The map above shows Maine and Ireland side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Maine vs Ireland Geography
Land area: Maine has a land area of 30,845 square miles (79,888 km²), while Ireland has 26,596 square miles (68,883 km²). Maine's land area is 1.2 times (16%) larger than Ireland's.
Total area: Maine: 35,380 square miles (91,634 km²) vs Ireland: 27,133 square miles (70,273 km²), including inland and coastal water. Maine's total area is 1.3 times (30%) larger than Ireland's.
Length: Maine is 311 miles (501 km) long from north to south; Ireland is 287 miles (462 km). Maine's north-south length is 1.1 times (8%) longer than Ireland's.
Width: Maine spans 203 miles (327 km) east to west; Ireland spans 191 miles (308 km). Maine's east-west width is 1.1 times (6%) wider than Ireland's.
Highest point: Maine's highest point is Mount Katahdin at 5,253 feet (1,601 m); Ireland's is Carrauntoohil at 3,406 feet (1,038 m). Mount Katahdin is 1,847 feet higher than Carrauntoohil.
Lowest point: Maine'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.
Maine vs Ireland Population and History
Population: Maine has a population of 1,405,012 (2024), while Ireland has 5,525,600 (2026). Ireland's population is 3.9 times (293%) larger than Maine's.
Population density: Maine: 45.6 people per square mile vs Ireland: 207.8. Ireland's population density is 4.6 times (356%) higher than Maine's.
Biggest city: Maine's biggest city is Portland with 69,568 people; Ireland's is Dublin with 592,713. Dublin's population is 8.5 times (752%) larger than Portland's.
Largest metro area: Maine's largest metropolitan area is Portland-South Portland, ME metro area (571,534 people) vs Ireland's Greater Dublin Area (2,082,605). Greater Dublin Area's population is 3.6 times (264%) larger than Portland-South Portland, ME metro area's.
History: Maine: Admitted to the Union on March 15, 1820, as the 23rd state. Ireland: Independent since December 6, 1922, as the Irish Free State; a republic since 1949. In its current form, Maine is the older of the two by 102 years.
Maine vs Ireland Economy
GDP: Maine's GDP is $99.2 billion (2024) vs Ireland's $721.7 billion. Ireland's economic output is 7.3 times (628%) larger than Maine's.
GDP per capita: Maine: $70,586 per person vs Ireland: $131,593. Ireland's GDP per capita is 1.9 times (86%) higher than Maine's.
Average income: Maine: $68,932 vs Ireland: $87,360 average income per person (per capita personal income). Ireland's average income is 1.3 times (27%) higher than Maine's.
Official Websites
Maine official website · Ireland official website
More Size Comparisons
All Maine 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.