The map above shows Colorado and Ireland side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Colorado vs Ireland Geography
Land area: Colorado has a land area of 103,637 square miles (268,419 km²), while Ireland has 26,596 square miles (68,883 km²). Colorado's land area is 3.9 times (290%) larger than Ireland's.
Total area: Colorado: 104,095 square miles (269,605 km²) vs Ireland: 27,133 square miles (70,273 km²), including inland and coastal water. Colorado's total area is 3.8 times (284%) larger than Ireland's.
Length: Colorado is 467 miles (751 km) long from north to south; Ireland is 287 miles (462 km). Colorado's north-south length is 1.6 times (63%) longer than Ireland's.
Width: Colorado spans 387 miles (622 km) east to west; Ireland spans 191 miles (308 km). Colorado's east-west width is 2.0 times (103%) wider than Ireland's.
Highest point: Colorado's highest point is Mount Elbert at 14,422 feet (4,396 m); Ireland's is Carrauntoohil at 3,406 feet (1,038 m). Mount Elbert is 11,016 feet higher than Carrauntoohil.
Lowest point: Colorado's lowest point is Arikaree River at 3,326 feet; Ireland's is Atlantic Ocean at 0 feet. Ireland's lowest point is 3,326 feet lower.
Colorado vs Ireland Population and History
Population: Colorado has a population of 5,957,493 (2024), while Ireland has 5,525,600 (2026). Colorado's population is 1.1 times (8%) larger than Ireland's.
Population density: Colorado: 57.5 people per square mile vs Ireland: 207.8. Ireland's population density is 3.6 times (261%) higher than Colorado's.
Biggest city: Colorado's biggest city is Denver with 729,019 people; Ireland's is Dublin with 592,713. Denver's population is 1.2 times (23%) larger than Dublin's.
Largest metro area: Colorado's largest metropolitan area is Denver-Aurora-Centennial, CO metro area (3,052,498 people) vs Ireland's Greater Dublin Area (2,082,605). Denver-Aurora-Centennial, CO metro area's population is 1.5 times (47%) larger than Greater Dublin Area's.
History: Colorado: Admitted to the Union on August 1, 1876, as the 38th state. Ireland: Independent since December 6, 1922, as the Irish Free State; a republic since 1949. In its current form, Colorado is the older of the two by 46 years.
Colorado vs Ireland Economy
GDP: Colorado's GDP is $557.6 billion (2024) vs Ireland's $721.7 billion. Ireland's economic output is 1.3 times (29%) larger than Colorado's.
GDP per capita: Colorado: $93,602 per person vs Ireland: $131,593. Ireland's GDP per capita is 1.4 times (41%) higher than Colorado's.
Average income: Colorado: $83,055 vs Ireland: $87,360 average income per person (per capita personal income). Ireland's average income is 1.1 times (5%) higher than Colorado's.
Official Websites
Colorado official website · Ireland official website
More Size Comparisons
All Colorado 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.