The map above shows New Jersey and North Dakota side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
New Jersey vs North Dakota Geography
Land area: New Jersey has a land area of 7,355 square miles (19,049 km²), while North Dakota has 68,994 square miles (178,694 km²). North Dakota's land area is 9.4 times (838%) larger than New Jersey's.
Total area: New Jersey: 8,719 square miles (22,583 km²) vs North Dakota: 70,699 square miles (183,109 km²), including inland and coastal water. North Dakota's total area is 8.1 times (711%) larger than New Jersey's.
Length: New Jersey is 169 miles (271 km) long from north to south; North Dakota is 338 miles (544 km). North Dakota's north-south length is 2.0 times (100%) longer than New Jersey's.
Width: New Jersey spans 129 miles (207 km) east to west; North Dakota spans 408 miles (657 km). North Dakota's east-west width is 3.2 times (216%) wider than New Jersey's.
Highest point: New Jersey's highest point is High Point at 1,798 feet (548 m); North Dakota's is White Butte at 3,500 feet (1,067 m). White Butte is 1,702 feet higher than High Point.
Lowest point: New Jersey's lowest point is Atlantic Ocean at 0 feet; North Dakota's is Red River of the North at 754 feet. New Jersey's lowest point is 754 feet lower.
New Jersey vs North Dakota Population and History
Population: New Jersey has a population of 9,500,851 (2024), while North Dakota has 796,568 (2024). New Jersey's population is 11.9 times larger than North Dakota's.
Population density: New Jersey: 1,291.8 people per square mile vs North Dakota: 11.5. New Jersey's population density is 112.3 times higher than North Dakota's.
Biggest city: New Jersey's biggest city is Newark with 317,303 people; North Dakota's is Fargo with 136,285. Newark's population is 2.3 times (133%) larger than Fargo's.
Largest metro area: New Jersey's largest metropolitan area is New York-Newark-Jersey City, NY-NJ metro area (19,940,274 people) vs North Dakota's Fargo, ND-MN metro area (267,793). New York-Newark-Jersey City, NY-NJ metro area's population is 74.5 times larger than Fargo, ND-MN metro area's.
History: New Jersey: Admitted to the Union on December 18, 1787, as the 3rd state. North Dakota: Admitted to the Union on November 2, 1889, as the 39th state. In its current form, New Jersey is the older of the two by 102 years.
New Jersey vs North Dakota Economy
GDP: New Jersey's GDP is $846.0 billion (2024) vs North Dakota's $80.1 billion. New Jersey's economic output is 10.6 times larger than North Dakota's.
GDP per capita: New Jersey: $89,045 per person vs North Dakota: $100,504. North Dakota's GDP per capita is 1.1 times (13%) higher than New Jersey's.
Average income: New Jersey: $84,893 vs North Dakota: $71,749 average income per person (per capita personal income). New Jersey's average income is 1.2 times (18%) higher than North Dakota's.
New Jersey vs North Dakota Counties
Number of counties: New Jersey has 21 counties, while North Dakota has 53. North Dakota's county count is 2.5 times (152%) higher than New Jersey's.
Biggest county by area: New Jersey's largest county is Burlington County at 799 square miles; North Dakota's is McKenzie County at 2,760 square miles. McKenzie County's land area is 3.5 times (245%) larger than Burlington County's.
Smallest county by area: New Jersey: Hudson County (46 sq mi) vs North Dakota: Eddy County (630 sq mi). Eddy County's land area is 13.6 times larger than Hudson County's.
Most populous county: New Jersey: Bergen County (978,641 people) vs North Dakota: Cass County (200,945 people). Bergen County's population is 4.9 times (387%) larger than Cass County's.
Least populous county: New Jersey: Salem County (65,874 people) vs North Dakota: Slope County (660 people). Salem County's population is 99.8 times larger than Slope County's.
Richest county: New Jersey: Somerset County ($121,042 per capita income) vs North Dakota: Dunn County ($99,793). Somerset County's income is 1.2 times (21%) richer than Dunn County's.
Poorest county: New Jersey: Cumberland County ($50,843 per capita income) vs North Dakota: Sioux County ($33,782). Cumberland County's income is 1.5 times (51%) richer than Sioux County's.
New Jersey vs North Dakota Taxes
State income tax: New Jersey has a top income tax rate of 10.75%, while North Dakota has a top income tax rate of 2.5%. New Jersey's top rate is 8.25 percentage points higher.
Property tax: New Jersey: 1.89% effective rate vs North Dakota: 0.96% of home value per year. New Jersey's rate is 0.93 percentage points higher.
Sales tax: New Jersey: 6.6% combined state and average local rate vs North Dakota: 7.09%. North Dakota's combined rate is 0.49 percentage points higher.
Official Websites
New Jersey official website · North Dakota official website
More Size Comparisons
All New Jersey size comparisons · All North Dakota 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.