The map above shows Missouri and New Jersey side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Missouri vs New Jersey Geography
Land area: Missouri has a land area of 68,746 square miles (178,052 km²), while New Jersey has 7,355 square miles (19,049 km²). Missouri's land area is 9.3 times (835%) larger than New Jersey's.
Total area: Missouri: 69,707 square miles (180,540 km²) vs New Jersey: 8,719 square miles (22,583 km²), including inland and coastal water. Missouri's total area is 8.0 times (699%) larger than New Jersey's.
Length: Missouri is 328 miles (529 km) long from north to south; New Jersey is 169 miles (271 km). Missouri's north-south length is 1.9 times (94%) longer than New Jersey's.
Width: Missouri spans 437 miles (703 km) east to west; New Jersey spans 129 miles (207 km). Missouri's east-west width is 3.4 times (239%) wider than New Jersey's.
Highest point: Missouri's highest point is Taum Sauk Mountain at 1,771 feet (540 m); New Jersey's is High Point at 1,798 feet (548 m). High Point is 27 feet higher than Taum Sauk Mountain.
Lowest point: Missouri's lowest point is St. Francis River at 230 feet; New Jersey's is Atlantic Ocean at 0 feet. New Jersey's lowest point is 230 feet lower.
Missouri vs New Jersey Population and History
Population: Missouri has a population of 6,245,466 (2024), while New Jersey has 9,500,851 (2024). New Jersey's population is 1.5 times (52%) larger than Missouri's.
Population density: Missouri: 90.8 people per square mile vs New Jersey: 1,291.8. New Jersey's population density is 14.2 times higher than Missouri's.
Biggest city: Missouri's biggest city is Kansas City with 516,032 people; New Jersey's is Newark with 317,303. Kansas City's population is 1.6 times (63%) larger than Newark's.
Largest metro area: Missouri's largest metropolitan area is St. Louis, MO-IL metro area (2,811,927 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 7.1 times (609%) larger than St. Louis, MO-IL metro area's.
History: Missouri: Admitted to the Union on August 10, 1821, as the 24th 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 34 years.
Missouri vs New Jersey Economy
GDP: Missouri's GDP is $448.7 billion (2024) vs New Jersey's $846.0 billion. New Jersey's economic output is 1.9 times (89%) larger than Missouri's.
GDP per capita: Missouri: $71,846 per person vs New Jersey: $89,045. New Jersey's GDP per capita is 1.2 times (24%) higher than Missouri's.
Average income: Missouri: $64,920 vs New Jersey: $84,893 average income per person (per capita personal income). New Jersey's average income is 1.3 times (31%) higher than Missouri's.
Missouri vs New Jersey Counties
Number of counties: Missouri has 115 counties, while New Jersey has 21. Missouri's county count is 5.5 times (448%) higher than New Jersey's.
Biggest county by area: Missouri's largest county is Texas County at 1,177 square miles; New Jersey's is Burlington County at 799 square miles. Texas County's land area is 1.5 times (47%) larger than Burlington County's.
Smallest county by area: Missouri: St. Louis city (62 sq mi) vs New Jersey: Hudson County (46 sq mi). St. Louis city's land area is 1.3 times (34%) larger than Hudson County's.
Most populous county: Missouri: St. Louis County (992,929 people) vs New Jersey: Bergen County (978,641 people). St. Louis County and Bergen County have about the same population.
Least populous county: Missouri: Worth County (1,872 people) vs New Jersey: Salem County (65,874 people). Salem County's population is 35.2 times larger than Worth County's.
Richest county: Missouri: St. Louis County ($104,775 per capita income) vs New Jersey: Somerset County ($121,042). Somerset County's income is 1.2 times (16%) richer than St. Louis County's.
Poorest county: Missouri: Douglas County ($40,515 per capita income) vs New Jersey: Cumberland County ($50,843). Cumberland County's income is 1.3 times (25%) richer than Douglas County's.
Missouri vs New Jersey Taxes
State income tax: Missouri has a top income tax rate of 4.7%, while New Jersey has a top income tax rate of 10.75%. New Jersey's top rate is 6.05 percentage points higher.
Property tax: Missouri: 0.79% effective rate vs New Jersey: 1.89% of home value per year. New Jersey's rate is 1.1 percentage points higher.
Sales tax: Missouri: 8.44% combined state and average local rate vs New Jersey: 6.6%. Missouri's combined rate is 1.84 percentage points higher.
Official Websites
Missouri official website · New Jersey official website
More Size Comparisons
All Missouri 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.