The map above shows Idaho and New Brunswick side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Idaho vs New Brunswick Geography
Land area: Idaho has a land area of 82,645 square miles (214,051 km²), while New Brunswick has 27,587 square miles (71,450 km²). Idaho's land area is 3.0 times (200%) larger than New Brunswick's.
Total area: Idaho: 83,569 square miles (216,441 km²) vs New Brunswick: 28,150 square miles (72,908 km²), including inland and coastal water. Idaho's total area is 3.0 times (197%) larger than New Brunswick's.
Length: Idaho is 483 miles (778 km) long from north to south; New Brunswick is 241 miles (388 km). Idaho's north-south length is 2.0 times (100%) longer than New Brunswick's.
Width: Idaho spans 352 miles (566 km) east to west; New Brunswick spans 264 miles (424 km). Idaho's east-west width is 1.3 times (33%) wider than New Brunswick's.
Highest point: Idaho's highest point is Borah Peak at 12,631 feet (3,850 m); New Brunswick's is Mount Carleton at 2,680 feet (817 m). Borah Peak is 9,951 feet higher than Mount Carleton.
Lowest point: Idaho's lowest point is Snake River at 718 feet; New Brunswick's is Atlantic Ocean at 0 feet. New Brunswick's lowest point is 718 feet lower.
Idaho vs New Brunswick Population and History
Population: Idaho has a population of 2,001,619 (2024), while New Brunswick has 867,383 (2026). Idaho's population is 2.3 times (131%) larger than New Brunswick's.
Population density: Idaho: 24.2 people per square mile vs New Brunswick: 31.4. New Brunswick's population density is 1.3 times (30%) higher than Idaho's.
Biggest city: Idaho's biggest city is Boise with 237,963 people; New Brunswick's is Moncton with 79,470. Boise's population is 3.0 times (199%) larger than Moncton's.
Largest metro area: Idaho's largest metropolitan area is Boise City, ID metro area (845,877 people) vs New Brunswick's Moncton CMA (157,717). Boise City, ID metro area's population is 5.4 times (436%) larger than Moncton CMA's.
History: Idaho: Admitted to the Union on July 3, 1890, as the 43rd state. New Brunswick: Joined Confederation on July 1, 1867, as one of the four founding provinces. In its current form, New Brunswick is the older of the two by 23 years.
Idaho vs New Brunswick Economy
GDP: Idaho's GDP is $129.0 billion (2024) vs New Brunswick's $35.3 billion. Idaho's economic output is 3.7 times (265%) larger than New Brunswick's.
GDP per capita: Idaho: $64,457 per person vs New Brunswick: $41,088. Idaho's GDP per capita is 1.6 times (57%) higher than New Brunswick's.
Official Websites
Idaho official website · New Brunswick official website
More Size Comparisons
All Idaho size comparisons · All New Brunswick 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.