The map above shows Hawaii and New Jersey side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Hawaii vs New Jersey Geography
Land area: Hawaii has a land area of 6,423 square miles (16,634 km²), while New Jersey has 7,355 square miles (19,049 km²). New Jersey's land area is 1.1 times (15%) larger than Hawaii's.
Total area: Hawaii: 10,970 square miles (28,412 km²) vs New Jersey: 8,719 square miles (22,583 km²), including inland and coastal water. Hawaii's total area is 1.3 times (26%) larger than New Jersey's.
Length: Hawaii is 333 miles (536 km) long from north to south; New Jersey is 169 miles (271 km). Hawaii's north-south length is 2.0 times (97%) longer than New Jersey's.
Width: Hawaii spans 386 miles (621 km) east to west; New Jersey spans 129 miles (207 km). Hawaii's east-west width is 3.0 times (199%) wider than New Jersey's.
Highest point: Hawaii's highest point is Mauna Kea at 13,795 feet (4,205 m); New Jersey's is High Point at 1,798 feet (548 m). Mauna Kea is 11,997 feet higher than High Point.
Lowest point: Hawaii's lowest point is Pacific Ocean at 0 feet; New Jersey's is Atlantic Ocean at 0 feet. Both lowest points are at or near sea level.
Hawaii vs New Jersey Population and History
Population: Hawaii has a population of 1,446,146 (2024), while New Jersey has 9,500,851 (2024). New Jersey's population is 6.6 times (557%) larger than Hawaii's.
Population density: Hawaii: 225.2 people per square mile vs New Jersey: 1,291.8. New Jersey's population density is 5.7 times (474%) higher than Hawaii's.
Biggest city: Hawaii's biggest city is Honolulu with 344,967 people; New Jersey's is Newark with 317,303. Honolulu's population is 1.1 times (9%) larger than Newark's.
Largest metro area: Hawaii's largest metropolitan area is Urban Honolulu, HI metro area (998,747 people) vs New Jersey's New York-Newark-Jersey City, NY-NJ metro area (19,940,274). New York-Newark-Jersey City, NY-NJ metro area's population is 20.0 times larger than Urban Honolulu, HI metro area's.
History: Hawaii: Admitted to the Union on August 21, 1959, as the 50th state. New Jersey: Admitted to the Union on December 18, 1787, as the 3rd state. In its current form, New Jersey is the older of the two by 172 years.
Hawaii vs New Jersey Economy
GDP: Hawaii's GDP is $117.6 billion (2024) vs New Jersey's $846.0 billion. New Jersey's economic output is 7.2 times (619%) larger than Hawaii's.
GDP per capita: Hawaii: $81,339 per person vs New Jersey: $89,045. New Jersey's GDP per capita is 1.1 times (9%) higher than Hawaii's.
Average income: Hawaii: $71,019 vs New Jersey: $84,893 average income per person (per capita personal income). New Jersey's average income is 1.2 times (20%) higher than Hawaii's.
Hawaii vs New Jersey Counties
Number of counties: Hawaii has 5 counties, while New Jersey has 21. New Jersey's county count is 4.2 times (320%) higher than Hawaii's.
Biggest county by area: Hawaii's largest county is Hawaii County at 4,028 square miles; New Jersey's is Burlington County at 799 square miles. Hawaii County's land area is 5.0 times (404%) larger than Burlington County's.
Smallest county by area: Hawaii: Kalawao County (12 sq mi) vs New Jersey: Hudson County (46 sq mi). Hudson County's land area is 3.9 times (285%) larger than Kalawao County's.
Most populous county: Hawaii: Honolulu County (998,747 people) vs New Jersey: Bergen County (978,641 people). Honolulu County and Bergen County have about the same population.
Least populous county: Hawaii: Kalawao County (81 people) vs New Jersey: Salem County (65,874 people). Salem County's population is 813.3 times larger than Kalawao County's.
Richest county: Hawaii: Honolulu County ($74,681 per capita income) vs New Jersey: Somerset County ($121,042). Somerset County's income is 1.6 times (62%) richer than Honolulu County's.
Poorest county: Hawaii: Hawaii County ($57,694 per capita income) vs New Jersey: Cumberland County ($50,843). Hawaii County's income is 1.1 times (13%) richer than Cumberland County's.
Hawaii vs New Jersey Taxes
State income tax: Hawaii has a top income tax rate of 11%, while New Jersey has a top income tax rate of 10.75%. Hawaii's top rate is 0.25 percentage points higher.
Property tax: Hawaii: 0.27% effective rate vs New Jersey: 1.89% of home value per year. New Jersey's rate is 1.62 percentage points higher.
Sales tax: Hawaii: 4.5% combined state and average local rate vs New Jersey: 6.6%. New Jersey's combined rate is 2.1 percentage points higher.
Official Websites
Hawaii official website · New Jersey official website
More Size Comparisons
All Hawaii size comparisons · All New Jersey 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.