The map above shows New Jersey and Ohio side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
New Jersey vs Ohio Geography
Land area
- New Jersey has a land area of 7,355 square miles (19,049 km²), while Ohio has 40,859 square miles (105,824 km²).
- Ohio's land area is 5.6 times (456%) larger than New Jersey's.
Total area
- New Jersey: 8,719 square miles (22,583 km²) vs Ohio: 44,826 square miles (116,098 km²), including inland and coastal water.
- Ohio's total area is 5.1 times (414%) larger than New Jersey's.
Length
- New Jersey is 169 miles (271 km) long from north to south; Ohio is 291 miles (468 km).
- Ohio's north-south length is 1.7 times (72%) longer than New Jersey's.
Width
- New Jersey spans 129 miles (207 km) east to west; Ohio spans 317 miles (510 km).
- Ohio's east-west width is 2.5 times (146%) wider than New Jersey's.
Highest point
- New Jersey's highest point is High Point at 1,798 feet (548 m); Ohio's is Campbell Hill at 1,547 feet (472 m).
- High Point is 251 feet higher than Campbell Hill.
Lowest point
- New Jersey's lowest point is Atlantic Ocean at 0 feet; Ohio's is Ohio River at 455 feet.
- New Jersey's lowest point is 455 feet lower.
New Jersey vs Ohio Population and History
Population
- New Jersey has a population of 9,500,851 (2024), while Ohio has 11,883,304 (2024).
- Ohio's population is 1.3 times (25%) larger than New Jersey's.
Population density
- New Jersey: 1,291.8 people per square mile vs Ohio: 290.8.
- New Jersey's population density is 4.4 times (344%) higher than Ohio's.
Biggest city
- New Jersey's biggest city is Newark with 317,303 people; Ohio's is Columbus with 933,263.
- Columbus' population is 2.9 times (194%) 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 Ohio's Cincinnati, OH-KY-IN metro area (2,302,815).
- New York-Newark-Jersey City, NY-NJ metro area's population is 8.7 times (766%) larger than Cincinnati, OH-KY-IN metro area's.
History
- New Jersey: Admitted to the Union on December 18, 1787, as the 3rd state.
- Ohio: Admitted to the Union on March 1, 1803, as the 17th state.
- In its current form, New Jersey is the older of the two by 16 years.
New Jersey vs Ohio Economy
GDP
- New Jersey's GDP is $846.0 billion (2024) vs Ohio's $923.1 billion.
- Ohio's economic output is 1.1 times (9%) larger than New Jersey's.
GDP per capita
- New Jersey: $89,045 per person vs Ohio: $77,684.
- New Jersey's GDP per capita is 1.1 times (15%) higher than Ohio's.
Average income
- New Jersey: $84,893 vs Ohio: $64,464 average income per person (per capita personal income).
- New Jersey's average income is 1.3 times (32%) higher than Ohio's.
New Jersey vs Ohio Counties
Number of counties
- New Jersey has 21 counties, while Ohio has 88.
- Ohio's county count is 4.2 times (319%) higher than New Jersey's.
Biggest county by area
- New Jersey's largest county is Burlington County at 799 square miles; Ohio's is Ashtabula County at 702 square miles.
- Burlington County's land area is 1.1 times (14%) larger than Ashtabula County's.
Smallest county by area
- New Jersey: Hudson County (46 sq mi) vs Ohio: Lake County (229 sq mi).
- Lake County's land area is 5.0 times (397%) larger than Hudson County's.
Most populous county
- New Jersey: Bergen County (978,641 people) vs Ohio: Franklin County (1,356,303 people).
- Franklin County's population is 1.4 times (39%) larger than Bergen County's.
Least populous county
- New Jersey: Salem County (65,874 people) vs Ohio: Vinton County (12,545 people).
- Salem County's population is 5.3 times (425%) larger than Vinton County's.
Richest county
- New Jersey: Somerset County ($121,042 per capita income) vs Ohio: Delaware County ($96,573).
- Somerset County's income is 1.3 times (25%) richer than Delaware County's.
Poorest county
- New Jersey: Cumberland County ($50,843 per capita income) vs Ohio: Noble County ($34,940).
- Cumberland County's income is 1.5 times (46%) richer than Noble County's.
New Jersey vs Ohio Taxes
State income tax
- New Jersey has a top income tax rate of 10.75%, while Ohio has a top income tax rate of 2.75%.
- New Jersey's top rate is 8 percentage points higher.
Property tax
- New Jersey: 1.89% effective rate vs Ohio: 1.22% of home value per year.
- New Jersey's rate is 0.67 percentage points higher.
Sales tax
- New Jersey: 6.6% combined state and average local rate vs Ohio: 7.29%.
- Ohio's combined rate is 0.69 percentage points higher.
Official Websites
New Jersey official website · Ohio official website
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More Size Comparisons
All New Jersey size comparisons · All Ohio 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.