The map above shows Colorado and New Jersey side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Colorado vs New Jersey Geography
Land area
- Colorado has a land area of 103,637 square miles (268,419 km²), while New Jersey has 7,355 square miles (19,049 km²).
- Colorado's land area is 14.1 times larger than New Jersey's.
Total area
- Colorado: 104,095 square miles (269,605 km²) vs New Jersey: 8,719 square miles (22,583 km²), including inland and coastal water.
- Colorado's total area is 11.9 times larger than New Jersey's.
Length
- Colorado is 467 miles (751 km) long from north to south; New Jersey is 169 miles (271 km).
- Colorado's north-south length is 2.8 times (176%) longer than New Jersey's.
Width
- Colorado spans 387 miles (622 km) east to west; New Jersey spans 129 miles (207 km).
- Colorado's east-west width is 3.0 times (200%) wider than New Jersey's.
Highest point
- Colorado's highest point is Mount Elbert at 14,422 feet (4,396 m); New Jersey's is High Point at 1,798 feet (548 m).
- Mount Elbert is 12,624 feet higher than High Point.
Lowest point
- Colorado's lowest point is Arikaree River at 3,326 feet; New Jersey's is Atlantic Ocean at 0 feet.
- New Jersey's lowest point is 3,326 feet lower.
Colorado vs New Jersey Population and History
Population
- Colorado has a population of 5,957,493 (2024), while New Jersey has 9,500,851 (2024).
- New Jersey's population is 1.6 times (59%) larger than Colorado's.
Population density
- Colorado: 57.5 people per square mile vs New Jersey: 1,291.8.
- New Jersey's population density is 22.5 times higher than Colorado's.
Biggest city
- Colorado's biggest city is Denver with 729,019 people; New Jersey's is Newark with 317,303.
- Denver's population is 2.3 times (130%) larger than Newark's.
Largest metro area
- Colorado's largest metropolitan area is Denver-Aurora-Centennial, CO metro area (3,052,498 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 6.5 times (553%) larger than Denver-Aurora-Centennial, CO metro area's.
History
- Colorado: Admitted to the Union on August 1, 1876, as the 38th 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 89 years.
Colorado vs New Jersey Economy
GDP
- Colorado's GDP is $557.6 billion (2024) vs New Jersey's $846.0 billion.
- New Jersey's economic output is 1.5 times (52%) larger than Colorado's.
GDP per capita
- Colorado: $93,602 per person vs New Jersey: $89,045.
- Colorado's GDP per capita is 1.1 times (5%) higher than New Jersey's.
Average income
- Colorado: $83,055 vs New Jersey: $84,893 average income per person (per capita personal income).
- Colorado and New Jersey have about the same average income.
Colorado vs New Jersey Counties
Number of counties
- Colorado has 64 counties, while New Jersey has 21.
- Colorado's county count is 3.0 times (205%) higher than New Jersey's.
Biggest county by area
- Colorado's largest county is Las Animas County at 4,773 square miles; New Jersey's is Burlington County at 799 square miles.
- Las Animas County's land area is 6.0 times (497%) larger than Burlington County's.
Smallest county by area
- Colorado: Broomfield County (33 sq mi) vs New Jersey: Hudson County (46 sq mi).
- Hudson County's land area is 1.4 times (40%) larger than Broomfield County's.
Most populous county
- Colorado: El Paso County (752,772 people) vs New Jersey: Bergen County (978,641 people).
- Bergen County's population is 1.3 times (30%) larger than El Paso County's.
Least populous county
- Colorado: Hinsdale County (747 people) vs New Jersey: Salem County (65,874 people).
- Salem County's population is 88.2 times larger than Hinsdale County's.
Richest county
- Colorado: Pitkin County ($275,044 per capita income) vs New Jersey: Somerset County ($121,042).
- Pitkin County's income is 2.3 times (127%) richer than Somerset County's.
Poorest county
- Colorado: Crowley County ($27,232 per capita income) vs New Jersey: Cumberland County ($50,843).
- Cumberland County's income is 1.9 times (87%) richer than Crowley County's.
Colorado vs New Jersey Taxes
State income tax
- Colorado has a top income tax rate of 4.4%, while New Jersey has a top income tax rate of 10.75%.
- New Jersey's top rate is 6.35 percentage points higher.
Property tax
- Colorado: 0.49% effective rate vs New Jersey: 1.89% of home value per year.
- New Jersey's rate is 1.4 percentage points higher.
Sales tax
- Colorado: 7.89% combined state and average local rate vs New Jersey: 6.6%.
- Colorado's combined rate is 1.29 percentage points higher.
Official Websites
Colorado official website · New Jersey official website
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More Size Comparisons
All Colorado 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.