The map above shows Montana and Tasmania side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Montana vs Tasmania Geography
Land area: Montana has a land area of 145,550 square miles (376,973 km²), while Tasmania has 26,410 square miles (68,401 km²). Montana's land area is 5.5 times (451%) larger than Tasmania's.
Total area: Montana: 147,043 square miles (380,840 km²) vs Tasmania: 26,410 square miles (68,401 km²), including inland and coastal water. Montana's total area is 5.6 times (457%) larger than Tasmania's.
Length: Montana is 319 miles (514 km) long from north to south; Tasmania is 318 miles (511 km). Montana and Tasmania have about the same north-south length.
Width: Montana spans 607 miles (976 km) east to west; Tasmania spans 248 miles (399 km). Montana's east-west width is 2.4 times (145%) wider than Tasmania's.
Highest point: Montana's highest point is Granite Peak at 12,767 feet (3,891 m); Tasmania's is Mount Ossa at 5,305 feet (1,617 m). Granite Peak is 7,462 feet higher than Mount Ossa.
Lowest point: Montana's lowest point is Kootenai River at 1,805 feet; Tasmania's is Southern Ocean at 0 feet. Tasmania's lowest point is 1,805 feet lower.
Montana vs Tasmania Population and History
Population: Montana has a population of 1,137,233 (2024), while Tasmania has 576,659 (2025). Montana's population is 2.0 times (97%) larger than Tasmania's.
Population density: Montana: 7.8 people per square mile vs Tasmania: 21.8. Tasmania's population density is 2.8 times (179%) higher than Montana's.
Largest metro area: Montana's largest metropolitan area is Billings, MT metro area (192,531 people) vs Tasmania's Greater Hobart (255,250). Greater Hobart's population is 1.3 times (33%) larger than Billings, MT metro area's.
History: Montana: Admitted to the Union on November 8, 1889, as the 41st state. Tasmania: Became an Australian state at Federation on January 1, 1901; founded as a colony in 1825. In its current form, Montana is the older of the two by 12 years.
Montana vs Tasmania Economy
GDP: Montana's GDP is $78.4 billion (2024) vs Tasmania's $28.3 billion. Montana's economic output is 2.8 times (177%) larger than Tasmania's.
GDP per capita: Montana: $68,975 per person vs Tasmania: $49,076. Montana's GDP per capita is 1.4 times (41%) higher than Tasmania's.
Official Websites
Montana official website · Tasmania official website
More Size Comparisons
All Montana 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.