The map above shows District of Columbia and Western Australia side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
District of Columbia vs Western Australia Geography
Land area
- District of Columbia has a land area of 61 square miles (158 km²), while Western Australia has 975,685 square miles (2,527,013 km²).
- Western Australia's land area is 15,993.8 times larger than District of Columbia's.
Total area
- District of Columbia: 68 square miles (177 km²) vs Western Australia: 975,685 square miles (2,527,013 km²), including inland and coastal water.
- Western Australia's total area is 14,276.9 times larger than District of Columbia's.
Length
- District of Columbia is 13 miles (22 km) long from north to south; Western Australia is 1,590 miles (2,558 km).
- Western Australia's north-south length is 122.3 times longer than District of Columbia's.
Width
- District of Columbia spans 12 miles (19 km) east to west; Western Australia spans 1,286 miles (2,069 km).
- Western Australia's east-west width is 107.2 times wider than District of Columbia's.
Highest point
- District of Columbia's highest point is Fort Reno at 429 feet (131 m); Western Australia's is Mount Meharry at 4,098 feet (1,249 m).
- Mount Meharry is 3,669 feet higher than Fort Reno.
Lowest point
- District of Columbia's lowest point is Potomac River at 0 feet; Western Australia's is Indian Ocean at 0 feet.
- Both lowest points are at or near sea level.
District of Columbia vs Western Australia Population and History
Population
- District of Columbia has a population of 702,250 (2024), while Western Australia has 3,061,672 (2025).
- Western Australia's population is 4.4 times (336%) larger than District of Columbia's.
Population density
- District of Columbia: 11,493.5 people per square mile vs Western Australia: 3.1.
- District of Columbia's population density is 3,707.6 times higher than Western Australia's.
Largest metro area
- District of Columbia'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
- District of Columbia: The federal district, established by the Residence Act on July 16, 1790; not a state.
- Western Australia: Became an Australian state at Federation on January 1, 1901; founded as a colony in 1829.
- In its current form, District of Columbia is the older of the two by 111 years.
District of Columbia vs Western Australia Economy
GDP
- District of Columbia's GDP is $184.3 billion (2024) vs Western Australia's $304.6 billion.
- Western Australia's economic output is 1.7 times (65%) larger than District of Columbia's.
GDP per capita
- District of Columbia: $262,439 per person vs Western Australia: $99,488.
- District of Columbia's GDP per capita is 2.6 times (164%) higher than Western Australia's.
Official Websites
District of Columbia official website · Western Australia official website
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More Size Comparisons
All District of Columbia 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.