The map above shows Maryland and Western Australia side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Maryland vs Western Australia Geography
Land area: Maryland has a land area of 9,711 square miles (25,151 km²), while Western Australia has 975,685 square miles (2,527,013 km²). Western Australia's land area is 100.5 times larger than Maryland's.
Total area: Maryland: 12,406 square miles (32,131 km²) vs Western Australia: 975,685 square miles (2,527,013 km²), including inland and coastal water. Western Australia's total area is 78.6 times larger than Maryland's.
Length: Maryland is 231 miles (371 km) long from north to south; Western Australia is 1,590 miles (2,558 km). Western Australia's north-south length is 6.9 times (588%) longer than Maryland's.
Width: Maryland spans 243 miles (391 km) east to west; Western Australia spans 1,286 miles (2,069 km). Western Australia's east-west width is 5.3 times (429%) wider than Maryland's.
Highest point: Maryland's highest point is Hoye-Crest at 3,362 feet (1,025 m); Western Australia's is Mount Meharry at 4,098 feet (1,249 m). Mount Meharry is 736 feet higher than Hoye-Crest.
Lowest point: Maryland's lowest point is Atlantic Ocean at 0 feet; Western Australia's is Indian Ocean at 0 feet. Both lowest points are at or near sea level.
Maryland vs Western Australia Population and History
Population: Maryland has a population of 6,263,220 (2024), while Western Australia has 3,061,672 (2025). Maryland's population is 2.0 times (105%) larger than Western Australia's.
Population density: Maryland: 645.0 people per square mile vs Western Australia: 3.1. Maryland's population density is 208.1 times higher than Western Australia's.
Largest metro area: Maryland's largest metropolitan area is Washington-Arlington-Alexandria, DC-VA-MD-WV metro area (6,436,489 people) vs Western Australia's Greater Perth (2,452,765). Washington-Arlington-Alexandria, DC-VA-MD-WV metro area's population is 2.6 times (162%) larger than Greater Perth's.
History: Maryland: Admitted to the Union on April 28, 1788, as the 7th state. Western Australia: Became an Australian state at Federation on January 1, 1901; founded as a colony in 1829. In its current form, Maryland is the older of the two by 113 years.
Maryland vs Western Australia Economy
GDP: Maryland's GDP is $546.0 billion (2024) vs Western Australia's $304.6 billion. Maryland's economic output is 1.8 times (79%) larger than Western Australia's.
GDP per capita: Maryland: $87,180 per person vs Western Australia: $99,488. Western Australia's GDP per capita is 1.1 times (14%) higher than Maryland's.
Official Websites
Maryland official website · Western Australia official website
More Size Comparisons
All Maryland 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.