The map above shows Iowa and New Brunswick side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Iowa vs New Brunswick Geography
Land area: Iowa has a land area of 55,854 square miles (144,660 km²), while New Brunswick has 27,587 square miles (71,450 km²). Iowa's land area is 2.0 times (102%) larger than New Brunswick's.
Total area: Iowa: 56,273 square miles (145,746 km²) vs New Brunswick: 28,150 square miles (72,908 km²), including inland and coastal water. Iowa's total area is 2.0 times (100%) larger than New Brunswick's.
Length: Iowa is 216 miles (347 km) long from north to south; New Brunswick is 241 miles (388 km). New Brunswick's north-south length is 1.1 times (12%) longer than Iowa's.
Width: Iowa spans 335 miles (539 km) east to west; New Brunswick spans 264 miles (424 km). Iowa's east-west width is 1.3 times (27%) wider than New Brunswick's.
Highest point: Iowa's highest point is Hawkeye Point at 1,669 feet (509 m); New Brunswick's is Mount Carleton at 2,680 feet (817 m). Mount Carleton is 1,011 feet higher than Hawkeye Point.
Lowest point: Iowa's lowest point is Mississippi River at 480 feet; New Brunswick's is Atlantic Ocean at 0 feet. New Brunswick's lowest point is 480 feet lower.
Iowa vs New Brunswick Population and History
Population: Iowa has a population of 3,241,488 (2024), while New Brunswick has 867,383 (2026). Iowa's population is 3.7 times (274%) larger than New Brunswick's.
Population density: Iowa: 58.0 people per square mile vs New Brunswick: 31.4. Iowa's population density is 1.8 times (85%) higher than New Brunswick's.
Biggest city: Iowa's biggest city is Des Moines with 213,096 people; New Brunswick's is Moncton with 79,470. Des Moines' population is 2.7 times (168%) larger than Moncton's.
Largest metro area: Iowa's largest metropolitan area is Omaha, NE-IA metro area (1,001,010 people) vs New Brunswick's Moncton CMA (157,717). Omaha, NE-IA metro area's population is 6.3 times (535%) larger than Moncton CMA's.
History: Iowa: Admitted to the Union on December 28, 1846, as the 29th state. New Brunswick: Joined Confederation on July 1, 1867, as one of the four founding provinces. In its current form, Iowa is the older of the two by 21 years.
Iowa vs New Brunswick Economy
GDP: Iowa's GDP is $265.8 billion (2024) vs New Brunswick's $35.3 billion. Iowa's economic output is 7.5 times (653%) larger than New Brunswick's.
GDP per capita: Iowa: $81,998 per person vs New Brunswick: $41,088. Iowa's GDP per capita is 2.0 times (100%) higher than New Brunswick's.
Official Websites
Iowa official website · New Brunswick official website
More Size Comparisons
All Iowa 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.