The map above shows Colorado and New South Wales side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Colorado vs New South Wales Geography
Land area
- Colorado has a land area of 103,637 square miles (268,419 km²), while New South Wales has 309,130 square miles (800,642 km²).
- New South Wales' land area is 3.0 times (198%) larger than Colorado's.
Total area
- Colorado: 104,095 square miles (269,605 km²) vs New South Wales: 309,130 square miles (800,642 km²), including inland and coastal water.
- New South Wales' total area is 3.0 times (197%) larger than Colorado's.
Length
- Colorado is 467 miles (751 km) long from north to south; New South Wales is 678 miles (1,092 km).
- New South Wales' north-south length is 1.5 times (45%) longer than Colorado's.
Width
- Colorado spans 387 miles (622 km) east to west; New South Wales spans 831 miles (1,338 km).
- New South Wales' east-west width is 2.1 times (115%) wider than Colorado's.
Highest point
- Colorado's highest point is Mount Elbert at 14,422 feet (4,396 m); New South Wales's is Mount Kosciuszko at 7,310 feet (2,228 m).
- Mount Elbert is 7,112 feet higher than Mount Kosciuszko.
Lowest point
- Colorado's lowest point is Arikaree River at 3,326 feet; New South Wales's is Pacific Ocean at 0 feet.
- New South Wales's lowest point is 3,326 feet lower.
Colorado vs New South Wales Population and History
Population
- Colorado has a population of 5,957,493 (2024), while New South Wales has 8,624,534 (2025).
- New South Wales' population is 1.4 times (45%) larger than Colorado's.
Population density
- Colorado: 57.5 people per square mile vs New South Wales: 27.9.
- Colorado's population density is 2.1 times (106%) higher than New South Wales'.
Largest metro area
- Colorado's largest metropolitan area is Denver-Aurora-Centennial, CO metro area (3,052,498 people) vs New South Wales's Greater Sydney (5,638,830).
- Greater Sydney's population is 1.8 times (85%) larger than Denver-Aurora-Centennial, CO metro area's.
History
- Colorado: Admitted to the Union on August 1, 1876, as the 38th state.
- New South Wales: Became an Australian state at Federation on January 1, 1901; founded as a colony in 1788.
- In its current form, Colorado is the older of the two by 25 years.
Colorado vs New South Wales Economy
GDP
- Colorado's GDP is $557.6 billion (2024) vs New South Wales's $547.1 billion.
- Colorado and New South Wales have about the same economic output.
GDP per capita
- Colorado: $93,602 per person vs New South Wales: $63,435.
- Colorado's GDP per capita is 1.5 times (48%) higher than New South Wales'.
Official Websites
Colorado official website · New South Wales official website
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More Size Comparisons
All Colorado 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.