The map above shows District of Columbia and New South Wales side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
District of Columbia vs New South Wales Geography
Land area: District of Columbia has a land area of 61 square miles (158 km²), while New South Wales has 309,130 square miles (800,642 km²). New South Wales' land area is 5,067.4 times larger than District of Columbia's.
Total area: District of Columbia: 68 square miles (177 km²) vs New South Wales: 309,130 square miles (800,642 km²), including inland and coastal water. New South Wales' total area is 4,523.4 times larger than District of Columbia's.
Length: District of Columbia is 13 miles (22 km) long from north to south; New South Wales is 678 miles (1,092 km). New South Wales' north-south length is 52.2 times longer than District of Columbia's.
Width: District of Columbia spans 12 miles (19 km) east to west; New South Wales spans 831 miles (1,338 km). New South Wales' east-west width is 69.3 times wider than District of Columbia's.
Highest point: District of Columbia's highest point is Fort Reno at 429 feet (131 m); New South Wales's is Mount Kosciuszko at 7,310 feet (2,228 m). Mount Kosciuszko is 6,881 feet higher than Fort Reno.
Lowest point: District of Columbia's lowest point is Potomac River at 0 feet; New South Wales's is Pacific Ocean at 0 feet. Both lowest points are at or near sea level.
District of Columbia vs New South Wales Population and History
Population: District of Columbia has a population of 702,250 (2024), while New South Wales has 8,624,534 (2025). New South Wales' population is 12.3 times larger than District of Columbia's.
Population density: District of Columbia: 11,493.5 people per square mile vs New South Wales: 27.9. District of Columbia's population density is 412.0 times higher than New South Wales'.
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 New South Wales's Greater Sydney (5,638,830). Washington-Arlington-Alexandria, DC-VA-MD-WV metro area's population is 1.1 times (14%) larger than Greater Sydney's.
History: District of Columbia: The federal district, established by the Residence Act on July 16, 1790; not a state. New South Wales: Became an Australian state at Federation on January 1, 1901; founded as a colony in 1788. In its current form, District of Columbia is the older of the two by 111 years.
District of Columbia vs New South Wales Economy
GDP: District of Columbia's GDP is $184.3 billion (2024) vs New South Wales's $547.1 billion. New South Wales' economic output is 3.0 times (197%) larger than District of Columbia's.
GDP per capita: District of Columbia: $262,439 per person vs New South Wales: $63,435. District of Columbia's GDP per capita is 4.1 times (314%) higher than New South Wales'.
Official Websites
District of Columbia official website · New South Wales official website
More Size Comparisons
All District of Columbia size comparisons · All New South Wales 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.