The map above shows Indiana and Western Australia side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Indiana vs Western Australia Geography
Land area
- Indiana has a land area of 35,825 square miles (92,787 km²), while Western Australia has 975,685 square miles (2,527,013 km²).
- Western Australia's land area is 27.2 times larger than Indiana's.
Total area
- Indiana: 36,421 square miles (94,331 km²) vs Western Australia: 975,685 square miles (2,527,013 km²), including inland and coastal water.
- Western Australia's total area is 26.8 times larger than Indiana's.
Length
- Indiana is 276 miles (444 km) long from north to south; Western Australia is 1,590 miles (2,558 km).
- Western Australia's north-south length is 5.8 times (476%) longer than Indiana's.
Width
- Indiana spans 193 miles (310 km) east to west; Western Australia spans 1,286 miles (2,069 km).
- Western Australia's east-west width is 6.7 times (566%) wider than Indiana's.
Highest point
- Indiana's highest point is Hoosier Hill at 1,255 feet (383 m); Western Australia's is Mount Meharry at 4,098 feet (1,249 m).
- Mount Meharry is 2,843 feet higher than Hoosier Hill.
Lowest point
- Indiana's lowest point is Ohio River at 330 feet; Western Australia's is Indian Ocean at 0 feet.
- Western Australia's lowest point is 330 feet lower.
Indiana vs Western Australia Population and History
Population
- Indiana has a population of 6,924,275 (2024), while Western Australia has 3,061,672 (2025).
- Indiana's population is 2.3 times (126%) larger than Western Australia's.
Population density
- Indiana: 193.3 people per square mile vs Western Australia: 3.1.
- Indiana's population density is 62.4 times higher than Western Australia's.
Largest metro area
- Indiana's largest metropolitan area is Chicago-Naperville-Elgin, IL-IN metro area (9,408,576 people) vs Western Australia's Greater Perth (2,452,765).
- Chicago-Naperville-Elgin, IL-IN metro area's population is 3.8 times (284%) larger than Greater Perth's.
History
- Indiana: Admitted to the Union on December 11, 1816, as the 19th state.
- Western Australia: Became an Australian state at Federation on January 1, 1901; founded as a colony in 1829.
- In its current form, Indiana is the older of the two by 85 years.
Indiana vs Western Australia Economy
GDP
- Indiana's GDP is $519.5 billion (2024) vs Western Australia's $304.6 billion.
- Indiana's economic output is 1.7 times (71%) larger than Western Australia's.
GDP per capita
- Indiana: $75,028 per person vs Western Australia: $99,488.
- Western Australia's GDP per capita is 1.3 times (33%) higher than Indiana's.
Official Websites
Indiana official website · Western Australia official website
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More Size Comparisons
All Indiana 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.