The map above shows Connecticut and Ireland side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Connecticut vs Ireland Geography
Land area: Connecticut has a land area of 4,843 square miles (12,542 km²), while Ireland has 26,596 square miles (68,883 km²). Ireland's land area is 5.5 times (449%) larger than Connecticut's.
Total area: Connecticut: 5,544 square miles (14,358 km²) vs Ireland: 27,133 square miles (70,273 km²), including inland and coastal water. Ireland's total area is 4.9 times (389%) larger than Connecticut's.
Length: Connecticut is 73 miles (118 km) long from north to south; Ireland is 287 miles (462 km). Ireland's north-south length is 3.9 times (293%) longer than Connecticut's.
Width: Connecticut spans 104 miles (167 km) east to west; Ireland spans 191 miles (308 km). Ireland's east-west width is 1.8 times (84%) wider than Connecticut's.
Highest point: Connecticut's highest point is Mount Frissell (south slope) at 2,376 feet (724 m); Ireland's is Carrauntoohil at 3,406 feet (1,038 m). Carrauntoohil is 1,030 feet higher than Mount Frissell (south slope).
Lowest point: Connecticut's lowest point is Long Island Sound at 0 feet; Ireland's is Atlantic Ocean at 0 feet. Both lowest points are at or near sea level.
Connecticut vs Ireland Population and History
Population: Connecticut has a population of 3,675,069 (2024), while Ireland has 5,525,600 (2026). Ireland's population is 1.5 times (50%) larger than Connecticut's.
Population density: Connecticut: 758.9 people per square mile vs Ireland: 207.8. Connecticut's population density is 3.7 times (265%) higher than Ireland's.
Biggest city: Connecticut's biggest city is Bridgeport with 151,599 people; Ireland's is Dublin with 592,713. Dublin's population is 3.9 times (291%) larger than Bridgeport's.
Largest metro area: Connecticut's largest metropolitan area is Hartford-West Hartford-East Hartford, CT metro area (1,169,048 people) vs Ireland's Greater Dublin Area (2,082,605). Greater Dublin Area's population is 1.8 times (78%) larger than Hartford-West Hartford-East Hartford, CT metro area's.
History: Connecticut: Admitted to the Union on January 9, 1788, as the 5th state. Ireland: Independent since December 6, 1922, as the Irish Free State; a republic since 1949. In its current form, Connecticut is the older of the two by 134 years.
Connecticut vs Ireland Economy
GDP: Connecticut's GDP is $356.8 billion (2024) vs Ireland's $721.7 billion. Ireland's economic output is 2.0 times (102%) larger than Connecticut's.
GDP per capita: Connecticut: $97,096 per person vs Ireland: $131,593. Ireland's GDP per capita is 1.4 times (36%) higher than Connecticut's.
Average income: Connecticut: $95,067 vs Ireland: $87,360 average income per person (per capita personal income). Connecticut's average income is 1.1 times (9%) higher than Ireland's.
Official Websites
Connecticut official website · Ireland official website
More Size Comparisons
All Connecticut 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.