The map above shows Oklahoma and Ireland side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Oklahoma vs Ireland Geography
Land area: Oklahoma has a land area of 68,597 square miles (177,665 km²), while Ireland has 26,596 square miles (68,883 km²). Oklahoma's land area is 2.6 times (158%) larger than Ireland's.
Total area: Oklahoma: 69,899 square miles (181,038 km²) vs Ireland: 27,133 square miles (70,273 km²), including inland and coastal water. Oklahoma's total area is 2.6 times (158%) larger than Ireland's.
Length: Oklahoma is 533 miles (857 km) long from north to south; Ireland is 287 miles (462 km). Oklahoma's north-south length is 1.9 times (86%) longer than Ireland's.
Width: Oklahoma spans 490 miles (789 km) east to west; Ireland spans 191 miles (308 km). Oklahoma's east-west width is 2.6 times (157%) wider than Ireland's.
Highest point: Oklahoma's highest point is Black Mesa at 4,980 feet (1,518 m); Ireland's is Carrauntoohil at 3,406 feet (1,038 m). Black Mesa is 1,574 feet higher than Carrauntoohil.
Lowest point: Oklahoma's lowest point is Little River at 289 feet; Ireland's is Atlantic Ocean at 0 feet. Ireland's lowest point is 289 feet lower.
Oklahoma vs Ireland Population and History
Population: Oklahoma has a population of 4,095,393 (2024), while Ireland has 5,525,600 (2026). Ireland's population is 1.3 times (35%) larger than Oklahoma's.
Population density: Oklahoma: 59.7 people per square mile vs Ireland: 207.8. Ireland's population density is 3.5 times (248%) higher than Oklahoma's.
Biggest city: Oklahoma's biggest city is Oklahoma City with 712,919 people; Ireland's is Dublin with 592,713. Oklahoma City's population is 1.2 times (20%) larger than Dublin's.
Largest metro area: Oklahoma's largest metropolitan area is Oklahoma City, OK metro area (1,497,821 people) vs Ireland's Greater Dublin Area (2,082,605). Greater Dublin Area's population is 1.4 times (39%) larger than Oklahoma City, OK metro area's.
History: Oklahoma: Admitted to the Union on November 16, 1907, as the 46th state. Ireland: Independent since December 6, 1922, as the Irish Free State; a republic since 1949. In its current form, Oklahoma is the older of the two by 15 years.
Oklahoma vs Ireland Economy
GDP: Oklahoma's GDP is $263.7 billion (2024) vs Ireland's $721.7 billion. Ireland's economic output is 2.7 times (174%) larger than Oklahoma's.
GDP per capita: Oklahoma: $64,388 per person vs Ireland: $131,593. Ireland's GDP per capita is 2.0 times (104%) higher than Oklahoma's.
Average income: Oklahoma: $63,708 vs Ireland: $87,360 average income per person (per capita personal income). Ireland's average income is 1.4 times (37%) higher than Oklahoma's.
Official Websites
Oklahoma official website · Ireland official website
More Size Comparisons
All Oklahoma size comparisons · All Ireland 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.