The map above shows Idaho and Tasmania side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Idaho vs Tasmania Geography
Land area: Idaho has a land area of 82,645 square miles (214,051 km²), while Tasmania has 26,410 square miles (68,401 km²). Idaho's land area is 3.1 times (213%) larger than Tasmania's.
Total area: Idaho: 83,569 square miles (216,441 km²) vs Tasmania: 26,410 square miles (68,401 km²), including inland and coastal water. Idaho's total area is 3.2 times (216%) larger than Tasmania's.
Length: Idaho is 483 miles (778 km) long from north to south; Tasmania is 318 miles (511 km). Idaho's north-south length is 1.5 times (52%) longer than Tasmania's.
Width: Idaho spans 352 miles (566 km) east to west; Tasmania spans 248 miles (399 km). Idaho's east-west width is 1.4 times (42%) wider than Tasmania's.
Highest point: Idaho's highest point is Borah Peak at 12,631 feet (3,850 m); Tasmania's is Mount Ossa at 5,305 feet (1,617 m). Borah Peak is 7,326 feet higher than Mount Ossa.
Lowest point: Idaho's lowest point is Snake River at 718 feet; Tasmania's is Southern Ocean at 0 feet. Tasmania's lowest point is 718 feet lower.
Idaho vs Tasmania Population and History
Population: Idaho has a population of 2,001,619 (2024), while Tasmania has 576,659 (2025). Idaho's population is 3.5 times (247%) larger than Tasmania's.
Population density: Idaho: 24.2 people per square mile vs Tasmania: 21.8. Idaho's population density is 1.1 times (11%) higher than Tasmania's.
Largest metro area: Idaho's largest metropolitan area is Boise City, ID metro area (845,877 people) vs Tasmania's Greater Hobart (255,250). Boise City, ID metro area's population is 3.3 times (231%) larger than Greater Hobart's.
History: Idaho: Admitted to the Union on July 3, 1890, as the 43rd state. Tasmania: Became an Australian state at Federation on January 1, 1901; founded as a colony in 1825. In its current form, Idaho is the older of the two by 11 years.
Idaho vs Tasmania Economy
GDP: Idaho's GDP is $129.0 billion (2024) vs Tasmania's $28.3 billion. Idaho's economic output is 4.6 times (356%) larger than Tasmania's.
GDP per capita: Idaho: $64,457 per person vs Tasmania: $49,076. Idaho's GDP per capita is 1.3 times (31%) higher than Tasmania's.
Official Websites
Idaho official website · Tasmania official website
More Size Comparisons
All Idaho size comparisons · All Tasmania 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.