The map above shows Pennsylvania and New South Wales side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Pennsylvania vs New South Wales Geography
Land area: Pennsylvania has a land area of 44,742 square miles (115,882 km²), while New South Wales has 309,130 square miles (800,642 km²). New South Wales' land area is 6.9 times (591%) larger than Pennsylvania's.
Total area: Pennsylvania: 46,054 square miles (119,279 km²) vs New South Wales: 309,130 square miles (800,642 km²), including inland and coastal water. New South Wales' total area is 6.7 times (571%) larger than Pennsylvania's.
Length: Pennsylvania is 284 miles (458 km) long from north to south; New South Wales is 678 miles (1,092 km). New South Wales' north-south length is 2.4 times (139%) longer than Pennsylvania's.
Width: Pennsylvania spans 307 miles (495 km) east to west; New South Wales spans 831 miles (1,338 km). New South Wales' east-west width is 2.7 times (171%) wider than Pennsylvania's.
Highest point: Pennsylvania's highest point is Mount Davis at 3,210 feet (978 m); New South Wales's is Mount Kosciuszko at 7,310 feet (2,228 m). Mount Kosciuszko is 4,100 feet higher than Mount Davis.
Lowest point: Pennsylvania's lowest point is Delaware River at 0 feet; New South Wales's is Pacific Ocean at 0 feet. Both lowest points are at or near sea level.
Pennsylvania vs New South Wales Population and History
Population: Pennsylvania has a population of 13,078,751 (2024), while New South Wales has 8,624,534 (2025). Pennsylvania's population is 1.5 times (52%) larger than New South Wales'.
Population density: Pennsylvania: 292.3 people per square mile vs New South Wales: 27.9. Pennsylvania's population density is 10.5 times higher than New South Wales'.
Largest metro area: Pennsylvania's largest metropolitan area is Philadelphia-Camden-Wilmington, PA-NJ-DE-MD metro area (6,330,422 people) vs New South Wales's Greater Sydney (5,638,830). Philadelphia-Camden-Wilmington, PA-NJ-DE-MD metro area's population is 1.1 times (12%) larger than Greater Sydney's.
History: Pennsylvania: Admitted to the Union on December 12, 1787, as the 2nd state. New South Wales: Became an Australian state at Federation on January 1, 1901; founded as a colony in 1788. In its current form, Pennsylvania is the older of the two by 114 years.
Pennsylvania vs New South Wales Economy
GDP: Pennsylvania's GDP is $1,007.9 billion (2024) vs New South Wales's $547.1 billion. Pennsylvania's economic output is 1.8 times (84%) larger than New South Wales'.
GDP per capita: Pennsylvania: $77,062 per person vs New South Wales: $63,435. Pennsylvania's GDP per capita is 1.2 times (21%) higher than New South Wales'.
Official Websites
Pennsylvania official website · New South Wales official website
More Size Comparisons
All Pennsylvania size comparisons · All New South Wales 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.