The map above shows District of Columbia and Tasmania side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
District of Columbia vs Tasmania Geography
Land area: District of Columbia has a land area of 61 square miles (158 km²), while Tasmania has 26,410 square miles (68,401 km²). Tasmania's land area is 432.9 times larger than District of Columbia's.
Total area: District of Columbia: 68 square miles (177 km²) vs Tasmania: 26,410 square miles (68,401 km²), including inland and coastal water. Tasmania's total area is 386.4 times larger than District of Columbia's.
Length: District of Columbia is 13 miles (22 km) long from north to south; Tasmania is 318 miles (511 km). Tasmania's north-south length is 24.5 times longer than District of Columbia's.
Width: District of Columbia spans 12 miles (19 km) east to west; Tasmania spans 248 miles (399 km). Tasmania's east-west width is 20.7 times wider than District of Columbia's.
Highest point: District of Columbia's highest point is Fort Reno at 429 feet (131 m); Tasmania's is Mount Ossa at 5,305 feet (1,617 m). Mount Ossa is 4,876 feet higher than Fort Reno.
Lowest point: District of Columbia's lowest point is Potomac River at 0 feet; Tasmania's is Southern Ocean at 0 feet. Both lowest points are at or near sea level.
District of Columbia vs Tasmania Population and History
Population: District of Columbia has a population of 702,250 (2024), while Tasmania has 576,659 (2025). District of Columbia's population is 1.2 times (22%) larger than Tasmania's.
Population density: District of Columbia: 11,493.5 people per square mile vs Tasmania: 21.8. District of Columbia's population density is 527.2 times higher than Tasmania's.
Largest metro area: District of Columbia's largest metropolitan area is Washington-Arlington-Alexandria, DC-VA-MD-WV metro area (6,436,489 people) vs Tasmania's Greater Hobart (255,250). Washington-Arlington-Alexandria, DC-VA-MD-WV metro area's population is 25.2 times larger than Greater Hobart's.
History: District of Columbia: The federal district, established by the Residence Act on July 16, 1790; not a state. Tasmania: Became an Australian state at Federation on January 1, 1901; founded as a colony in 1825. In its current form, District of Columbia is the older of the two by 111 years.
District of Columbia vs Tasmania Economy
GDP: District of Columbia's GDP is $184.3 billion (2024) vs Tasmania's $28.3 billion. District of Columbia's economic output is 6.5 times (551%) larger than Tasmania's.
GDP per capita: District of Columbia: $262,439 per person vs Tasmania: $49,076. District of Columbia's GDP per capita is 5.3 times (435%) higher than Tasmania's.
Official Websites
District of Columbia official website · Tasmania official website
More Size Comparisons
All District of Columbia 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.