The map above shows Montana and New Jersey side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Montana vs New Jersey Geography
Land area
- Montana has a land area of 145,550 square miles (376,973 km²), while New Jersey has 7,355 square miles (19,049 km²).
- Montana's land area is 19.8 times larger than New Jersey's.
Total area
- Montana: 147,043 square miles (380,840 km²) vs New Jersey: 8,719 square miles (22,583 km²), including inland and coastal water.
- Montana's total area is 16.9 times larger than New Jersey's.
Length
- Montana is 319 miles (514 km) long from north to south; New Jersey is 169 miles (271 km).
- Montana's north-south length is 1.9 times (89%) longer than New Jersey's.
Width
- Montana spans 607 miles (976 km) east to west; New Jersey spans 129 miles (207 km).
- Montana's east-west width is 4.7 times (371%) wider than New Jersey's.
Highest point
- Montana's highest point is Granite Peak at 12,767 feet (3,891 m); New Jersey's is High Point at 1,798 feet (548 m).
- Granite Peak is 10,969 feet higher than High Point.
Lowest point
- Montana's lowest point is Kootenai River at 1,805 feet; New Jersey's is Atlantic Ocean at 0 feet.
- New Jersey's lowest point is 1,805 feet lower.
Montana vs New Jersey Population and History
Population
- Montana has a population of 1,137,233 (2024), while New Jersey has 9,500,851 (2024).
- New Jersey's population is 8.4 times (735%) larger than Montana's.
Population density
- Montana: 7.8 people per square mile vs New Jersey: 1,291.8.
- New Jersey's population density is 165.6 times higher than Montana's.
Biggest city
- Montana's biggest city is Billings with 121,483 people; New Jersey's is Newark with 317,303.
- Newark's population is 2.6 times (161%) larger than Billings'.
Largest metro area
- Montana's largest metropolitan area is Billings, MT metro area (192,531 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 103.6 times larger than Billings, MT metro area's.
History
- Montana: Admitted to the Union on November 8, 1889, as the 41st 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 102 years.
Montana vs New Jersey Economy
GDP
- Montana's GDP is $78.4 billion (2024) vs New Jersey's $846.0 billion.
- New Jersey's economic output is 10.8 times larger than Montana's.
GDP per capita
- Montana: $68,975 per person vs New Jersey: $89,045.
- New Jersey's GDP per capita is 1.3 times (29%) higher than Montana's.
Average income
- Montana: $69,240 vs New Jersey: $84,893 average income per person (per capita personal income).
- New Jersey's average income is 1.2 times (23%) higher than Montana's.
Montana vs New Jersey Counties
Number of counties
- Montana has 56 counties, while New Jersey has 21.
- Montana's county count is 2.7 times (167%) higher than New Jersey's.
Biggest county by area
- Montana's largest county is Beaverhead County at 5,543 square miles; New Jersey's is Burlington County at 799 square miles.
- Beaverhead County's land area is 6.9 times (593%) larger than Burlington County's.
Smallest county by area
- Montana: Silver Bow County (718 sq mi) vs New Jersey: Hudson County (46 sq mi).
- Silver Bow County's land area is 15.5 times larger than Hudson County's.
Most populous county
- Montana: Yellowstone County (171,583 people) vs New Jersey: Bergen County (978,641 people).
- Bergen County's population is 5.7 times (470%) larger than Yellowstone County's.
Least populous county
- Montana: Petroleum County (525 people) vs New Jersey: Salem County (65,874 people).
- Salem County's population is 125.5 times larger than Petroleum County's.
Richest county
- Montana: Gallatin County ($94,573 per capita income) vs New Jersey: Somerset County ($121,042).
- Somerset County's income is 1.3 times (28%) richer than Gallatin County's.
Poorest county
- Montana: Blaine County ($37,554 per capita income) vs New Jersey: Cumberland County ($50,843).
- Cumberland County's income is 1.4 times (35%) richer than Blaine County's.
Montana vs New Jersey Taxes
State income tax
- Montana has a top income tax rate of 5.65%, while New Jersey has a top income tax rate of 10.75%.
- New Jersey's top rate is 5.1 percentage points higher.
Property tax
- Montana: 0.69% effective rate vs New Jersey: 1.89% of home value per year.
- New Jersey's rate is 1.2 percentage points higher.
Sales tax
- Montana: 0% combined state and average local rate vs New Jersey: 6.6%.
- New Jersey's combined rate is 6.6 percentage points higher.
Official Websites
Montana official website · New Jersey official website
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More Size Comparisons
All Montana 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.