The map above shows Puerto Rico and Prince Edward Island side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Puerto Rico vs Prince Edward Island Geography
Land area: Puerto Rico has a land area of 3,424 square miles (8,868 km²), while Prince Edward Island has 2,185 square miles (5,660 km²). Puerto Rico's land area is 1.6 times (57%) larger than Prince Edward Island's.
Total area: Puerto Rico: 3,515 square miles (9,104 km²) vs Prince Edward Island: 2,185 square miles (5,660 km²), including inland and coastal water. Puerto Rico's total area is 1.6 times (61%) larger than Prince Edward Island's.
Length: Puerto Rico is 67 miles (107 km) long from north to south; Prince Edward Island is 97 miles (157 km). Prince Edward Island's north-south length is 1.4 times (45%) longer than Puerto Rico's.
Width: Puerto Rico spans 174 miles (279 km) east to west; Prince Edward Island spans 117 miles (188 km). Puerto Rico's east-west width is 1.5 times (49%) wider than Prince Edward Island's.
Highest point: Puerto Rico's highest point is Cerro de Punta at 4,390 feet (1,338 m); Prince Edward Island's is Springton at 466 feet (142 m). Cerro de Punta is 3,924 feet higher than Springton.
Lowest point: Puerto Rico's lowest point is Atlantic Ocean at 0 feet; Prince Edward Island's is Gulf of St. Lawrence at 0 feet. Both lowest points are at or near sea level.
Puerto Rico vs Prince Edward Island Population and History
Population: Puerto Rico has a population of 3,285,874 (2020), while Prince Edward Island has 182,001 (2026). Puerto Rico's population is 18.1 times larger than Prince Edward Island's.
Population density: Puerto Rico: 959.7 people per square mile vs Prince Edward Island: 83.3. Puerto Rico's population density is 11.5 times higher than Prince Edward Island's.
Biggest city: Puerto Rico's biggest city is San Juan with 342,259 people; Prince Edward Island's is Charlottetown with 38,809. San Juan's population is 8.8 times (782%) larger than Charlottetown's.
Largest metro area: Puerto Rico's largest metropolitan area is San Juan metro area (2,233,177 people) vs Prince Edward Island's Charlottetown CMA (78,858). San Juan metro area's population is 28.3 times larger than Charlottetown CMA's.
History: Puerto Rico: A US territory since 1898; a commonwealth since 1952. Prince Edward Island: Joined Confederation on July 1, 1873. In its current form, Prince Edward Island is the older of the two by 25 years.
Puerto Rico vs Prince Edward Island Economy
GDP: Puerto Rico's GDP is $129.0 billion (2025) vs Prince Edward Island's $8.0 billion. Puerto Rico's economic output is 16.1 times larger than Prince Edward Island's.
GDP per capita: Puerto Rico: $40,650 per person vs Prince Edward Island: $44,238. Prince Edward Island's GDP per capita is 1.1 times (9%) higher than Puerto Rico's.
Official Websites
Puerto Rico official website · Prince Edward Island official website
More Size Comparisons
All Puerto Rico size comparisons · All Prince Edward Island 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.