The map above shows Iowa and Western Australia side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Iowa vs Western Australia Geography
Land area: Iowa has a land area of 55,854 square miles (144,660 km²), while Western Australia has 975,685 square miles (2,527,013 km²). Western Australia's land area is 17.5 times larger than Iowa's.
Total area: Iowa: 56,273 square miles (145,746 km²) vs Western Australia: 975,685 square miles (2,527,013 km²), including inland and coastal water. Western Australia's total area is 17.3 times larger than Iowa's.
Length: Iowa is 216 miles (347 km) long from north to south; Western Australia is 1,590 miles (2,558 km). Western Australia's north-south length is 7.4 times (636%) longer than Iowa's.
Width: Iowa spans 335 miles (539 km) east to west; Western Australia spans 1,286 miles (2,069 km). Western Australia's east-west width is 3.8 times (284%) wider than Iowa's.
Highest point: Iowa's highest point is Hawkeye Point at 1,669 feet (509 m); Western Australia's is Mount Meharry at 4,098 feet (1,249 m). Mount Meharry is 2,429 feet higher than Hawkeye Point.
Lowest point: Iowa's lowest point is Mississippi River at 480 feet; Western Australia's is Indian Ocean at 0 feet. Western Australia's lowest point is 480 feet lower.
Iowa vs Western Australia Population and History
Population: Iowa has a population of 3,241,488 (2024), while Western Australia has 3,061,672 (2025). Iowa's population is 1.1 times (6%) larger than Western Australia's.
Population density: Iowa: 58.0 people per square mile vs Western Australia: 3.1. Iowa's population density is 18.7 times higher than Western Australia's.
Largest metro area: Iowa's largest metropolitan area is Omaha, NE-IA metro area (1,001,010 people) vs Western Australia's Greater Perth (2,452,765). Greater Perth's population is 2.5 times (145%) larger than Omaha, NE-IA metro area's.
History: Iowa: Admitted to the Union on December 28, 1846, as the 29th state. Western Australia: Became an Australian state at Federation on January 1, 1901; founded as a colony in 1829. In its current form, Iowa is the older of the two by 55 years.
Iowa vs Western Australia Economy
GDP: Iowa's GDP is $265.8 billion (2024) vs Western Australia's $304.6 billion. Western Australia's economic output is 1.1 times (15%) larger than Iowa's.
GDP per capita: Iowa: $81,998 per person vs Western Australia: $99,488. Western Australia's GDP per capita is 1.2 times (21%) higher than Iowa's.
Official Websites
Iowa official website · Western Australia official website
More Size Comparisons
All Iowa 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.