The map above shows Washington and New South Wales side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Washington vs New South Wales Geography
Land area: Washington has a land area of 66,455 square miles (172,119 km²), while New South Wales has 309,130 square miles (800,642 km²). New South Wales' land area is 4.7 times (365%) larger than Washington's.
Total area: Washington: 71,301 square miles (184,668 km²) vs New South Wales: 309,130 square miles (800,642 km²), including inland and coastal water. New South Wales' total area is 4.3 times (334%) larger than Washington's.
Length: Washington is 238 miles (383 km) long from north to south; New South Wales is 678 miles (1,092 km). New South Wales' north-south length is 2.8 times (185%) longer than Washington's.
Width: Washington spans 399 miles (641 km) east to west; New South Wales spans 831 miles (1,338 km). New South Wales' east-west width is 2.1 times (108%) wider than Washington's.
Highest point: Washington's highest point is Mount Rainier at 14,409 feet (4,392 m); New South Wales's is Mount Kosciuszko at 7,310 feet (2,228 m). Mount Rainier is 7,099 feet higher than Mount Kosciuszko.
Lowest point: Washington's lowest point is Pacific Ocean at 0 feet; New South Wales's is Pacific Ocean at 0 feet. Both lowest points are at or near sea level.
Washington vs New South Wales Population and History
Population: Washington has a population of 7,958,180 (2024), while New South Wales has 8,624,534 (2025). New South Wales' population is 1.1 times (8%) larger than Washington's.
Population density: Washington: 119.8 people per square mile vs New South Wales: 27.9. Washington's population density is 4.3 times (329%) higher than New South Wales'.
Largest metro area: Washington's largest metropolitan area is Seattle-Tacoma-Bellevue, WA metro area (4,145,494 people) vs New South Wales's Greater Sydney (5,638,830). Greater Sydney's population is 1.4 times (36%) larger than Seattle-Tacoma-Bellevue, WA metro area's.
History: Washington: Admitted to the Union on November 11, 1889, as the 42nd state. New South Wales: Became an Australian state at Federation on January 1, 1901; founded as a colony in 1788. In its current form, Washington is the older of the two by 12 years.
Washington vs New South Wales Economy
GDP: Washington's GDP is $856.0 billion (2024) vs New South Wales's $547.1 billion. Washington's economic output is 1.6 times (56%) larger than New South Wales'.
GDP per capita: Washington: $107,564 per person vs New South Wales: $63,435. Washington's GDP per capita is 1.7 times (70%) higher than New South Wales'.
Official Websites
Washington official website · New South Wales official website
More Size Comparisons
All Washington 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.