The map above shows Mississippi and Western Australia side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Mississippi vs Western Australia Geography
Land area
- Mississippi has a land area of 46,925 square miles (121,534 km²), while Western Australia has 975,685 square miles (2,527,013 km²).
- Western Australia's land area is 20.8 times larger than Mississippi's.
Total area
- Mississippi: 48,436 square miles (125,448 km²) vs Western Australia: 975,685 square miles (2,527,013 km²), including inland and coastal water.
- Western Australia's total area is 20.1 times larger than Mississippi's.
Length
- Mississippi is 337 miles (542 km) long from north to south; Western Australia is 1,590 miles (2,558 km).
- Western Australia's north-south length is 4.7 times (372%) longer than Mississippi's.
Width
- Mississippi spans 340 miles (547 km) east to west; Western Australia spans 1,286 miles (2,069 km).
- Western Australia's east-west width is 3.8 times (278%) wider than Mississippi's.
Highest point
- Mississippi's highest point is Woodall Mountain at 805 feet (245 m); Western Australia's is Mount Meharry at 4,098 feet (1,249 m).
- Mount Meharry is 3,293 feet higher than Woodall Mountain.
Lowest point
- Mississippi's lowest point is Gulf of Mexico at 0 feet; Western Australia's is Indian Ocean at 0 feet.
- Both lowest points are at or near sea level.
Mississippi vs Western Australia Population and History
Population
- Mississippi has a population of 2,943,045 (2024), while Western Australia has 3,061,672 (2025).
- Mississippi and Western Australia have about the same population.
Population density
- Mississippi: 62.7 people per square mile vs Western Australia: 3.1.
- Mississippi's population density is 20.2 times higher than Western Australia's.
Largest metro area
- Mississippi's largest metropolitan area is Memphis, TN-MS-AR metro area (1,339,345 people) vs Western Australia's Greater Perth (2,452,765).
- Greater Perth's population is 1.8 times (83%) larger than Memphis, TN-MS-AR metro area's.
History
- Mississippi: Admitted to the Union on December 10, 1817, as the 20th state.
- Western Australia: Became an Australian state at Federation on January 1, 1901; founded as a colony in 1829.
- In its current form, Mississippi is the older of the two by 84 years.
Mississippi vs Western Australia Economy
GDP
- Mississippi's GDP is $158.2 billion (2024) vs Western Australia's $304.6 billion.
- Western Australia's economic output is 1.9 times (93%) larger than Mississippi's.
GDP per capita
- Mississippi: $53,751 per person vs Western Australia: $99,488.
- Western Australia's GDP per capita is 1.9 times (85%) higher than Mississippi's.
Official Websites
Mississippi official website · Western Australia official website
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More Size Comparisons
All Mississippi 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.