The map above shows New Jersey and Oklahoma side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
New Jersey vs Oklahoma Geography
Land area: New Jersey has a land area of 7,355 square miles (19,049 km²), while Oklahoma has 68,597 square miles (177,665 km²). Oklahoma's land area is 9.3 times (833%) larger than New Jersey's.
Total area: New Jersey: 8,719 square miles (22,583 km²) vs Oklahoma: 69,899 square miles (181,038 km²), including inland and coastal water. Oklahoma's total area is 8.0 times (702%) larger than New Jersey's.
Length: New Jersey is 169 miles (271 km) long from north to south; Oklahoma is 533 miles (857 km). Oklahoma's north-south length is 3.2 times (215%) longer than New Jersey's.
Width: New Jersey spans 129 miles (207 km) east to west; Oklahoma spans 490 miles (789 km). Oklahoma's east-west width is 3.8 times (280%) wider than New Jersey's.
Highest point: New Jersey's highest point is High Point at 1,798 feet (548 m); Oklahoma's is Black Mesa at 4,980 feet (1,518 m). Black Mesa is 3,182 feet higher than High Point.
Lowest point: New Jersey's lowest point is Atlantic Ocean at 0 feet; Oklahoma's is Little River at 289 feet. New Jersey's lowest point is 289 feet lower.
New Jersey vs Oklahoma Population and History
Population: New Jersey has a population of 9,500,851 (2024), while Oklahoma has 4,095,393 (2024). New Jersey's population is 2.3 times (132%) larger than Oklahoma's.
Population density: New Jersey: 1,291.8 people per square mile vs Oklahoma: 59.7. New Jersey's population density is 21.6 times higher than Oklahoma's.
Biggest city: New Jersey's biggest city is Newark with 317,303 people; Oklahoma's is Oklahoma City with 712,919. Oklahoma City's population is 2.2 times (125%) 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 Oklahoma's Oklahoma City, OK metro area (1,497,821). New York-Newark-Jersey City, NY-NJ metro area's population is 13.3 times larger than Oklahoma City, OK metro area's.
History: New Jersey: Admitted to the Union on December 18, 1787, as the 3rd state. Oklahoma: Admitted to the Union on November 16, 1907, as the 46th state. In its current form, New Jersey is the older of the two by 120 years.
New Jersey vs Oklahoma Economy
GDP: New Jersey's GDP is $846.0 billion (2024) vs Oklahoma's $263.7 billion. New Jersey's economic output is 3.2 times (221%) larger than Oklahoma's.
GDP per capita: New Jersey: $89,045 per person vs Oklahoma: $64,388. New Jersey's GDP per capita is 1.4 times (38%) higher than Oklahoma's.
Average income: New Jersey: $84,893 vs Oklahoma: $63,708 average income per person (per capita personal income). New Jersey's average income is 1.3 times (33%) higher than Oklahoma's.
New Jersey vs Oklahoma Counties
Number of counties: New Jersey has 21 counties, while Oklahoma has 77. Oklahoma's county count is 3.7 times (267%) higher than New Jersey's.
Biggest county by area: New Jersey's largest county is Burlington County at 799 square miles; Oklahoma's is Osage County at 2,247 square miles. Osage County's land area is 2.8 times (181%) larger than Burlington County's.
Smallest county by area: New Jersey: Hudson County (46 sq mi) vs Oklahoma: Marshall County (372 sq mi). Marshall County's land area is 8.0 times (704%) larger than Hudson County's.
Most populous county: New Jersey: Bergen County (978,641 people) vs Oklahoma: Oklahoma County (816,490 people). Bergen County's population is 1.2 times (20%) larger than Oklahoma County's.
Least populous county: New Jersey: Salem County (65,874 people) vs Oklahoma: Cimarron County (2,133 people). Salem County's population is 30.9 times larger than Cimarron County's.
Richest county: New Jersey: Somerset County ($121,042 per capita income) vs Oklahoma: Washington County ($126,749). Washington County's income is 1.0 times (5%) richer than Somerset County's.
Poorest county: New Jersey: Cumberland County ($50,843 per capita income) vs Oklahoma: Atoka County ($38,709). Cumberland County's income is 1.3 times (31%) richer than Atoka County's.
New Jersey vs Oklahoma Taxes
State income tax: New Jersey has a top income tax rate of 10.75%, while Oklahoma has a top income tax rate of 4.5%. New Jersey's top rate is 6.25 percentage points higher.
Property tax: New Jersey: 1.89% effective rate vs Oklahoma: 0.75% of home value per year. New Jersey's rate is 1.14 percentage points higher.
Sales tax: New Jersey: 6.6% combined state and average local rate vs Oklahoma: 9.06%. Oklahoma's combined rate is 2.46 percentage points higher.
Official Websites
New Jersey official website · Oklahoma official website
More Size Comparisons
All New Jersey size comparisons · All Oklahoma 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.