The map above shows Idaho and North Carolina side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Idaho vs North Carolina Geography
Land area: Idaho has a land area of 82,645 square miles (214,051 km²), while North Carolina has 48,624 square miles (125,936 km²). Idaho's land area is 1.7 times (70%) larger than North Carolina's.
Total area: Idaho: 83,569 square miles (216,441 km²) vs North Carolina: 53,819 square miles (139,390 km²), including inland and coastal water. Idaho's total area is 1.6 times (55%) larger than North Carolina's.
Length: Idaho is 483 miles (778 km) long from north to south; North Carolina is 258 miles (415 km). Idaho's north-south length is 1.9 times (87%) longer than North Carolina's.
Width: Idaho spans 352 miles (566 km) east to west; North Carolina spans 487 miles (784 km). North Carolina's east-west width is 1.4 times (38%) wider than Idaho's.
Highest point: Idaho's highest point is Borah Peak at 12,631 feet (3,850 m); North Carolina's is Mount Mitchell at 6,674 feet (2,034 m). Borah Peak is 5,957 feet higher than Mount Mitchell.
Lowest point: Idaho's lowest point is Snake River at 718 feet; North Carolina's is Atlantic Ocean at 0 feet. North Carolina's lowest point is 718 feet lower.
Idaho vs North Carolina Population and History
Population: Idaho has a population of 2,001,619 (2024), while North Carolina has 11,046,024 (2024). North Carolina's population is 5.5 times (452%) larger than Idaho's.
Population density: Idaho: 24.2 people per square mile vs North Carolina: 227.2. North Carolina's population density is 9.4 times (839%) higher than Idaho's.
Biggest city: Idaho's biggest city is Boise with 237,963 people; North Carolina's is Charlotte with 943,476. Charlotte's population is 4.0 times (296%) larger than Boise's.
Largest metro area: Idaho's largest metropolitan area is Boise City, ID metro area (845,877 people) vs North Carolina's Charlotte-Concord-Gastonia, NC-SC metro area (2,883,370). Charlotte-Concord-Gastonia, NC-SC metro area's population is 3.4 times (241%) larger than Boise City, ID metro area's.
History: Idaho: Admitted to the Union on July 3, 1890, as the 43rd state. North Carolina: Admitted to the Union on November 21, 1789, as the 12th state. In its current form, North Carolina is the older of the two by 101 years.
Idaho vs North Carolina Economy
GDP: Idaho's GDP is $129.0 billion (2024) vs North Carolina's $844.2 billion. North Carolina's economic output is 6.5 times (554%) larger than Idaho's.
GDP per capita: Idaho: $64,457 per person vs North Carolina: $76,427. North Carolina's GDP per capita is 1.2 times (19%) higher than Idaho's.
Average income: Idaho: $62,323 vs North Carolina: $65,634 average income per person (per capita personal income). North Carolina's average income is 1.1 times (5%) higher than Idaho's.
Idaho vs North Carolina Counties
Number of counties: Idaho has 44 counties, while North Carolina has 100. North Carolina's county count is 2.3 times (127%) higher than Idaho's.
Biggest county by area: Idaho's largest county is Idaho County at 8,478 square miles; North Carolina's is Robeson County at 947 square miles. Idaho County's land area is 8.9 times (795%) larger than Robeson County's.
Smallest county by area: Idaho: Payette County (407 sq mi) vs North Carolina: Chowan County (173 sq mi). Payette County's land area is 2.4 times (136%) larger than Chowan County's.
Most populous county: Idaho: Ada County (535,799 people) vs North Carolina: Wake County (1,232,444 people). Wake County's population is 2.3 times (130%) larger than Ada County's.
Least populous county: Idaho: Clark County (794 people) vs North Carolina: Tyrrell County (3,517 people). Tyrrell County's population is 4.4 times (343%) larger than Clark County's.
Richest county: Idaho: Blaine County ($202,612 per capita income) vs North Carolina: Chatham County ($91,638). Blaine County's income is 2.2 times (121%) richer than Chatham County's.
Poorest county: Idaho: Madison County ($29,485 per capita income) vs North Carolina: Warren County ($40,932). Warren County's income is 1.4 times (39%) richer than Madison County's.
Idaho vs North Carolina Taxes
State income tax: Idaho has a top income tax rate of 5.3%, while North Carolina has a top income tax rate of 3.99%. Idaho's top rate is 1.31 percentage points higher.
Property tax: Idaho: 0.43% effective rate vs North Carolina: 0.61% of home value per year. North Carolina's rate is 0.18 percentage points higher.
Sales tax: Idaho: 6.03% combined state and average local rate vs North Carolina: 7.1%. North Carolina's combined rate is 1.07 percentage points higher.
Official Websites
Idaho official website · North Carolina official website
More Size Comparisons
All Idaho size comparisons · All North Carolina 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.