The map above shows New Jersey and Wales side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
New Jersey vs Wales Geography
Land area: New Jersey has a land area of 7,355 square miles (19,049 km²), while Wales has 8,023 square miles (20,779 km²). Wales' land area is 1.1 times (9%) larger than New Jersey's.
Total area: New Jersey: 8,719 square miles (22,583 km²) vs Wales: 8,023 square miles (20,779 km²), including inland and coastal water. New Jersey's total area is 1.1 times (9%) larger than Wales'.
Length: New Jersey is 169 miles (271 km) long from north to south; Wales is 149 miles (239 km). New Jersey's north-south length is 1.1 times (13%) longer than Wales'.
Width: New Jersey spans 129 miles (207 km) east to west; Wales spans 111 miles (179 km). New Jersey's east-west width is 1.2 times (16%) wider than Wales'.
Highest point: New Jersey's highest point is High Point at 1,798 feet (548 m); Wales's is Snowdon (Yr Wyddfa) at 3,560 feet (1,085 m). Snowdon (Yr Wyddfa) is 1,762 feet higher than High Point.
Lowest point: New Jersey's lowest point is Atlantic Ocean at 0 feet; Wales's is Irish Sea at 0 feet. Both lowest points are at or near sea level.
New Jersey vs Wales Population and History
Population: New Jersey has a population of 9,500,851 (2024), while Wales has 3,105,000 (2022). New Jersey's population is 3.1 times (206%) larger than Wales'.
Population density: New Jersey: 1,291.8 people per square mile vs Wales: 387.0. New Jersey's population density is 3.3 times (234%) higher than Wales'.
Biggest city: New Jersey's biggest city is Newark with 317,303 people; Wales's is Cardiff with 372,089. Cardiff's population is 1.2 times (17%) larger than Newark's.
History: New Jersey: Admitted to the Union on December 18, 1787, as the 3rd state. Wales: A country within the United Kingdom; formally joined with England by the Laws in Wales Acts of 1536. In its current form, Wales is the older of the two by 251 years.
New Jersey vs Wales Economy
GDP: New Jersey's GDP is $846.0 billion (2024) vs Wales's $89.5 billion. New Jersey's economic output is 9.5 times (845%) larger than Wales'.
GDP per capita: New Jersey: $89,045 per person vs Wales: $28,606. New Jersey's GDP per capita is 3.1 times (211%) higher than Wales'.
Official Websites
New Jersey official website · Wales official website
More Size Comparisons
All New Jersey size comparisons · All Wales 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.