The map above shows New Jersey and Tasmania side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
New Jersey vs Tasmania Geography
Land area: New Jersey has a land area of 7,355 square miles (19,049 km²), while Tasmania has 26,410 square miles (68,401 km²). Tasmania's land area is 3.6 times (259%) larger than New Jersey's.
Total area: New Jersey: 8,719 square miles (22,583 km²) vs Tasmania: 26,410 square miles (68,401 km²), including inland and coastal water. Tasmania's total area is 3.0 times (203%) larger than New Jersey's.
Length: New Jersey is 169 miles (271 km) long from north to south; Tasmania is 318 miles (511 km). Tasmania's north-south length is 1.9 times (88%) longer than New Jersey's.
Width: New Jersey spans 129 miles (207 km) east to west; Tasmania spans 248 miles (399 km). Tasmania's east-west width is 1.9 times (92%) wider than New Jersey's.
Highest point: New Jersey's highest point is High Point at 1,798 feet (548 m); Tasmania's is Mount Ossa at 5,305 feet (1,617 m). Mount Ossa is 3,507 feet higher than High Point.
Lowest point: New Jersey'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.
New Jersey vs Tasmania Population and History
Population: New Jersey has a population of 9,500,851 (2024), while Tasmania has 576,659 (2025). New Jersey's population is 16.5 times larger than Tasmania's.
Population density: New Jersey: 1,291.8 people per square mile vs Tasmania: 21.8. New Jersey's population density is 59.3 times higher than Tasmania's.
Largest metro area: New Jersey's largest metropolitan area is New York-Newark-Jersey City, NY-NJ metro area (19,940,274 people) vs Tasmania's Greater Hobart (255,250). New York-Newark-Jersey City, NY-NJ metro area's population is 78.1 times larger than Greater Hobart's.
History: New Jersey: Admitted to the Union on December 18, 1787, as the 3rd state. Tasmania: Became an Australian state at Federation on January 1, 1901; founded as a colony in 1825. In its current form, New Jersey is the older of the two by 114 years.
New Jersey vs Tasmania Economy
GDP: New Jersey's GDP is $846.0 billion (2024) vs Tasmania's $28.3 billion. New Jersey's economic output is 29.9 times larger than Tasmania's.
GDP per capita: New Jersey: $89,045 per person vs Tasmania: $49,076. New Jersey's GDP per capita is 1.8 times (81%) higher than Tasmania's.
Official Websites
New Jersey official website · Tasmania official website
More Size Comparisons
All New Jersey 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.