The map above shows New Jersey and Washington side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
New Jersey vs Washington Geography
Land area
- New Jersey has a land area of 7,355 square miles (19,049 km²), while Washington has 66,455 square miles (172,119 km²).
- Washington's land area is 9.0 times (804%) larger than New Jersey's.
Total area
- New Jersey: 8,719 square miles (22,583 km²) vs Washington: 71,301 square miles (184,668 km²), including inland and coastal water.
- Washington's total area is 8.2 times (718%) larger than New Jersey's.
Length
- New Jersey is 169 miles (271 km) long from north to south; Washington is 238 miles (383 km).
- Washington's north-south length is 1.4 times (41%) longer than New Jersey's.
Width
- New Jersey spans 129 miles (207 km) east to west; Washington spans 399 miles (641 km).
- Washington's east-west width is 3.1 times (209%) wider than New Jersey's.
Highest point
- New Jersey's highest point is High Point at 1,798 feet (548 m); Washington's is Mount Rainier at 14,409 feet (4,392 m).
- Mount Rainier is 12,611 feet higher than High Point.
Lowest point
- New Jersey's lowest point is Atlantic Ocean at 0 feet; Washington's is Pacific Ocean at 0 feet.
- Both lowest points are at or near sea level.
New Jersey vs Washington Population and History
Population
- New Jersey has a population of 9,500,851 (2024), while Washington has 7,958,180 (2024).
- New Jersey's population is 1.2 times (19%) larger than Washington's.
Population density
- New Jersey: 1,291.8 people per square mile vs Washington: 119.8.
- New Jersey's population density is 10.8 times higher than Washington's.
Biggest city
- New Jersey's biggest city is Newark with 317,303 people; Washington's is Seattle with 780,995.
- Seattle's population is 2.5 times (146%) 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 Washington's Seattle-Tacoma-Bellevue, WA metro area (4,145,494).
- New York-Newark-Jersey City, NY-NJ metro area's population is 4.8 times (381%) larger than Seattle-Tacoma-Bellevue, WA metro area's.
History
- New Jersey: Admitted to the Union on December 18, 1787, as the 3rd state.
- Washington: Admitted to the Union on November 11, 1889, as the 42nd state.
- In its current form, New Jersey is the older of the two by 102 years.
New Jersey vs Washington Economy
GDP
- New Jersey's GDP is $846.0 billion (2024) vs Washington's $856.0 billion.
- New Jersey and Washington have about the same economic output.
GDP per capita
- New Jersey: $89,045 per person vs Washington: $107,564.
- Washington's GDP per capita is 1.2 times (21%) higher than New Jersey's.
Average income
- New Jersey: $84,893 vs Washington: $85,187 average income per person (per capita personal income).
- New Jersey and Washington have about the same average income.
New Jersey vs Washington Counties
Number of counties
- New Jersey has 21 counties, while Washington has 39.
- Washington's county count is 1.9 times (86%) higher than New Jersey's.
Biggest county by area
- New Jersey's largest county is Burlington County at 799 square miles; Washington's is Okanogan County at 5,266 square miles.
- Okanogan County's land area is 6.6 times (559%) larger than Burlington County's.
Smallest county by area
- New Jersey: Hudson County (46 sq mi) vs Washington: San Juan County (174 sq mi).
- San Juan County's land area is 3.8 times (276%) larger than Hudson County's.
Most populous county
- New Jersey: Bergen County (978,641 people) vs Washington: King County (2,340,211 people).
- King County's population is 2.4 times (139%) larger than Bergen County's.
Least populous county
- New Jersey: Salem County (65,874 people) vs Washington: Garfield County (2,404 people).
- Salem County's population is 27.4 times larger than Garfield County's.
Richest county
- New Jersey: Somerset County ($121,042 per capita income) vs Washington: King County ($128,684).
- King County's income is 1.1 times (6%) richer than Somerset County's.
Poorest county
- New Jersey: Cumberland County ($50,843 per capita income) vs Washington: Ferry County ($50,456).
- Cumberland County and Ferry County have about the same income.
New Jersey vs Washington Taxes
State income tax
- New Jersey has a top income tax rate of 10.75%, while Washington has a 9% tax on capital gains only.
Property tax
- New Jersey: 1.89% effective rate vs Washington: 0.79% of home value per year.
- New Jersey's rate is 1.1 percentage points higher.
Sales tax
- New Jersey: 6.6% combined state and average local rate vs Washington: 9.57%.
- Washington's combined rate is 2.97 percentage points higher.
Official Websites
New Jersey official website · Washington official website
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More Size Comparisons
All New Jersey size comparisons · All Washington 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.