The map above shows Louisiana and Western Australia side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Louisiana vs Western Australia Geography
Land area: Louisiana has a land area of 43,213 square miles (111,921 km²), while Western Australia has 975,685 square miles (2,527,013 km²). Western Australia's land area is 22.6 times larger than Louisiana's.
Total area: Louisiana: 52,375 square miles (135,652 km²) vs Western Australia: 975,685 square miles (2,527,013 km²), including inland and coastal water. Western Australia's total area is 18.6 times larger than Louisiana's.
Length: Louisiana is 301 miles (484 km) long from north to south; Western Australia is 1,590 miles (2,558 km). Western Australia's north-south length is 5.3 times (428%) longer than Louisiana's.
Width: Louisiana spans 356 miles (574 km) east to west; Western Australia spans 1,286 miles (2,069 km). Western Australia's east-west width is 3.6 times (261%) wider than Louisiana's.
Highest point: Louisiana's highest point is Driskill Mountain at 533 feet (162 m); Western Australia's is Mount Meharry at 4,098 feet (1,249 m). Mount Meharry is 3,565 feet higher than Driskill Mountain.
Lowest point: Louisiana's lowest point is New Orleans at -8 feet; Western Australia's is Indian Ocean at 0 feet. Louisiana's lowest point is 8 feet lower.
Louisiana vs Western Australia Population and History
Population: Louisiana has a population of 4,597,740 (2024), while Western Australia has 3,061,672 (2025). Louisiana's population is 1.5 times (50%) larger than Western Australia's.
Population density: Louisiana: 106.4 people per square mile vs Western Australia: 3.1. Louisiana's population density is 34.3 times higher than Western Australia's.
Largest metro area: Louisiana's largest metropolitan area is New Orleans-Metairie, LA metro area (966,230 people) vs Western Australia's Greater Perth (2,452,765). Greater Perth's population is 2.5 times (154%) larger than New Orleans-Metairie, LA metro area's.
History: Louisiana: Admitted to the Union on April 30, 1812, as the 18th state. Western Australia: Became an Australian state at Federation on January 1, 1901; founded as a colony in 1829. In its current form, Louisiana is the older of the two by 89 years.
Louisiana vs Western Australia Economy
GDP: Louisiana's GDP is $329.2 billion (2024) vs Western Australia's $304.6 billion. Louisiana's economic output is 1.1 times (8%) larger than Western Australia's.
GDP per capita: Louisiana: $71,594 per person vs Western Australia: $99,488. Western Australia's GDP per capita is 1.4 times (39%) higher than Louisiana's.
Official Websites
Louisiana official website · Western Australia official website
More Size Comparisons
All Louisiana size comparisons · All Western Australia 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.