The map above shows Idaho and Northern Mariana Islands side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Idaho vs Northern Mariana Islands Geography
Land area: Idaho has a land area of 82,645 square miles (214,051 km²), while Northern Mariana Islands has 179 square miles (464 km²). Idaho's land area is 461.3 times larger than Northern Mariana Islands'.
Total area: Idaho: 83,569 square miles (216,441 km²) vs Northern Mariana Islands: 179 square miles (464 km²), including inland and coastal water. Idaho's total area is 466.5 times larger than Northern Mariana Islands'.
Length: Idaho is 483 miles (778 km) long from north to south; Northern Mariana Islands is 326 miles (524 km). Idaho's north-south length is 1.5 times (48%) longer than Northern Mariana Islands'.
Width: Idaho spans 352 miles (566 km) east to west; Northern Mariana Islands spans 278 miles (448 km). Idaho's east-west width is 1.3 times (27%) wider than Northern Mariana Islands'.
Highest point: Idaho's highest point is Borah Peak at 12,631 feet (3,850 m); Northern Mariana Islands's is Agrihan at 3,166 feet (965 m). Borah Peak is 9,465 feet higher than Agrihan.
Lowest point: Idaho's lowest point is Snake River at 718 feet; Northern Mariana Islands's is Pacific Ocean at 0 feet. Northern Mariana Islands's lowest point is 718 feet lower.
Idaho vs Northern Mariana Islands Population and History
Population: Idaho has a population of 2,001,619 (2024), while Northern Mariana Islands has 47,329 (2020). Idaho's population is 42.3 times larger than Northern Mariana Islands'.
Population density: Idaho: 24.2 people per square mile vs Northern Mariana Islands: 264.4. Northern Mariana Islands' population density is 10.9 times higher than Idaho's.
History: Idaho: Admitted to the Union on July 3, 1890, as the 43rd state. Northern Mariana Islands: A US commonwealth since 1978. In its current form, Idaho is the older of the two by 88 years.
Official Websites
Idaho official website · Northern Mariana Islands official website
More Size Comparisons
All Idaho size comparisons · All Northern Mariana Islands 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.