The map above shows Mississippi and Northern Ireland side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Mississippi vs Northern Ireland Geography
Land area: Mississippi has a land area of 46,925 square miles (121,534 km²), while Northern Ireland has 5,236 square miles (13,562 km²). Mississippi's land area is 9.0 times (796%) larger than Northern Ireland's.
Total area: Mississippi: 48,436 square miles (125,448 km²) vs Northern Ireland: 5,456 square miles (14,130 km²), including inland and coastal water. Mississippi's total area is 8.9 times (788%) larger than Northern Ireland's.
Length: Mississippi is 337 miles (542 km) long from north to south; Northern Ireland is 83 miles (134 km). Mississippi's north-south length is 4.1 times (306%) longer than Northern Ireland's.
Width: Mississippi spans 340 miles (547 km) east to west; Northern Ireland spans 107 miles (173 km). Mississippi's east-west width is 3.2 times (218%) wider than Northern Ireland's.
Highest point: Mississippi's highest point is Woodall Mountain at 805 feet (245 m); Northern Ireland's is Slieve Donard at 2,789 feet (850 m). Slieve Donard is 1,984 feet higher than Woodall Mountain.
Lowest point: Mississippi's lowest point is Gulf of Mexico at 0 feet; Northern Ireland's is Irish Sea at 0 feet. Both lowest points are at or near sea level.
Mississippi vs Northern Ireland Population and History
Population: Mississippi has a population of 2,943,045 (2024), while Northern Ireland has 1,905,000 (2022). Mississippi's population is 1.5 times (54%) larger than Northern Ireland's.
Population density: Mississippi: 62.7 people per square mile vs Northern Ireland: 363.8. Northern Ireland's population density is 5.8 times (480%) higher than Mississippi's.
Biggest city: Mississippi's biggest city is Jackson with 141,449 people; Northern Ireland's is Belfast with 348,005. Belfast's population is 2.5 times (146%) larger than Jackson's.
History: Mississippi: Admitted to the Union on December 10, 1817, as the 20th state. Northern Ireland: A country within the United Kingdom; created by the partition of Ireland on May 3, 1921. In its current form, Mississippi is the older of the two by 104 years.
Mississippi vs Northern Ireland Economy
GDP: Mississippi's GDP is $158.2 billion (2024) vs Northern Ireland's $58.8 billion. Mississippi's economic output is 2.7 times (169%) larger than Northern Ireland's.
GDP per capita: Mississippi: $53,751 per person vs Northern Ireland: $30,686. Mississippi's GDP per capita is 1.8 times (75%) higher than Northern Ireland's.
Official Websites
Mississippi official website · Northern Ireland official website
More Size Comparisons
All Mississippi 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.