The map above shows Kentucky and Northern Ireland side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Kentucky vs Northern Ireland Geography
Land area
- Kentucky has a land area of 39,485 square miles (102,267 km²), while Northern Ireland has 5,236 square miles (13,562 km²).
- Kentucky's land area is 7.5 times (654%) larger than Northern Ireland's.
Total area
- Kentucky: 40,406 square miles (104,651 km²) vs Northern Ireland: 5,456 square miles (14,130 km²), including inland and coastal water.
- Kentucky's total area is 7.4 times (641%) larger than Northern Ireland's.
Length
- Kentucky is 257 miles (414 km) long from north to south; Northern Ireland is 83 miles (134 km).
- Kentucky's north-south length is 3.1 times (210%) longer than Northern Ireland's.
Width
- Kentucky spans 418 miles (672 km) east to west; Northern Ireland spans 107 miles (173 km).
- Kentucky's east-west width is 3.9 times (291%) wider than Northern Ireland's.
Highest point
- Kentucky's highest point is Black Mountain at 4,134 feet (1,260 m); Northern Ireland's is Slieve Donard at 2,789 feet (850 m).
- Black Mountain is 1,345 feet higher than Slieve Donard.
Lowest point
- Kentucky's lowest point is Mississippi River at 270 feet; Northern Ireland's is Irish Sea at 0 feet.
- Northern Ireland's lowest point is 270 feet lower.
Kentucky vs Northern Ireland Population and History
Population
- Kentucky has a population of 4,588,372 (2024), while Northern Ireland has 1,905,000 (2022).
- Kentucky's population is 2.4 times (141%) larger than Northern Ireland's.
Population density
- Kentucky: 116.2 people per square mile vs Northern Ireland: 363.8.
- Northern Ireland's population density is 3.1 times (213%) higher than Kentucky's.
Biggest city
- Kentucky's biggest city is Louisville with 640,796 people; Northern Ireland's is Belfast with 348,005.
- Louisville's population is 1.8 times (84%) larger than Belfast's.
History
- Kentucky: Admitted to the Union on June 1, 1792, as the 15th state.
- Northern Ireland: A country within the United Kingdom; created by the partition of Ireland on May 3, 1921.
- In its current form, Kentucky is the older of the two by 129 years.
Kentucky vs Northern Ireland Economy
GDP
- Kentucky's GDP is $295.4 billion (2024) vs Northern Ireland's $58.8 billion.
- Kentucky's economic output is 5.0 times (402%) larger than Northern Ireland's.
GDP per capita
- Kentucky: $64,375 per person vs Northern Ireland: $30,686.
- Kentucky's GDP per capita is 2.1 times (110%) higher than Northern Ireland's.
Official Websites
Kentucky official website · Northern Ireland official website
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More Size Comparisons
All Kentucky 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.