The map above shows Oklahoma and New South Wales side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Oklahoma vs New South Wales Geography
Land area
- Oklahoma has a land area of 68,597 square miles (177,665 km²), while New South Wales has 309,130 square miles (800,642 km²).
- New South Wales' land area is 4.5 times (351%) larger than Oklahoma's.
Total area
- Oklahoma: 69,899 square miles (181,038 km²) vs New South Wales: 309,130 square miles (800,642 km²), including inland and coastal water.
- New South Wales' total area is 4.4 times (342%) larger than Oklahoma's.
Length
- Oklahoma is 533 miles (857 km) long from north to south; New South Wales is 678 miles (1,092 km).
- New South Wales' north-south length is 1.3 times (27%) longer than Oklahoma's.
Width
- Oklahoma spans 490 miles (789 km) east to west; New South Wales spans 831 miles (1,338 km).
- New South Wales' east-west width is 1.7 times (70%) wider than Oklahoma's.
Highest point
- Oklahoma's highest point is Black Mesa at 4,980 feet (1,518 m); New South Wales's is Mount Kosciuszko at 7,310 feet (2,228 m).
- Mount Kosciuszko is 2,330 feet higher than Black Mesa.
Lowest point
- Oklahoma's lowest point is Little River at 289 feet; New South Wales's is Pacific Ocean at 0 feet.
- New South Wales's lowest point is 289 feet lower.
Oklahoma vs New South Wales Population and History
Population
- Oklahoma has a population of 4,095,393 (2024), while New South Wales has 8,624,534 (2025).
- New South Wales' population is 2.1 times (111%) larger than Oklahoma's.
Population density
- Oklahoma: 59.7 people per square mile vs New South Wales: 27.9.
- Oklahoma's population density is 2.1 times (114%) higher than New South Wales'.
Largest metro area
- Oklahoma's largest metropolitan area is Oklahoma City, OK metro area (1,497,821 people) vs New South Wales's Greater Sydney (5,638,830).
- Greater Sydney's population is 3.8 times (276%) larger than Oklahoma City, OK metro area's.
History
- Oklahoma: Admitted to the Union on November 16, 1907, as the 46th state.
- New South Wales: Became an Australian state at Federation on January 1, 1901; founded as a colony in 1788.
- In its current form, New South Wales is the older of the two by 6 years.
Oklahoma vs New South Wales Economy
GDP
- Oklahoma's GDP is $263.7 billion (2024) vs New South Wales's $547.1 billion.
- New South Wales' economic output is 2.1 times (107%) larger than Oklahoma's.
GDP per capita
- Oklahoma: $64,388 per person vs New South Wales: $63,435.
- Oklahoma and New South Wales have about the same GDP per capita.
Official Websites
Oklahoma official website · New South Wales official website
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More Size Comparisons
All Oklahoma 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.