The map above shows Louisiana and New South Wales side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Louisiana vs New South Wales Geography
Land area: Louisiana has a land area of 43,213 square miles (111,921 km²), while New South Wales has 309,130 square miles (800,642 km²). New South Wales' land area is 7.2 times (615%) larger than Louisiana's.
Total area: Louisiana: 52,375 square miles (135,652 km²) vs New South Wales: 309,130 square miles (800,642 km²), including inland and coastal water. New South Wales' total area is 5.9 times (490%) larger than Louisiana's.
Length: Louisiana is 301 miles (484 km) long from north to south; New South Wales is 678 miles (1,092 km). New South Wales' north-south length is 2.3 times (125%) longer than Louisiana's.
Width: Louisiana spans 356 miles (574 km) east to west; New South Wales spans 831 miles (1,338 km). New South Wales' east-west width is 2.3 times (133%) wider than Louisiana's.
Highest point: Louisiana's highest point is Driskill Mountain at 533 feet (162 m); New South Wales's is Mount Kosciuszko at 7,310 feet (2,228 m). Mount Kosciuszko is 6,777 feet higher than Driskill Mountain.
Lowest point: Louisiana's lowest point is New Orleans at -8 feet; New South Wales's is Pacific Ocean at 0 feet. Louisiana's lowest point is 8 feet lower.
Louisiana vs New South Wales Population and History
Population: Louisiana has a population of 4,597,740 (2024), while New South Wales has 8,624,534 (2025). New South Wales' population is 1.9 times (88%) larger than Louisiana's.
Population density: Louisiana: 106.4 people per square mile vs New South Wales: 27.9. Louisiana's population density is 3.8 times (281%) higher than New South Wales'.
Largest metro area: Louisiana's largest metropolitan area is New Orleans-Metairie, LA metro area (966,230 people) vs New South Wales's Greater Sydney (5,638,830). Greater Sydney's population is 5.8 times (484%) larger than New Orleans-Metairie, LA metro area's.
History: Louisiana: Admitted to the Union on April 30, 1812, as the 18th state. New South Wales: Became an Australian state at Federation on January 1, 1901; founded as a colony in 1788. In its current form, Louisiana is the older of the two by 89 years.
Louisiana vs New South Wales Economy
GDP: Louisiana's GDP is $329.2 billion (2024) vs New South Wales's $547.1 billion. New South Wales' economic output is 1.7 times (66%) larger than Louisiana's.
GDP per capita: Louisiana: $71,594 per person vs New South Wales: $63,435. Louisiana's GDP per capita is 1.1 times (13%) higher than New South Wales'.
Official Websites
Louisiana official website · New South Wales official website
More Size Comparisons
All Louisiana 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.