The map above shows Arizona and New Jersey side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Arizona vs New Jersey Geography
Land area: Arizona has a land area of 113,655 square miles (294,366 km²), while New Jersey has 7,355 square miles (19,049 km²). Arizona's land area is 15.5 times larger than New Jersey's.
Total area: Arizona: 113,985 square miles (295,220 km²) vs New Jersey: 8,719 square miles (22,583 km²), including inland and coastal water. Arizona's total area is 13.1 times larger than New Jersey's.
Length: Arizona is 429 miles (690 km) long from north to south; New Jersey is 169 miles (271 km). Arizona's north-south length is 2.5 times (154%) longer than New Jersey's.
Width: Arizona spans 452 miles (727 km) east to west; New Jersey spans 129 miles (207 km). Arizona's east-west width is 3.5 times (250%) wider than New Jersey's.
Highest point: Arizona's highest point is Humphreys Peak at 12,620 feet (3,847 m); New Jersey's is High Point at 1,798 feet (548 m). Humphreys Peak is 10,822 feet higher than High Point.
Lowest point: Arizona's lowest point is Colorado River at 71 feet; New Jersey's is Atlantic Ocean at 0 feet. New Jersey's lowest point is 71 feet lower.
Arizona vs New Jersey Population and History
Population: Arizona has a population of 7,582,384 (2024), while New Jersey has 9,500,851 (2024). New Jersey's population is 1.3 times (25%) larger than Arizona's.
Population density: Arizona: 66.7 people per square mile vs New Jersey: 1,291.8. New Jersey's population density is 19.4 times higher than Arizona's.
Biggest city: Arizona's biggest city is Phoenix with 1,673,164 people; New Jersey's is Newark with 317,303. Phoenix's population is 5.3 times (427%) larger than Newark's.
Largest metro area: Arizona's largest metropolitan area is Phoenix-Mesa-Chandler, AZ metro area (5,186,958 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 3.8 times (284%) larger than Phoenix-Mesa-Chandler, AZ metro area's.
History: Arizona: Admitted to the Union on February 14, 1912, as the 48th 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 125 years.
Arizona vs New Jersey Economy
GDP: Arizona's GDP is $570.1 billion (2024) vs New Jersey's $846.0 billion. New Jersey's economic output is 1.5 times (48%) larger than Arizona's.
GDP per capita: Arizona: $75,186 per person vs New Jersey: $89,045. New Jersey's GDP per capita is 1.2 times (18%) higher than Arizona's.
Average income: Arizona: $65,798 vs New Jersey: $84,893 average income per person (per capita personal income). New Jersey's average income is 1.3 times (29%) higher than Arizona's.
Arizona vs New Jersey Counties
Number of counties: Arizona has 15 counties, while New Jersey has 21. New Jersey's county count is 1.4 times (40%) higher than Arizona's.
Biggest county by area: Arizona's largest county is Coconino County at 18,616 square miles; New Jersey's is Burlington County at 799 square miles. Coconino County's land area is 23.3 times larger than Burlington County's.
Smallest county by area: Arizona: Santa Cruz County (1,236 sq mi) vs New Jersey: Hudson County (46 sq mi). Santa Cruz County's land area is 26.8 times larger than Hudson County's.
Most populous county: Arizona: Maricopa County (4,673,096 people) vs New Jersey: Bergen County (978,641 people). Maricopa County's population is 4.8 times (378%) larger than Bergen County's.
Least populous county: Arizona: Greenlee County (9,410 people) vs New Jersey: Salem County (65,874 people). Salem County's population is 7.0 times (600%) larger than Greenlee County's.
Richest county: Arizona: Maricopa County ($72,176 per capita income) vs New Jersey: Somerset County ($121,042). Somerset County's income is 1.7 times (68%) richer than Maricopa County's.
Poorest county: Arizona: Graham County ($44,164 per capita income) vs New Jersey: Cumberland County ($50,843). Cumberland County's income is 1.2 times (15%) richer than Graham County's.
Arizona vs New Jersey Taxes
State income tax: Arizona has a top income tax rate of 2.5%, while New Jersey has a top income tax rate of 10.75%. New Jersey's top rate is 8.25 percentage points higher.
Property tax: Arizona: 0.43% effective rate vs New Jersey: 1.89% of home value per year. New Jersey's rate is 1.46 percentage points higher.
Sales tax: Arizona: 8.54% combined state and average local rate vs New Jersey: 6.6%. Arizona's combined rate is 1.94 percentage points higher.
Official Websites
Arizona official website · New Jersey official website
More Size Comparisons
All Arizona 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.