The map above shows California and Tasmania side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
California vs Tasmania Geography
Land area: California has a land area of 155,859 square miles (403,673 km²), while Tasmania has 26,410 square miles (68,401 km²). California's land area is 5.9 times (490%) larger than Tasmania's.
Total area: California: 163,694 square miles (423,965 km²) vs Tasmania: 26,410 square miles (68,401 km²), including inland and coastal water. California's total area is 6.2 times (520%) larger than Tasmania's.
Length: California is 761 miles (1,224 km) long from north to south; Tasmania is 318 miles (511 km). California's north-south length is 2.4 times (139%) longer than Tasmania's.
Width: California spans 706 miles (1,137 km) east to west; Tasmania spans 248 miles (399 km). California's east-west width is 2.8 times (185%) wider than Tasmania's.
Highest point: California's highest point is Mount Whitney at 14,484 feet (4,415 m); Tasmania's is Mount Ossa at 5,305 feet (1,617 m). Mount Whitney is 9,179 feet higher than Mount Ossa.
Lowest point: California's lowest point is Death Valley at -279 feet; Tasmania's is Southern Ocean at 0 feet. California's lowest point is 279 feet lower.
California vs Tasmania Population and History
Population: California has a population of 39,431,263 (2024), while Tasmania has 576,659 (2025). California's population is 68.4 times larger than Tasmania's.
Population density: California: 253.0 people per square mile vs Tasmania: 21.8. California's population density is 11.6 times higher than Tasmania's.
Largest metro area: California's largest metropolitan area is Los Angeles-Long Beach-Anaheim, CA metro area (12,927,614 people) vs Tasmania's Greater Hobart (255,250). Los Angeles-Long Beach-Anaheim, CA metro area's population is 50.6 times larger than Greater Hobart's.
History: California: Admitted to the Union on September 9, 1850, as the 31st state. Tasmania: Became an Australian state at Federation on January 1, 1901; founded as a colony in 1825. In its current form, California is the older of the two by 51 years.
California vs Tasmania Economy
GDP: California's GDP is $4,048.1 billion (2024) vs Tasmania's $28.3 billion. California's economic output is 143.0 times larger than Tasmania's.
GDP per capita: California: $102,662 per person vs Tasmania: $49,076. California's GDP per capita is 2.1 times (109%) higher than Tasmania's.
Official Websites
California official website · Tasmania official website
More Size Comparisons
All California 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.