The map above shows New Hampshire and Northern Ireland side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
New Hampshire vs Northern Ireland Geography
Land area: New Hampshire has a land area of 8,954 square miles (23,190 km²), while Northern Ireland has 5,236 square miles (13,562 km²). New Hampshire's land area is 1.7 times (71%) larger than Northern Ireland's.
Total area: New Hampshire: 9,350 square miles (24,216 km²) vs Northern Ireland: 5,456 square miles (14,130 km²), including inland and coastal water. New Hampshire's total area is 1.7 times (71%) larger than Northern Ireland's.
Length: New Hampshire is 180 miles (290 km) long from north to south; Northern Ireland is 83 miles (134 km). New Hampshire's north-south length is 2.2 times (117%) longer than Northern Ireland's.
Width: New Hampshire spans 95 miles (152 km) east to west; Northern Ireland spans 107 miles (173 km). Northern Ireland's east-west width is 1.1 times (13%) wider than New Hampshire's.
Highest point: New Hampshire's highest point is Mount Washington at 6,277 feet (1,913 m); Northern Ireland's is Slieve Donard at 2,789 feet (850 m). Mount Washington is 3,488 feet higher than Slieve Donard.
Lowest point: New Hampshire's lowest point is Atlantic Ocean at 0 feet; Northern Ireland's is Irish Sea at 0 feet. Both lowest points are at or near sea level.
New Hampshire vs Northern Ireland Population and History
Population: New Hampshire has a population of 1,409,032 (2024), while Northern Ireland has 1,905,000 (2022). Northern Ireland's population is 1.4 times (35%) larger than New Hampshire's.
Population density: New Hampshire: 157.4 people per square mile vs Northern Ireland: 363.8. Northern Ireland's population density is 2.3 times (131%) higher than New Hampshire's.
Biggest city: New Hampshire's biggest city is Manchester with 116,386 people; Northern Ireland's is Belfast with 348,005. Belfast's population is 3.0 times (199%) larger than Manchester's.
History: New Hampshire: Admitted to the Union on June 21, 1788, as the 9th state. Northern Ireland: A country within the United Kingdom; created by the partition of Ireland on May 3, 1921. In its current form, New Hampshire is the older of the two by 133 years.
New Hampshire vs Northern Ireland Economy
GDP: New Hampshire's GDP is $119.3 billion (2024) vs Northern Ireland's $58.8 billion. New Hampshire's economic output is 2.0 times (103%) larger than Northern Ireland's.
GDP per capita: New Hampshire: $84,694 per person vs Northern Ireland: $30,686. New Hampshire's GDP per capita is 2.8 times (176%) higher than Northern Ireland's.
Official Websites
New Hampshire official website · Northern Ireland official website
More Size Comparisons
All New Hampshire size comparisons · All Northern 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.