The map above shows New Jersey and New York side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
New Jersey vs New York Geography
Land area: New Jersey has a land area of 7,355 square miles (19,049 km²), while New York has 47,123 square miles (122,049 km²). New York's land area is 6.4 times (541%) larger than New Jersey's.
Total area: New Jersey: 8,719 square miles (22,583 km²) vs New York: 54,559 square miles (141,306 km²), including inland and coastal water. New York's total area is 6.3 times (526%) larger than New Jersey's.
Length: New Jersey is 169 miles (271 km) long from north to south; New York is 312 miles (503 km). New York's north-south length is 1.8 times (85%) longer than New Jersey's.
Width: New Jersey spans 129 miles (207 km) east to west; New York spans 415 miles (668 km). New York's east-west width is 3.2 times (222%) wider than New Jersey's.
Highest point: New Jersey's highest point is High Point at 1,798 feet (548 m); New York's is Mount Marcy at 5,335 feet (1,626 m). Mount Marcy is 3,537 feet higher than High Point.
Lowest point: New Jersey's lowest point is Atlantic Ocean at 0 feet; New York's is Atlantic Ocean at 0 feet. Both lowest points are at or near sea level.
New Jersey vs New York Population and History
Population: New Jersey has a population of 9,500,851 (2024), while New York has 19,867,248 (2024). New York's population is 2.1 times (109%) larger than New Jersey's.
Population density: New Jersey: 1,291.8 people per square mile vs New York: 421.6. New Jersey's population density is 3.1 times (206%) higher than New York's.
Biggest city: New Jersey's biggest city is Newark with 317,303 people; New York's is New York with 8,478,072. New York's population is 26.7 times larger than Newark'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 New York's New York-Newark-Jersey City, NY-NJ metro area (19,940,274). New York-Newark-Jersey City, NY-NJ metro area and New York-Newark-Jersey City, NY-NJ metro area have about the same population.
History: New Jersey: Admitted to the Union on December 18, 1787, as the 3rd state. New York: Admitted to the Union on July 26, 1788, as the 11th state. In its current form, New Jersey is the older of the two by 1 years.
New Jersey vs New York Economy
GDP: New Jersey's GDP is $846.0 billion (2024) vs New York's $2,322.1 billion. New York's economic output is 2.7 times (174%) larger than New Jersey's.
GDP per capita: New Jersey: $89,045 per person vs New York: $116,883. New York's GDP per capita is 1.3 times (31%) higher than New Jersey's.
Average income: New Jersey: $84,893 vs New York: $85,552 average income per person (per capita personal income). New Jersey and New York have about the same average income.
New Jersey vs New York Counties
Number of counties: New Jersey has 21 counties, while New York has 62. New York's county count is 3.0 times (195%) higher than New Jersey's.
Biggest county by area: New Jersey's largest county is Burlington County at 799 square miles; New York's is St. Lawrence County at 2,680 square miles. St. Lawrence County's land area is 3.4 times (235%) larger than Burlington County's.
Smallest county by area: New Jersey: Hudson County (46 sq mi) vs New York: New York County (23 sq mi). Hudson County's land area is 2.0 times (104%) larger than New York County's.
Most populous county: New Jersey: Bergen County (978,641 people) vs New York: Kings County (2,617,631 people). Kings County's population is 2.7 times (167%) larger than Bergen County's.
Least populous county: New Jersey: Salem County (65,874 people) vs New York: Hamilton County (5,082 people). Salem County's population is 13.0 times larger than Hamilton County's.
Richest county: New Jersey: Somerset County ($121,042 per capita income) vs New York: New York County ($217,075). New York County's income is 1.8 times (79%) richer than Somerset County's.
Poorest county: New Jersey: Cumberland County ($50,843 per capita income) vs New York: Allegany County ($44,689). Cumberland County's income is 1.1 times (14%) richer than Allegany County's.
New Jersey vs New York Taxes
State income tax: New Jersey has a top income tax rate of 10.75%, while New York has a top income tax rate of 10.9%. New York's top rate is 0.15 percentage points higher.
Property tax: New Jersey: 1.89% effective rate vs New York: 1.45% of home value per year. New Jersey's rate is 0.44 percentage points higher.
Sales tax: New Jersey: 6.6% combined state and average local rate vs New York: 8.54%. New York's combined rate is 1.94 percentage points higher.
Official Websites
New Jersey official website · New York official website
More Size Comparisons
All New Jersey 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.