The map above shows Idaho and Victoria side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Idaho vs Victoria Geography
Land area: Idaho has a land area of 82,645 square miles (214,051 km²), while Victoria has 87,806 square miles (227,416 km²). Victoria's land area is 1.1 times (6%) larger than Idaho's.
Total area: Idaho: 83,569 square miles (216,441 km²) vs Victoria: 87,806 square miles (227,416 km²), including inland and coastal water. Victoria's total area is 1.1 times (5%) larger than Idaho's.
Length: Idaho is 483 miles (778 km) long from north to south; Victoria is 466 miles (751 km). Idaho and Victoria have about the same north-south length.
Width: Idaho spans 352 miles (566 km) east to west; Victoria spans 558 miles (897 km). Victoria's east-west width is 1.6 times (59%) wider than Idaho's.
Highest point: Idaho's highest point is Borah Peak at 12,631 feet (3,850 m); Victoria's is Mount Bogong at 6,516 feet (1,986 m). Borah Peak is 6,115 feet higher than Mount Bogong.
Lowest point: Idaho's lowest point is Snake River at 718 feet; Victoria's is Southern Ocean at 0 feet. Victoria's lowest point is 718 feet lower.
Idaho vs Victoria Population and History
Population: Idaho has a population of 2,001,619 (2024), while Victoria has 7,104,349 (2025). Victoria's population is 3.5 times (255%) larger than Idaho's.
Population density: Idaho: 24.2 people per square mile vs Victoria: 80.9. Victoria's population density is 3.3 times (234%) higher than Idaho's.
Largest metro area: Idaho's largest metropolitan area is Boise City, ID metro area (845,877 people) vs Victoria's Greater Melbourne (5,435,590). Greater Melbourne's population is 6.4 times (543%) larger than Boise City, ID metro area's.
History: Idaho: Admitted to the Union on July 3, 1890, as the 43rd state. Victoria: Became an Australian state at Federation on January 1, 1901; separated from New South Wales in 1851. In its current form, Idaho is the older of the two by 11 years.
Idaho vs Victoria Economy
GDP: Idaho's GDP is $129.0 billion (2024) vs Victoria's $406.1 billion. Victoria's economic output is 3.1 times (215%) larger than Idaho's.
GDP per capita: Idaho: $64,457 per person vs Victoria: $57,162. Idaho's GDP per capita is 1.1 times (13%) higher than Victoria's.
Official Websites
Idaho official website · Victoria official website
More Size Comparisons
All Idaho size comparisons · All Victoria 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.