The map above shows Iowa and Northern Ireland side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Iowa vs Northern Ireland Geography
Land area: Iowa has a land area of 55,854 square miles (144,660 km²), while Northern Ireland has 5,236 square miles (13,562 km²). Iowa's land area is 10.7 times larger than Northern Ireland's.
Total area: Iowa: 56,273 square miles (145,746 km²) vs Northern Ireland: 5,456 square miles (14,130 km²), including inland and coastal water. Iowa's total area is 10.3 times larger than Northern Ireland's.
Length: Iowa is 216 miles (347 km) long from north to south; Northern Ireland is 83 miles (134 km). Iowa's north-south length is 2.6 times (160%) longer than Northern Ireland's.
Width: Iowa spans 335 miles (539 km) east to west; Northern Ireland spans 107 miles (173 km). Iowa's east-west width is 3.1 times (213%) wider than Northern Ireland's.
Highest point: Iowa's highest point is Hawkeye Point at 1,669 feet (509 m); Northern Ireland's is Slieve Donard at 2,789 feet (850 m). Slieve Donard is 1,120 feet higher than Hawkeye Point.
Lowest point: Iowa's lowest point is Mississippi River at 480 feet; Northern Ireland's is Irish Sea at 0 feet. Northern Ireland's lowest point is 480 feet lower.
Iowa vs Northern Ireland Population and History
Population: Iowa has a population of 3,241,488 (2024), while Northern Ireland has 1,905,000 (2022). Iowa's population is 1.7 times (70%) larger than Northern Ireland's.
Population density: Iowa: 58.0 people per square mile vs Northern Ireland: 363.8. Northern Ireland's population density is 6.3 times (527%) higher than Iowa's.
Biggest city: Iowa's biggest city is Des Moines with 213,096 people; Northern Ireland's is Belfast with 348,005. Belfast's population is 1.6 times (63%) larger than Des Moines'.
History: Iowa: Admitted to the Union on December 28, 1846, as the 29th state. Northern Ireland: A country within the United Kingdom; created by the partition of Ireland on May 3, 1921. In its current form, Iowa is the older of the two by 75 years.
Iowa vs Northern Ireland Economy
GDP: Iowa's GDP is $265.8 billion (2024) vs Northern Ireland's $58.8 billion. Iowa's economic output is 4.5 times (352%) larger than Northern Ireland's.
GDP per capita: Iowa: $81,998 per person vs Northern Ireland: $30,686. Iowa's GDP per capita is 2.7 times (167%) higher than Northern Ireland's.
Official Websites
Iowa official website · Northern Ireland official website
More Size Comparisons
All Iowa 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.