The map above shows Oklahoma and Alberta side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Oklahoma vs Alberta Geography
Land area: Oklahoma has a land area of 68,597 square miles (177,665 km²), while Alberta has 248,000 square miles (642,317 km²). Alberta's land area is 3.6 times (262%) larger than Oklahoma's.
Total area: Oklahoma: 69,899 square miles (181,038 km²) vs Alberta: 255,541 square miles (661,848 km²), including inland and coastal water. Alberta's total area is 3.7 times (266%) larger than Oklahoma's.
Length: Oklahoma is 533 miles (857 km) long from north to south; Alberta is 810 miles (1,303 km). Alberta's north-south length is 1.5 times (52%) longer than Oklahoma's.
Width: Oklahoma spans 490 miles (789 km) east to west; Alberta spans 544 miles (876 km). Alberta's east-west width is 1.1 times (11%) wider than Oklahoma's.
Highest point: Oklahoma's highest point is Black Mesa at 4,980 feet (1,518 m); Alberta's is Mount Columbia at 12,293 feet (3,747 m). Mount Columbia is 7,313 feet higher than Black Mesa.
Lowest point: Oklahoma's lowest point is Little River at 289 feet; Alberta's is Slave River at 499 feet. Oklahoma's lowest point is 210 feet lower.
Oklahoma vs Alberta Population and History
Population: Oklahoma has a population of 4,095,393 (2024), while Alberta has 5,048,151 (2026). Alberta's population is 1.2 times (23%) larger than Oklahoma's.
Population density: Oklahoma: 59.7 people per square mile vs Alberta: 20.4. Oklahoma's population density is 2.9 times (193%) higher than Alberta's.
Biggest city: Oklahoma's biggest city is Oklahoma City with 712,919 people; Alberta's is Calgary with 1,306,784. Calgary's population is 1.8 times (83%) larger than Oklahoma City's.
Largest metro area: Oklahoma's largest metropolitan area is Oklahoma City, OK metro area (1,497,821 people) vs Alberta's Calgary CMA (1,481,806). Oklahoma City, OK metro area and Calgary CMA have about the same population.
History: Oklahoma: Admitted to the Union on November 16, 1907, as the 46th state. Alberta: Joined Confederation on September 1, 1905. In its current form, Alberta is the older of the two by 2 years.
Oklahoma vs Alberta Economy
GDP: Oklahoma's GDP is $263.7 billion (2024) vs Alberta's $346.0 billion. Alberta's economic output is 1.3 times (31%) larger than Oklahoma's.
GDP per capita: Oklahoma: $64,388 per person vs Alberta: $70,487. Alberta's GDP per capita is 1.1 times (9%) higher than Oklahoma's.
Official Websites
Oklahoma official website · Alberta official website
More Size Comparisons
All Oklahoma size comparisons · All Alberta 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.