vs Wales Geography
Land area: Idaho has a land area of 82,645 square miles (214,051 km²), while Wales has 8,023 square miles (20,779 km²). Idaho's land area is 10.3 times larger than Wales'.
Total area: Idaho: 83,569 square miles (216,441 km²) vs Wales: 8,023 square miles (20,779 km²), including inland and coastal water. Idaho's total area is 10.4 times larger than Wales'.
Length: Idaho is 483 miles (778 km) long from north to south; Wales is 149 miles (239 km). Idaho's north-south length is 3.2 times (224%) longer than Wales'.
Width: Idaho spans 352 miles (566 km) east to west; Wales spans 111 miles (179 km). Idaho's east-west width is 3.2 times (217%) wider than Wales'.
Highest point: Idaho's highest point is Borah Peak at 12,631 feet (3,850 m); Wales's is Snowdon (Yr Wyddfa) at 3,560 feet (1,085 m). Borah Peak is 9,071 feet higher than Snowdon (Yr Wyddfa).
Lowest point: Idaho's lowest point is Snake River at 718 feet; Wales's is Irish Sea at 0 feet. Wales's lowest point is 718 feet lower.
Idaho vs Wales Population and History
Population: Idaho has a population of 2,001,619 (2024), while Wales has 3,105,000 (2022). Wales' population is 1.6 times (55%) larger than Idaho's.
Population density: Idaho: 24.2 people per square mile vs Wales: 387.0. Wales' population density is 16.0 times higher than Idaho's.
Biggest city: Idaho's biggest city is Boise with 237,963 people; Wales's is Cardiff with 372,089. Cardiff's population is 1.6 times (56%) larger than Boise's.
History: Idaho: Admitted to the Union on July 3, 1890, as the 43rd state. Wales: A country within the United Kingdom; formally joined with England by the Laws in Wales Acts of 1536. In its current form, Wales is the older of the two by 354 years.
Idaho vs Wales Economy
GDP: Idaho's GDP is $129.0 billion (2024) vs Wales's $89.5 billion. Idaho's economic output is 1.4 times (44%) larger than Wales'.
GDP per capita: Idaho: $64,457 per person vs Wales: $28,606. Idaho's GDP per capita is 2.3 times (125%) higher than Wales'.
Official Websites
Idaho official website · Wales official website
More Size Comparisons
All Idaho size comparisons · All Wales 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.