The map above shows New Jersey and New Mexico side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
New Jersey vs New Mexico Geography
Land area: New Jersey has a land area of 7,355 square miles (19,049 km²), while New Mexico has 121,313 square miles (314,198 km²). New Mexico's land area is 16.5 times larger than New Jersey's.
Total area: New Jersey: 8,719 square miles (22,583 km²) vs New Mexico: 121,593 square miles (314,925 km²), including inland and coastal water. New Mexico's total area is 13.9 times larger than New Jersey's.
Length: New Jersey is 169 miles (271 km) long from north to south; New Mexico is 395 miles (635 km). New Mexico's north-south length is 2.3 times (134%) longer than New Jersey's.
Width: New Jersey spans 129 miles (207 km) east to west; New Mexico spans 498 miles (801 km). New Mexico's east-west width is 3.9 times (286%) wider than New Jersey's.
Highest point: New Jersey's highest point is High Point at 1,798 feet (548 m); New Mexico's is Wheeler Peak at 13,150 feet (4,008 m). Wheeler Peak is 11,352 feet higher than High Point.
Lowest point: New Jersey's lowest point is Atlantic Ocean at 0 feet; New Mexico's is Red Bluff Reservoir at 2,842 feet. New Jersey's lowest point is 2,842 feet lower.
New Jersey vs New Mexico Population and History
Population: New Jersey has a population of 9,500,851 (2024), while New Mexico has 2,130,256 (2024). New Jersey's population is 4.5 times (346%) larger than New Mexico's.
Population density: New Jersey: 1,291.8 people per square mile vs New Mexico: 17.6. New Jersey's population density is 73.4 times higher than New Mexico's.
Biggest city: New Jersey's biggest city is Newark with 317,303 people; New Mexico's is Albuquerque with 560,326. Albuquerque's population is 1.8 times (77%) 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 Mexico's Albuquerque, NM metro area (926,303). New York-Newark-Jersey City, NY-NJ metro area's population is 21.5 times larger than Albuquerque, NM metro area's.
History: New Jersey: Admitted to the Union on December 18, 1787, as the 3rd state. New Mexico: Admitted to the Union on January 6, 1912, as the 47th state. In its current form, New Jersey is the older of the two by 125 years.
New Jersey vs New Mexico Economy
GDP: New Jersey's GDP is $846.0 billion (2024) vs New Mexico's $147.1 billion. New Jersey's economic output is 5.8 times (475%) larger than New Mexico's.
GDP per capita: New Jersey: $89,045 per person vs New Mexico: $69,046. New Jersey's GDP per capita is 1.3 times (29%) higher than New Mexico's.
Average income: New Jersey: $84,893 vs New Mexico: $58,249 average income per person (per capita personal income). New Jersey's average income is 1.5 times (46%) higher than New Mexico's.
New Jersey vs New Mexico Counties
Number of counties: New Jersey has 21 counties, while New Mexico has 33. New Mexico's county count is 1.6 times (57%) higher than New Jersey's.
Biggest county by area: New Jersey's largest county is Burlington County at 799 square miles; New Mexico's is Catron County at 6,924 square miles. Catron County's land area is 8.7 times (766%) larger than Burlington County's.
Smallest county by area: New Jersey: Hudson County (46 sq mi) vs New Mexico: Los Alamos County (109 sq mi). Los Alamos County's land area is 2.4 times (136%) larger than Hudson County's.
Most populous county: New Jersey: Bergen County (978,641 people) vs New Mexico: Bernalillo County (671,747 people). Bergen County's population is 1.5 times (46%) larger than Bernalillo County's.
Least populous county: New Jersey: Salem County (65,874 people) vs New Mexico: Harding County (635 people). Salem County's population is 103.7 times larger than Harding County's.
Richest county: New Jersey: Somerset County ($121,042 per capita income) vs New Mexico: Los Alamos County ($98,378). Somerset County's income is 1.2 times (23%) richer than Los Alamos County's.
Poorest county: New Jersey: Cumberland County ($50,843 per capita income) vs New Mexico: Cibola County ($36,397). Cumberland County's income is 1.4 times (40%) richer than Cibola County's.
New Jersey vs New Mexico Taxes
State income tax: New Jersey has a top income tax rate of 10.75%, while New Mexico has a top income tax rate of 5.9%. New Jersey's top rate is 4.85 percentage points higher.
Property tax: New Jersey: 1.89% effective rate vs New Mexico: 0.63% of home value per year. New Jersey's rate is 1.26 percentage points higher.
Sales tax: New Jersey: 6.6% combined state and average local rate vs New Mexico: 7.68%. New Mexico's combined rate is 1.08 percentage points higher.
Official Websites
New Jersey official website · New Mexico official website
More Size Comparisons
All New Jersey size comparisons · All New Mexico 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.