The map above shows Louisiana and Ireland side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Louisiana vs Ireland Geography
Land area: Louisiana has a land area of 43,213 square miles (111,921 km²), while Ireland has 26,596 square miles (68,883 km²). Louisiana's land area is 1.6 times (62%) larger than Ireland's.
Total area: Louisiana: 52,375 square miles (135,652 km²) vs Ireland: 27,133 square miles (70,273 km²), including inland and coastal water. Louisiana's total area is 1.9 times (93%) larger than Ireland's.
Length: Louisiana is 301 miles (484 km) long from north to south; Ireland is 287 miles (462 km). Louisiana's north-south length is 1.0 times (5%) longer than Ireland's.
Width: Louisiana spans 356 miles (574 km) east to west; Ireland spans 191 miles (308 km). Louisiana's east-west width is 1.9 times (86%) wider than Ireland's.
Highest point: Louisiana's highest point is Driskill Mountain at 533 feet (162 m); Ireland's is Carrauntoohil at 3,406 feet (1,038 m). Carrauntoohil is 2,873 feet higher than Driskill Mountain.
Lowest point: Louisiana's lowest point is New Orleans at -8 feet; Ireland's is Atlantic Ocean at 0 feet. Louisiana's lowest point is 8 feet lower.
Louisiana vs Ireland Population and History
Population: Louisiana has a population of 4,597,740 (2024), while Ireland has 5,525,600 (2026). Ireland's population is 1.2 times (20%) larger than Louisiana's.
Population density: Louisiana: 106.4 people per square mile vs Ireland: 207.8. Ireland's population density is 2.0 times (95%) higher than Louisiana's.
Biggest city: Louisiana's biggest city is New Orleans with 362,701 people; Ireland's is Dublin with 592,713. Dublin's population is 1.6 times (63%) larger than New Orleans'.
Largest metro area: Louisiana's largest metropolitan area is New Orleans-Metairie, LA metro area (966,230 people) vs Ireland's Greater Dublin Area (2,082,605). Greater Dublin Area's population is 2.2 times (116%) larger than New Orleans-Metairie, LA metro area's.
History: Louisiana: Admitted to the Union on April 30, 1812, as the 18th state. Ireland: Independent since December 6, 1922, as the Irish Free State; a republic since 1949. In its current form, Louisiana is the older of the two by 110 years.
Louisiana vs Ireland Economy
GDP: Louisiana's GDP is $329.2 billion (2024) vs Ireland's $721.7 billion. Ireland's economic output is 2.2 times (119%) larger than Louisiana's.
GDP per capita: Louisiana: $71,594 per person vs Ireland: $131,593. Ireland's GDP per capita is 1.8 times (84%) higher than Louisiana's.
Average income: Louisiana: $61,897 vs Ireland: $87,360 average income per person (per capita personal income). Ireland's average income is 1.4 times (41%) higher than Louisiana's.
Official Websites
Louisiana official website · Ireland official website
More Size Comparisons
All Louisiana 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.