The map above shows New Jersey and Wisconsin side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
New Jersey vs Wisconsin Geography
Land area
- New Jersey has a land area of 7,355 square miles (19,049 km²), while Wisconsin has 54,168 square miles (140,294 km²).
- Wisconsin's land area is 7.4 times (636%) larger than New Jersey's.
Total area
- New Jersey: 8,719 square miles (22,583 km²) vs Wisconsin: 65,497 square miles (169,636 km²), including inland and coastal water.
- Wisconsin's total area is 7.5 times (651%) larger than New Jersey's.
Length
- New Jersey is 169 miles (271 km) long from north to south; Wisconsin is 368 miles (593 km).
- Wisconsin's north-south length is 2.2 times (118%) longer than New Jersey's.
Width
- New Jersey spans 129 miles (207 km) east to west; Wisconsin spans 323 miles (521 km).
- Wisconsin's east-west width is 2.5 times (150%) wider than New Jersey's.
Highest point
- New Jersey's highest point is High Point at 1,798 feet (548 m); Wisconsin's is Timms Hill at 1,946 feet (593 m).
- Timms Hill is 148 feet higher than High Point.
Lowest point
- New Jersey's lowest point is Atlantic Ocean at 0 feet; Wisconsin's is Lake Michigan at 577 feet.
- New Jersey's lowest point is 577 feet lower.
New Jersey vs Wisconsin Population and History
Population
- New Jersey has a population of 9,500,851 (2024), while Wisconsin has 5,960,975 (2024).
- New Jersey's population is 1.6 times (59%) larger than Wisconsin's.
Population density
- New Jersey: 1,291.8 people per square mile vs Wisconsin: 110.0.
- New Jersey's population density is 11.7 times higher than Wisconsin's.
Biggest city
- New Jersey's biggest city is Newark with 317,303 people; Wisconsin's is Milwaukee with 563,531.
- Milwaukee's population is 1.8 times (78%) 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 Wisconsin's Minneapolis-St. Paul-Bloomington, MN-WI metro area (3,757,952).
- New York-Newark-Jersey City, NY-NJ metro area's population is 5.3 times (431%) larger than Minneapolis-St. Paul-Bloomington, MN-WI metro area's.
History
- New Jersey: Admitted to the Union on December 18, 1787, as the 3rd state.
- Wisconsin: Admitted to the Union on May 29, 1848, as the 30th state.
- In its current form, New Jersey is the older of the two by 61 years.
New Jersey vs Wisconsin Economy
GDP
- New Jersey's GDP is $846.0 billion (2024) vs Wisconsin's $453.3 billion.
- New Jersey's economic output is 1.9 times (87%) larger than Wisconsin's.
GDP per capita
- New Jersey: $89,045 per person vs Wisconsin: $76,044.
- New Jersey's GDP per capita is 1.2 times (17%) higher than Wisconsin's.
Average income
- New Jersey: $84,893 vs Wisconsin: $67,755 average income per person (per capita personal income).
- New Jersey's average income is 1.3 times (25%) higher than Wisconsin's.
New Jersey vs Wisconsin Counties
Number of counties
- New Jersey has 21 counties, while Wisconsin has 72.
- Wisconsin's county count is 3.4 times (243%) higher than New Jersey's.
Biggest county by area
- New Jersey's largest county is Burlington County at 799 square miles; Wisconsin's is Marathon County at 1,545 square miles.
- Marathon County's land area is 1.9 times (93%) larger than Burlington County's.
Smallest county by area
- New Jersey: Hudson County (46 sq mi) vs Wisconsin: Pepin County (232 sq mi).
- Pepin County's land area is 5.0 times (402%) larger than Hudson County's.
Most populous county
- New Jersey: Bergen County (978,641 people) vs Wisconsin: Milwaukee County (924,740 people).
- Bergen County's population is 1.1 times (6%) larger than Milwaukee County's.
Least populous county
- New Jersey: Salem County (65,874 people) vs Wisconsin: Menominee County (4,286 people).
- Salem County's population is 15.4 times larger than Menominee County's.
Richest county
- New Jersey: Somerset County ($121,042 per capita income) vs Wisconsin: Ozaukee County ($109,947).
- Somerset County's income is 1.1 times (10%) richer than Ozaukee County's.
Poorest county
- New Jersey: Cumberland County ($50,843 per capita income) vs Wisconsin: Menominee County ($43,696).
- Cumberland County's income is 1.2 times (16%) richer than Menominee County's.
New Jersey vs Wisconsin Taxes
State income tax
- New Jersey has a top income tax rate of 10.75%, while Wisconsin has a top income tax rate of 7.65%.
- New Jersey's top rate is 3.1 percentage points higher.
Property tax
- New Jersey: 1.89% effective rate vs Wisconsin: 1.25% of home value per year.
- New Jersey's rate is 0.64 percentage points higher.
Sales tax
- New Jersey: 6.6% combined state and average local rate vs Wisconsin: 5.72%.
- New Jersey's combined rate is 0.88 percentage points higher.
Official Websites
New Jersey official website · Wisconsin official website
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More Size Comparisons
All New Jersey size comparisons · All Wisconsin 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.