The map above shows Idaho and Italy side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Idaho vs Italy Geography
Land area: Idaho has a land area of 82,645 square miles (214,051 km²), while Italy has 113,568 square miles (294,140 km²). Italy's land area is 1.4 times (37%) larger than Idaho's.
Total area: Idaho: 83,569 square miles (216,441 km²) vs Italy: 116,348 square miles (301,340 km²), including inland and coastal water. Italy's total area is 1.4 times (39%) larger than Idaho's.
Length: Idaho is 483 miles (778 km) long from north to south; Italy is 734 miles (1,181 km). Italy's north-south length is 1.5 times (52%) longer than Idaho's.
Width: Idaho spans 352 miles (566 km) east to west; Italy spans 694 miles (1,117 km). Italy's east-west width is 2.0 times (97%) wider than Idaho's.
Highest point: Idaho's highest point is Borah Peak at 12,631 feet (3,850 m); Italy's is Monte Bianco (Mont Blanc) at 15,778 feet (4,809 m). Monte Bianco (Mont Blanc) is 3,147 feet higher than Borah Peak.
Lowest point: Idaho's lowest point is Snake River at 718 feet; Italy's is Jolanda di Savoia at -10 feet. Italy's lowest point is 728 feet lower.
Idaho vs Italy Population and History
Population: Idaho has a population of 2,001,619 (2024), while Italy has 58,943,673 (2026). Italy's population is 29.4 times larger than Idaho's.
Population density: Idaho: 24.2 people per square mile vs Italy: 519.0. Italy's population density is 21.4 times higher than Idaho's.
Biggest city: Idaho's biggest city is Boise with 237,963 people; Italy's is Rome with 2,748,109. Rome's population is 11.5 times larger than Boise's.
Largest metro area: Idaho's largest metropolitan area is Boise City, ID metro area (845,877 people) vs Italy's Metropolitan City of Rome (4,223,885). Metropolitan City of Rome's population is 5.0 times (399%) larger than Boise City, ID metro area's.
History: Idaho: Admitted to the Union on July 3, 1890, as the 43rd state. Italy: Unified as the Kingdom of Italy on March 17, 1861; a republic since 1946. In its current form, Italy is the older of the two by 29 years.
Idaho vs Italy Economy
GDP: Idaho's GDP is $129.0 billion (2024) vs Italy's $2,551.6 billion. Italy's economic output is 19.8 times larger than Idaho's.
GDP per capita: Idaho: $64,457 per person vs Italy: $43,309. Idaho's GDP per capita is 1.5 times (49%) higher than Italy's.
Average income: Idaho: $62,323 vs Italy: $42,080 average income per person (per capita personal income). Idaho's average income is 1.5 times (48%) higher than Italy's.
Official Websites
Idaho official website · Italy official website
More Size Comparisons
All Idaho size comparisons · All Italy 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.