The map above shows Ohio and Tasmania side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Ohio vs Tasmania Geography
Land area: Ohio has a land area of 40,859 square miles (105,824 km²), while Tasmania has 26,410 square miles (68,401 km²). Ohio's land area is 1.5 times (55%) larger than Tasmania's.
Total area: Ohio: 44,826 square miles (116,098 km²) vs Tasmania: 26,410 square miles (68,401 km²), including inland and coastal water. Ohio's total area is 1.7 times (70%) larger than Tasmania's.
Length: Ohio is 291 miles (468 km) long from north to south; Tasmania is 318 miles (511 km). Tasmania's north-south length is 1.1 times (9%) longer than Ohio's.
Width: Ohio spans 317 miles (510 km) east to west; Tasmania spans 248 miles (399 km). Ohio's east-west width is 1.3 times (28%) wider than Tasmania's.
Highest point: Ohio's highest point is Campbell Hill at 1,547 feet (472 m); Tasmania's is Mount Ossa at 5,305 feet (1,617 m). Mount Ossa is 3,758 feet higher than Campbell Hill.
Lowest point: Ohio's lowest point is Ohio River at 455 feet; Tasmania's is Southern Ocean at 0 feet. Tasmania's lowest point is 455 feet lower.
Ohio vs Tasmania Population and History
Population: Ohio has a population of 11,883,304 (2024), while Tasmania has 576,659 (2025). Ohio's population is 20.6 times larger than Tasmania's.
Population density: Ohio: 290.8 people per square mile vs Tasmania: 21.8. Ohio's population density is 13.3 times higher than Tasmania's.
Largest metro area: Ohio's largest metropolitan area is Cincinnati, OH-KY-IN metro area (2,302,815 people) vs Tasmania's Greater Hobart (255,250). Cincinnati, OH-KY-IN metro area's population is 9.0 times (802%) larger than Greater Hobart's.
History: Ohio: Admitted to the Union on March 1, 1803, as the 17th state. Tasmania: Became an Australian state at Federation on January 1, 1901; founded as a colony in 1825. In its current form, Ohio is the older of the two by 98 years.
Ohio vs Tasmania Economy
GDP: Ohio's GDP is $923.1 billion (2024) vs Tasmania's $28.3 billion. Ohio's economic output is 32.6 times larger than Tasmania's.
GDP per capita: Ohio: $77,684 per person vs Tasmania: $49,076. Ohio's GDP per capita is 1.6 times (58%) higher than Tasmania's.
Official Websites
Ohio official website · Tasmania official website
More Size Comparisons
All Ohio 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.