The map above shows District of Columbia and New Brunswick side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
District of Columbia vs New Brunswick Geography
Land area: District of Columbia has a land area of 61 square miles (158 km²), while New Brunswick has 27,587 square miles (71,450 km²). New Brunswick's land area is 452.2 times larger than District of Columbia's.
Total area: District of Columbia: 68 square miles (177 km²) vs New Brunswick: 28,150 square miles (72,908 km²), including inland and coastal water. New Brunswick's total area is 411.9 times larger than District of Columbia's.
Length: District of Columbia is 13 miles (22 km) long from north to south; New Brunswick is 241 miles (388 km). New Brunswick's north-south length is 18.5 times longer than District of Columbia's.
Width: District of Columbia spans 12 miles (19 km) east to west; New Brunswick spans 264 miles (424 km). New Brunswick's east-west width is 22.0 times wider than District of Columbia's.
Highest point: District of Columbia's highest point is Fort Reno at 429 feet (131 m); New Brunswick's is Mount Carleton at 2,680 feet (817 m). Mount Carleton is 2,251 feet higher than Fort Reno.
Lowest point: District of Columbia's lowest point is Potomac River at 0 feet; New Brunswick's is Atlantic Ocean at 0 feet. Both lowest points are at or near sea level.
District of Columbia vs New Brunswick Population and History
Population: District of Columbia has a population of 702,250 (2024), while New Brunswick has 867,383 (2026). New Brunswick's population is 1.2 times (24%) larger than District of Columbia's.
Population density: District of Columbia: 11,493.5 people per square mile vs New Brunswick: 31.4. District of Columbia's population density is 366.0 times higher than New Brunswick's.
Biggest city: District of Columbia's biggest city is Washington with 702,250 people; New Brunswick's is Moncton with 79,470. Washington's population is 8.8 times (784%) larger than Moncton's.
Largest metro area: District of Columbia's largest metropolitan area is Washington-Arlington-Alexandria, DC-VA-MD-WV metro area (6,436,489 people) vs New Brunswick's Moncton CMA (157,717). Washington-Arlington-Alexandria, DC-VA-MD-WV metro area's population is 40.8 times larger than Moncton CMA's.
History: District of Columbia: The federal district, established by the Residence Act on July 16, 1790; not a state. New Brunswick: Joined Confederation on July 1, 1867, as one of the four founding provinces. In its current form, District of Columbia is the older of the two by 77 years.
District of Columbia vs New Brunswick Economy
GDP: District of Columbia's GDP is $184.3 billion (2024) vs New Brunswick's $35.3 billion. District of Columbia's economic output is 5.2 times (422%) larger than New Brunswick's.
GDP per capita: District of Columbia: $262,439 per person vs New Brunswick: $41,088. District of Columbia's GDP per capita is 6.4 times (539%) higher than New Brunswick's.
Official Websites
District of Columbia official website · New Brunswick official website
More Size Comparisons
All District of Columbia 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.