The map above shows Louisiana and New Jersey side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Louisiana vs New Jersey Geography
Land area
- Louisiana has a land area of 43,213 square miles (111,921 km²), while New Jersey has 7,355 square miles (19,049 km²).
- Louisiana's land area is 5.9 times (488%) larger than New Jersey's.
Total area
- Louisiana: 52,375 square miles (135,652 km²) vs New Jersey: 8,719 square miles (22,583 km²), including inland and coastal water.
- Louisiana's total area is 6.0 times (501%) larger than New Jersey's.
Length
- Louisiana is 301 miles (484 km) long from north to south; New Jersey is 169 miles (271 km).
- Louisiana's north-south length is 1.8 times (78%) longer than New Jersey's.
Width
- Louisiana spans 356 miles (574 km) east to west; New Jersey spans 129 miles (207 km).
- Louisiana's east-west width is 2.8 times (176%) wider than New Jersey's.
Highest point
- Louisiana's highest point is Driskill Mountain at 533 feet (162 m); New Jersey's is High Point at 1,798 feet (548 m).
- High Point is 1,265 feet higher than Driskill Mountain.
Lowest point
- Louisiana's lowest point is New Orleans at -8 feet; New Jersey's is Atlantic Ocean at 0 feet.
- Louisiana's lowest point is 8 feet lower.
Louisiana vs New Jersey Population and History
Population
- Louisiana has a population of 4,597,740 (2024), while New Jersey has 9,500,851 (2024).
- New Jersey's population is 2.1 times (107%) larger than Louisiana's.
Population density
- Louisiana: 106.4 people per square mile vs New Jersey: 1,291.8.
- New Jersey's population density is 12.1 times higher than Louisiana's.
Biggest city
- Louisiana's biggest city is New Orleans with 362,701 people; New Jersey's is Newark with 317,303.
- New Orleans' population is 1.1 times (14%) larger than Newark's.
Largest metro area
- Louisiana's largest metropolitan area is New Orleans-Metairie, LA metro area (966,230 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 20.6 times larger than New Orleans-Metairie, LA metro area's.
History
- Louisiana: Admitted to the Union on April 30, 1812, as the 18th 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 25 years.
Louisiana vs New Jersey Economy
GDP
- Louisiana's GDP is $329.2 billion (2024) vs New Jersey's $846.0 billion.
- New Jersey's economic output is 2.6 times (157%) larger than Louisiana's.
GDP per capita
- Louisiana: $71,594 per person vs New Jersey: $89,045.
- New Jersey's GDP per capita is 1.2 times (24%) higher than Louisiana's.
Average income
- Louisiana: $61,897 vs New Jersey: $84,893 average income per person (per capita personal income).
- New Jersey's average income is 1.4 times (37%) higher than Louisiana's.
Louisiana vs New Jersey Counties
Number of counties
- Louisiana has 64 counties, while New Jersey has 21.
- Louisiana's county count is 3.0 times (205%) higher than New Jersey's.
Biggest county by area
- Louisiana's largest county is Vernon Parish at 1,327 square miles; New Jersey's is Burlington County at 799 square miles.
- Vernon Parish's land area is 1.7 times (66%) larger than Burlington County's.
Smallest county by area
- Louisiana: Orleans Parish (170 sq mi) vs New Jersey: Hudson County (46 sq mi).
- Orleans Parish's land area is 3.7 times (267%) larger than Hudson County's.
Most populous county
- Louisiana: East Baton Rouge Parish (453,022 people) vs New Jersey: Bergen County (978,641 people).
- Bergen County's population is 2.2 times (116%) larger than East Baton Rouge Parish's.
Least populous county
- Louisiana: Tensas Parish (3,844 people) vs New Jersey: Salem County (65,874 people).
- Salem County's population is 17.1 times larger than Tensas Parish's.
Richest county
- Louisiana: St. Tammany Parish ($82,398 per capita income) vs New Jersey: Somerset County ($121,042).
- Somerset County's income is 1.5 times (47%) richer than St. Tammany Parish's.
Poorest county
- Louisiana: East Carroll Parish ($36,751 per capita income) vs New Jersey: Cumberland County ($50,843).
- Cumberland County's income is 1.4 times (38%) richer than East Carroll Parish's.
Louisiana vs New Jersey Taxes
State income tax
- Louisiana has a top income tax rate of 3%, while New Jersey has a top income tax rate of 10.75%.
- New Jersey's top rate is 7.75 percentage points higher.
Property tax
- Louisiana: 0.53% effective rate vs New Jersey: 1.89% of home value per year.
- New Jersey's rate is 1.36 percentage points higher.
Sales tax
- Louisiana: 10.13% combined state and average local rate vs New Jersey: 6.6%.
- Louisiana's combined rate is 3.53 percentage points higher.
Official Websites
Louisiana official website · New Jersey official website
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More Size Comparisons
All Louisiana 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.