The map above shows Pennsylvania and Australian Capital Territory side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Pennsylvania vs Australian Capital Territory Geography
Land area: Pennsylvania has a land area of 44,742 square miles (115,882 km²), while Australian Capital Territory has 910 square miles (2,358 km²). Pennsylvania's land area is 49.1 times larger than Australian Capital Territory's.
Total area: Pennsylvania: 46,054 square miles (119,279 km²) vs Australian Capital Territory: 910 square miles (2,358 km²), including inland and coastal water. Pennsylvania's total area is 50.6 times larger than Australian Capital Territory's.
Length: Pennsylvania is 284 miles (458 km) long from north to south; Australian Capital Territory is 54 miles (87 km). Pennsylvania's north-south length is 5.3 times (426%) longer than Australian Capital Territory's.
Width: Pennsylvania spans 307 miles (495 km) east to west; Australian Capital Territory spans 38 miles (61 km). Pennsylvania's east-west width is 8.1 times (708%) wider than Australian Capital Territory's.
Highest point: Pennsylvania's highest point is Mount Davis at 3,210 feet (978 m); Australian Capital Territory's is Bimberi Peak at 6,273 feet (1,912 m). Bimberi Peak is 3,063 feet higher than Mount Davis.
Lowest point: Pennsylvania's lowest point is Delaware River at 0 feet; Australian Capital Territory's is Molonglo River at 1,407 feet. Pennsylvania's lowest point is 1,407 feet lower.
Pennsylvania vs Australian Capital Territory Population and History
Population: Pennsylvania has a population of 13,078,751 (2024), while Australian Capital Territory has 486,231 (2025). Pennsylvania's population is 26.9 times larger than Australian Capital Territory's.
Population density: Pennsylvania: 292.3 people per square mile vs Australian Capital Territory: 534.3. Australian Capital Territory's population density is 1.8 times (83%) higher than Pennsylvania's.
Largest metro area: Pennsylvania's largest metropolitan area is Philadelphia-Camden-Wilmington, PA-NJ-DE-MD metro area (6,330,422 people) vs Australian Capital Territory's Greater Canberra (486,231). Philadelphia-Camden-Wilmington, PA-NJ-DE-MD metro area's population is 13.0 times larger than Greater Canberra's.
History: Pennsylvania: Admitted to the Union on December 12, 1787, as the 2nd state. Australian Capital Territory: Established as the Federal Capital Territory on January 1, 1911. In its current form, Pennsylvania is the older of the two by 124 years.
Pennsylvania vs Australian Capital Territory Economy
GDP: Pennsylvania's GDP is $1,007.9 billion (2024) vs Australian Capital Territory's $38.0 billion. Pennsylvania's economic output is 26.5 times larger than Australian Capital Territory's.
GDP per capita: Pennsylvania: $77,062 per person vs Australian Capital Territory: $78,152. Pennsylvania and Australian Capital Territory have about the same GDP per capita.
Official Websites
Pennsylvania official website · Australian Capital Territory official website
More Size Comparisons
All Pennsylvania size comparisons · All Australian Capital Territory 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.