The map above shows Kentucky and Western Australia side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Kentucky vs Western Australia Geography
Land area
- Kentucky has a land area of 39,485 square miles (102,267 km²), while Western Australia has 975,685 square miles (2,527,013 km²).
- Western Australia's land area is 24.7 times larger than Kentucky's.
Total area
- Kentucky: 40,406 square miles (104,651 km²) vs Western Australia: 975,685 square miles (2,527,013 km²), including inland and coastal water.
- Western Australia's total area is 24.1 times larger than Kentucky's.
Length
- Kentucky is 257 miles (414 km) long from north to south; Western Australia is 1,590 miles (2,558 km).
- Western Australia's north-south length is 6.2 times (519%) longer than Kentucky's.
Width
- Kentucky spans 418 miles (672 km) east to west; Western Australia spans 1,286 miles (2,069 km).
- Western Australia's east-west width is 3.1 times (208%) wider than Kentucky's.
Highest point
- Kentucky's highest point is Black Mountain at 4,134 feet (1,260 m); Western Australia's is Mount Meharry at 4,098 feet (1,249 m).
- Black Mountain is 36 feet higher than Mount Meharry.
Lowest point
- Kentucky's lowest point is Mississippi River at 270 feet; Western Australia's is Indian Ocean at 0 feet.
- Western Australia's lowest point is 270 feet lower.
Kentucky vs Western Australia Population and History
Population
- Kentucky has a population of 4,588,372 (2024), while Western Australia has 3,061,672 (2025).
- Kentucky's population is 1.5 times (50%) larger than Western Australia's.
Population density
- Kentucky: 116.2 people per square mile vs Western Australia: 3.1.
- Kentucky's population density is 37.5 times higher than Western Australia's.
Largest metro area
- Kentucky's largest metropolitan area is Cincinnati, OH-KY-IN metro area (2,302,815 people) vs Western Australia's Greater Perth (2,452,765).
- Greater Perth's population is 1.1 times (7%) larger than Cincinnati, OH-KY-IN metro area's.
History
- Kentucky: Admitted to the Union on June 1, 1792, as the 15th state.
- Western Australia: Became an Australian state at Federation on January 1, 1901; founded as a colony in 1829.
- In its current form, Kentucky is the older of the two by 109 years.
Kentucky vs Western Australia Economy
GDP
- Kentucky's GDP is $295.4 billion (2024) vs Western Australia's $304.6 billion.
- Kentucky and Western Australia have about the same economic output.
GDP per capita
- Kentucky: $64,375 per person vs Western Australia: $99,488.
- Western Australia's GDP per capita is 1.5 times (55%) higher than Kentucky's.
Official Websites
Kentucky official website · Western Australia official website
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More Size Comparisons
All Kentucky 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.