The map above shows Puerto Rico and Ireland side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Puerto Rico vs Ireland Geography
Land area: Puerto Rico has a land area of 3,424 square miles (8,868 km²), while Ireland has 26,596 square miles (68,883 km²). Ireland's land area is 7.8 times (677%) larger than Puerto Rico's.
Total area: Puerto Rico: 3,515 square miles (9,104 km²) vs Ireland: 27,133 square miles (70,273 km²), including inland and coastal water. Ireland's total area is 7.7 times (672%) larger than Puerto Rico's.
Length: Puerto Rico is 67 miles (107 km) long from north to south; Ireland is 287 miles (462 km). Ireland's north-south length is 4.3 times (328%) longer than Puerto Rico's.
Width: Puerto Rico spans 174 miles (279 km) east to west; Ireland spans 191 miles (308 km). Ireland's east-west width is 1.1 times (10%) wider than Puerto Rico's.
Highest point: Puerto Rico's highest point is Cerro de Punta at 4,390 feet (1,338 m); Ireland's is Carrauntoohil at 3,406 feet (1,038 m). Cerro de Punta is 984 feet higher than Carrauntoohil.
Lowest point: Puerto Rico's lowest point is Atlantic Ocean at 0 feet; Ireland's is Atlantic Ocean at 0 feet. Both lowest points are at or near sea level.
Puerto Rico vs Ireland Population and History
Population: Puerto Rico has a population of 3,285,874 (2020), while Ireland has 5,525,600 (2026). Ireland's population is 1.7 times (68%) larger than Puerto Rico's.
Population density: Puerto Rico: 959.7 people per square mile vs Ireland: 207.8. Puerto Rico's population density is 4.6 times (362%) higher than Ireland's.
Biggest city: Puerto Rico's biggest city is San Juan with 342,259 people; Ireland's is Dublin with 592,713. Dublin's population is 1.7 times (73%) larger than San Juan's.
Largest metro area: Puerto Rico's largest metropolitan area is San Juan metro area (2,233,177 people) vs Ireland's Greater Dublin Area (2,082,605). San Juan metro area's population is 1.1 times (7%) larger than Greater Dublin Area's.
History: Puerto Rico: A US territory since 1898; a commonwealth since 1952. Ireland: Independent since December 6, 1922, as the Irish Free State; a republic since 1949. In its current form, Puerto Rico is the older of the two by 24 years.
Puerto Rico vs Ireland Economy
GDP: Puerto Rico's GDP is $129.0 billion (2025) vs Ireland's $721.7 billion. Ireland's economic output is 5.6 times (459%) larger than Puerto Rico's.
GDP per capita: Puerto Rico: $40,650 per person vs Ireland: $131,593. Ireland's GDP per capita is 3.2 times (224%) higher than Puerto Rico's.
Official Websites
Puerto Rico official website · Ireland official website
More Size Comparisons
All Puerto Rico 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.