The map above shows Idaho and New York side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Idaho vs New York Geography
Land area: Idaho has a land area of 82,645 square miles (214,051 km²), while New York has 47,123 square miles (122,049 km²). Idaho's land area is 1.8 times (75%) larger than New York's.
Total area: Idaho: 83,569 square miles (216,441 km²) vs New York: 54,559 square miles (141,306 km²), including inland and coastal water. Idaho's total area is 1.5 times (53%) larger than New York's.
Length: Idaho is 483 miles (778 km) long from north to south; New York is 312 miles (503 km). Idaho's north-south length is 1.5 times (55%) longer than New York's.
Width: Idaho spans 352 miles (566 km) east to west; New York spans 415 miles (668 km). New York's east-west width is 1.2 times (18%) wider than Idaho's.
Highest point: Idaho's highest point is Borah Peak at 12,631 feet (3,850 m); New York's is Mount Marcy at 5,335 feet (1,626 m). Borah Peak is 7,296 feet higher than Mount Marcy.
Lowest point: Idaho's lowest point is Snake River at 718 feet; New York's is Atlantic Ocean at 0 feet. New York's lowest point is 718 feet lower.
Idaho vs New York Population and History
Population: Idaho has a population of 2,001,619 (2024), while New York has 19,867,248 (2024). New York's population is 9.9 times (893%) larger than Idaho's.
Population density: Idaho: 24.2 people per square mile vs New York: 421.6. New York's population density is 17.4 times higher than Idaho's.
Biggest city: Idaho's biggest city is Boise with 237,963 people; New York's is New York with 8,478,072. New York's population is 35.6 times larger than Boise's.
Largest metro area: Idaho's largest metropolitan area is Boise City, ID metro area (845,877 people) vs New York's New York-Newark-Jersey City, NY-NJ metro area (19,940,274). New York-Newark-Jersey City, NY-NJ metro area's population is 23.6 times larger than Boise City, ID metro area's.
History: Idaho: Admitted to the Union on July 3, 1890, as the 43rd state. New York: Admitted to the Union on July 26, 1788, as the 11th state. In its current form, New York is the older of the two by 102 years.
Idaho vs New York Economy
GDP: Idaho's GDP is $129.0 billion (2024) vs New York's $2,322.1 billion. New York's economic output is 18.0 times larger than Idaho's.
GDP per capita: Idaho: $64,457 per person vs New York: $116,883. New York's GDP per capita is 1.8 times (81%) higher than Idaho's.
Average income: Idaho: $62,323 vs New York: $85,552 average income per person (per capita personal income). New York's average income is 1.4 times (37%) higher than Idaho's.
Idaho vs New York Counties
Number of counties: Idaho has 44 counties, while New York has 62. New York's county count is 1.4 times (41%) higher than Idaho's.
Biggest county by area: Idaho's largest county is Idaho County at 8,478 square miles; New York's is St. Lawrence County at 2,680 square miles. Idaho County's land area is 3.2 times (216%) larger than St. Lawrence County's.
Smallest county by area: Idaho: Payette County (407 sq mi) vs New York: New York County (23 sq mi). Payette County's land area is 17.9 times larger than New York County's.
Most populous county: Idaho: Ada County (535,799 people) vs New York: Kings County (2,617,631 people). Kings County's population is 4.9 times (389%) larger than Ada County's.
Least populous county: Idaho: Clark County (794 people) vs New York: Hamilton County (5,082 people). Hamilton County's population is 6.4 times (540%) larger than Clark County's.
Richest county: Idaho: Blaine County ($202,612 per capita income) vs New York: New York County ($217,075). New York County's income is 1.1 times (7%) richer than Blaine County's.
Poorest county: Idaho: Madison County ($29,485 per capita income) vs New York: Allegany County ($44,689). Allegany County's income is 1.5 times (52%) richer than Madison County's.
Idaho vs New York Taxes
State income tax: Idaho has a top income tax rate of 5.3%, while New York has a top income tax rate of 10.9%. New York's top rate is 5.6 percentage points higher.
Property tax: Idaho: 0.43% effective rate vs New York: 1.45% of home value per year. New York's rate is 1.02 percentage points higher.
Sales tax: Idaho: 6.03% combined state and average local rate vs New York: 8.54%. New York's combined rate is 2.51 percentage points higher.
Official Websites
Idaho official website · New York official website
More Size Comparisons
All Idaho size comparisons · All New York 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.