The map above shows New Jersey and Tennessee side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
New Jersey vs Tennessee Geography
Land area: New Jersey has a land area of 7,355 square miles (19,049 km²), while Tennessee has 41,224 square miles (106,770 km²). Tennessee's land area is 5.6 times (461%) larger than New Jersey's.
Total area: New Jersey: 8,719 square miles (22,583 km²) vs Tennessee: 42,130 square miles (109,116 km²), including inland and coastal water. Tennessee's total area is 4.8 times (383%) larger than New Jersey's.
Length: New Jersey is 169 miles (271 km) long from north to south; Tennessee is 191 miles (308 km). Tennessee's north-south length is 1.1 times (13%) longer than New Jersey's.
Width: New Jersey spans 129 miles (207 km) east to west; Tennessee spans 497 miles (800 km). Tennessee's east-west width is 3.9 times (285%) wider than New Jersey's.
Highest point: New Jersey's highest point is High Point at 1,798 feet (548 m); Tennessee's is Clingmans Dome at 6,624 feet (2,019 m). Clingmans Dome is 4,826 feet higher than High Point.
Lowest point: New Jersey's lowest point is Atlantic Ocean at 0 feet; Tennessee's is Mississippi River at 178 feet. New Jersey's lowest point is 178 feet lower.
New Jersey vs Tennessee Population and History
Population: New Jersey has a population of 9,500,851 (2024), while Tennessee has 7,227,750 (2024). New Jersey's population is 1.3 times (31%) larger than Tennessee's.
Population density: New Jersey: 1,291.8 people per square mile vs Tennessee: 175.3. New Jersey's population density is 7.4 times (637%) higher than Tennessee's.
Biggest city: New Jersey's biggest city is Newark with 317,303 people; Tennessee's is Nashville with 704,963. Nashville's population is 2.2 times (122%) 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 Tennessee's Nashville-Davidson--Murfreesboro--Franklin, TN metro area (2,150,553). New York-Newark-Jersey City, NY-NJ metro area's population is 9.3 times (827%) larger than Nashville-Davidson--Murfreesboro--Franklin, TN metro area's.
History: New Jersey: Admitted to the Union on December 18, 1787, as the 3rd state. Tennessee: Admitted to the Union on June 1, 1796, as the 16th state. In its current form, New Jersey is the older of the two by 9 years.
New Jersey vs Tennessee Economy
GDP: New Jersey's GDP is $846.0 billion (2024) vs Tennessee's $561.2 billion. New Jersey's economic output is 1.5 times (51%) larger than Tennessee's.
GDP per capita: New Jersey: $89,045 per person vs Tennessee: $77,645. New Jersey's GDP per capita is 1.1 times (15%) higher than Tennessee's.
Average income: New Jersey: $84,893 vs Tennessee: $66,504 average income per person (per capita personal income). New Jersey's average income is 1.3 times (28%) higher than Tennessee's.
New Jersey vs Tennessee Counties
Number of counties: New Jersey has 21 counties, while Tennessee has 95. Tennessee's county count is 4.5 times (352%) higher than New Jersey's.
Biggest county by area: New Jersey's largest county is Burlington County at 799 square miles; Tennessee's is Shelby County at 753 square miles. Burlington County's land area is 1.1 times (6%) larger than Shelby County's.
Smallest county by area: New Jersey: Hudson County (46 sq mi) vs Tennessee: Trousdale County (114 sq mi). Trousdale County's land area is 2.5 times (147%) larger than Hudson County's.
Most populous county: New Jersey: Bergen County (978,641 people) vs Tennessee: Shelby County (910,530 people). Bergen County's population is 1.1 times (7%) larger than Shelby County's.
Least populous county: New Jersey: Salem County (65,874 people) vs Tennessee: Pickett County (5,108 people). Salem County's population is 12.9 times larger than Pickett County's.
Richest county: New Jersey: Somerset County ($121,042 per capita income) vs Tennessee: Williamson County ($139,704). Williamson County's income is 1.2 times (15%) richer than Somerset County's.
Poorest county: New Jersey: Cumberland County ($50,843 per capita income) vs Tennessee: Lake County ($31,572). Cumberland County's income is 1.6 times (61%) richer than Lake County's.
New Jersey vs Tennessee Taxes
State income tax: New Jersey has a top income tax rate of 10.75%, while Tennessee has no state income tax. New Jersey's top rate is 10.75 percentage points higher.
Property tax: New Jersey: 1.89% effective rate vs Tennessee: 0.45% of home value per year. New Jersey's rate is 1.44 percentage points higher.
Sales tax: New Jersey: 6.6% combined state and average local rate vs Tennessee: 9.61%. Tennessee's combined rate is 3.01 percentage points higher.
Official Websites
New Jersey official website · Tennessee official website
More Size Comparisons
All New Jersey size comparisons · All Tennessee 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.