The map above shows Massachusetts and Tasmania side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Massachusetts vs Tasmania Geography
Land area: Massachusetts has a land area of 7,801 square miles (20,204 km²), while Tasmania has 26,410 square miles (68,401 km²). Tasmania's land area is 3.4 times (239%) larger than Massachusetts'.
Total area: Massachusetts: 10,554 square miles (27,335 km²) vs Tasmania: 26,410 square miles (68,401 km²), including inland and coastal water. Tasmania's total area is 2.5 times (150%) larger than Massachusetts'.
Length: Massachusetts is 123 miles (198 km) long from north to south; Tasmania is 318 miles (511 km). Tasmania's north-south length is 2.6 times (159%) longer than Massachusetts'.
Width: Massachusetts spans 185 miles (297 km) east to west; Tasmania spans 248 miles (399 km). Tasmania's east-west width is 1.3 times (34%) wider than Massachusetts'.
Highest point: Massachusetts's highest point is Mount Greylock at 3,489 feet (1,063 m); Tasmania's is Mount Ossa at 5,305 feet (1,617 m). Mount Ossa is 1,816 feet higher than Mount Greylock.
Lowest point: Massachusetts's lowest point is Atlantic Ocean at 0 feet; Tasmania's is Southern Ocean at 0 feet. Both lowest points are at or near sea level.
Massachusetts vs Tasmania Population and History
Population: Massachusetts has a population of 7,136,171 (2024), while Tasmania has 576,659 (2025). Massachusetts' population is 12.4 times larger than Tasmania's.
Population density: Massachusetts: 914.8 people per square mile vs Tasmania: 21.8. Massachusetts' population density is 42.0 times higher than Tasmania's.
Largest metro area: Massachusetts's largest metropolitan area is Boston-Cambridge-Newton, MA-NH metro area (5,025,517 people) vs Tasmania's Greater Hobart (255,250). Boston-Cambridge-Newton, MA-NH metro area's population is 19.7 times larger than Greater Hobart's.
History: Massachusetts: Admitted to the Union on February 6, 1788, as the 6th state. Tasmania: Became an Australian state at Federation on January 1, 1901; founded as a colony in 1825. In its current form, Massachusetts is the older of the two by 113 years.
Massachusetts vs Tasmania Economy
GDP: Massachusetts's GDP is $778.5 billion (2024) vs Tasmania's $28.3 billion. Massachusetts' economic output is 27.5 times larger than Tasmania's.
GDP per capita: Massachusetts: $109,095 per person vs Tasmania: $49,076. Massachusetts' GDP per capita is 2.2 times (122%) higher than Tasmania's.
Official Websites
Massachusetts official website · Tasmania official website
More Size Comparisons
All Massachusetts 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.