The map above shows New Hampshire and Ireland side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
New Hampshire vs Ireland Geography
Land area: New Hampshire has a land area of 8,954 square miles (23,190 km²), while Ireland has 26,596 square miles (68,883 km²). Ireland's land area is 3.0 times (197%) larger than New Hampshire's.
Total area: New Hampshire: 9,350 square miles (24,216 km²) vs Ireland: 27,133 square miles (70,273 km²), including inland and coastal water. Ireland's total area is 2.9 times (190%) larger than New Hampshire's.
Length: New Hampshire is 180 miles (290 km) long from north to south; Ireland is 287 miles (462 km). Ireland's north-south length is 1.6 times (59%) longer than New Hampshire's.
Width: New Hampshire spans 95 miles (152 km) east to west; Ireland spans 191 miles (308 km). Ireland's east-west width is 2.0 times (101%) wider than New Hampshire's.
Highest point: New Hampshire's highest point is Mount Washington at 6,277 feet (1,913 m); Ireland's is Carrauntoohil at 3,406 feet (1,038 m). Mount Washington is 2,871 feet higher than Carrauntoohil.
Lowest point: New Hampshire'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.
New Hampshire vs Ireland Population and History
Population: New Hampshire has a population of 1,409,032 (2024), while Ireland has 5,525,600 (2026). Ireland's population is 3.9 times (292%) larger than New Hampshire's.
Population density: New Hampshire: 157.4 people per square mile vs Ireland: 207.8. Ireland's population density is 1.3 times (32%) higher than New Hampshire's.
Biggest city: New Hampshire's biggest city is Manchester with 116,386 people; Ireland's is Dublin with 592,713. Dublin's population is 5.1 times (409%) larger than Manchester's.
Largest metro area: New Hampshire's largest metropolitan area is Boston-Cambridge-Newton, MA-NH metro area (5,025,517 people) vs Ireland's Greater Dublin Area (2,082,605). Boston-Cambridge-Newton, MA-NH metro area's population is 2.4 times (141%) larger than Greater Dublin Area's.
History: New Hampshire: Admitted to the Union on June 21, 1788, as the 9th state. Ireland: Independent since December 6, 1922, as the Irish Free State; a republic since 1949. In its current form, New Hampshire is the older of the two by 134 years.
New Hampshire vs Ireland Economy
GDP: New Hampshire's GDP is $119.3 billion (2024) vs Ireland's $721.7 billion. Ireland's economic output is 6.0 times (505%) larger than New Hampshire's.
GDP per capita: New Hampshire: $84,694 per person vs Ireland: $131,593. Ireland's GDP per capita is 1.6 times (55%) higher than New Hampshire's.
Average income: New Hampshire: $83,192 vs Ireland: $87,360 average income per person (per capita personal income). Ireland's average income is 1.1 times (5%) higher than New Hampshire's.
Official Websites
New Hampshire official website · Ireland official website
More Size Comparisons
All New Hampshire 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.