The map above shows Idaho and China side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Idaho vs China Geography
Land area: Idaho has a land area of 82,645 square miles (214,051 km²), while China has 3,600,947 square miles (9,326,410 km²). China's land area is 43.6 times larger than Idaho's.
Total area: Idaho: 83,569 square miles (216,441 km²) vs China: 3,705,407 square miles (9,596,960 km²), including inland and coastal water. China's total area is 44.3 times larger than Idaho's.
Length: Idaho is 483 miles (778 km) long from north to south; China is 2,551 miles (4,105 km). China's north-south length is 5.3 times (428%) longer than Idaho's.
Width: Idaho spans 352 miles (566 km) east to west; China spans 3,040 miles (4,892 km). China's east-west width is 8.6 times (764%) wider than Idaho's.
Highest point: Idaho's highest point is Borah Peak at 12,631 feet (3,850 m); China's is Mount Everest at 29,032 feet (8,849 m). Mount Everest is 16,401 feet higher than Borah Peak.
Lowest point: Idaho's lowest point is Snake River at 718 feet; China's is Turpan Depression at -505 feet. China's lowest point is 1,223 feet lower.
Idaho vs China Population and History
Population: Idaho has a population of 2,001,619 (2024), while China has 1,404,890,000 (2025). China's population is 701.9 times larger than Idaho's.
Population density: Idaho: 24.2 people per square mile vs China: 390.1. China's population density is 16.1 times higher than Idaho's.
Biggest city: Idaho's biggest city is Boise with 237,963 people; China's is Shanghai with 24,870,895. Shanghai's population is 104.5 times larger than Boise's.
Largest metro area: Idaho's largest metropolitan area is Boise City, ID metro area (845,877 people) vs China's Shanghai (29,558,908). Shanghai's population is 34.9 times larger than Boise City, ID metro area's.
History: Idaho: Admitted to the Union on July 3, 1890, as the 43rd state. China: The People's Republic of China was founded on October 1, 1949. In its current form, Idaho is the older of the two by 59 years.
Idaho vs China Economy
GDP: Idaho's GDP is $129.0 billion (2024) vs China's $19,498.0 billion. China's economic output is 151.1 times larger than Idaho's.
GDP per capita: Idaho: $64,457 per person vs China: $13,862. Idaho's GDP per capita is 4.6 times (365%) higher than China's.
Average income: Idaho: $62,323 vs China: $14,230 average income per person (per capita personal income). Idaho's average income is 4.4 times (338%) higher than China's.
Official Websites
Idaho official website · China official website
More Size Comparisons
All Idaho size comparisons · All China 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.