The map above shows Maryland and Ireland side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Maryland vs Ireland Geography
Land area: Maryland has a land area of 9,711 square miles (25,151 km²), while Ireland has 26,596 square miles (68,883 km²). Ireland's land area is 2.7 times (174%) larger than Maryland's.
Total area: Maryland: 12,406 square miles (32,131 km²) vs Ireland: 27,133 square miles (70,273 km²), including inland and coastal water. Ireland's total area is 2.2 times (119%) larger than Maryland's.
Length: Maryland is 231 miles (371 km) long from north to south; Ireland is 287 miles (462 km). Ireland's north-south length is 1.2 times (24%) longer than Maryland's.
Width: Maryland spans 243 miles (391 km) east to west; Ireland spans 191 miles (308 km). Maryland's east-west width is 1.3 times (27%) wider than Ireland's.
Highest point: Maryland's highest point is Hoye-Crest at 3,362 feet (1,025 m); Ireland's is Carrauntoohil at 3,406 feet (1,038 m). Carrauntoohil is 44 feet higher than Hoye-Crest.
Lowest point: Maryland'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.
Maryland vs Ireland Population and History
Population: Maryland has a population of 6,263,220 (2024), while Ireland has 5,525,600 (2026). Maryland's population is 1.1 times (13%) larger than Ireland's.
Population density: Maryland: 645.0 people per square mile vs Ireland: 207.8. Maryland's population density is 3.1 times (210%) higher than Ireland's.
Biggest city: Maryland's biggest city is Baltimore with 568,271 people; Ireland's is Dublin with 592,713. Baltimore and Dublin have about the same population.
Largest metro area: Maryland's largest metropolitan area is Washington-Arlington-Alexandria, DC-VA-MD-WV metro area (6,436,489 people) vs Ireland's Greater Dublin Area (2,082,605). Washington-Arlington-Alexandria, DC-VA-MD-WV metro area's population is 3.1 times (209%) larger than Greater Dublin Area's.
History: Maryland: Admitted to the Union on April 28, 1788, as the 7th state. Ireland: Independent since December 6, 1922, as the Irish Free State; a republic since 1949. In its current form, Maryland is the older of the two by 134 years.
Maryland vs Ireland Economy
GDP: Maryland's GDP is $546.0 billion (2024) vs Ireland's $721.7 billion. Ireland's economic output is 1.3 times (32%) larger than Maryland's.
GDP per capita: Maryland: $87,180 per person vs Ireland: $131,593. Ireland's GDP per capita is 1.5 times (51%) higher than Maryland's.
Average income: Maryland: $79,259 vs Ireland: $87,360 average income per person (per capita personal income). Ireland's average income is 1.1 times (10%) higher than Maryland's.
Official Websites
Maryland official website · Ireland official website
More Size Comparisons
All Maryland 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.