The map above shows Mississippi and Montana side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Mississippi vs Montana Geography
Land area: Mississippi has a land area of 46,925 square miles (121,534 km²), while Montana has 145,550 square miles (376,973 km²). Montana's land area is 3.1 times (210%) larger than Mississippi's.
Total area: Mississippi: 48,436 square miles (125,448 km²) vs Montana: 147,043 square miles (380,840 km²), including inland and coastal water. Montana's total area is 3.0 times (204%) larger than Mississippi's.
Length: Mississippi is 337 miles (542 km) long from north to south; Montana is 319 miles (514 km). Mississippi's north-south length is 1.1 times (6%) longer than Montana's.
Width: Mississippi spans 340 miles (547 km) east to west; Montana spans 607 miles (976 km). Montana's east-west width is 1.8 times (79%) wider than Mississippi's.
Highest point: Mississippi's highest point is Woodall Mountain at 805 feet (245 m); Montana's is Granite Peak at 12,767 feet (3,891 m). Granite Peak is 11,962 feet higher than Woodall Mountain.
Lowest point: Mississippi's lowest point is Gulf of Mexico at 0 feet; Montana's is Kootenai River at 1,805 feet. Mississippi's lowest point is 1,805 feet lower.
Mississippi vs Montana Population and History
Population: Mississippi has a population of 2,943,045 (2024), while Montana has 1,137,233 (2024). Mississippi's population is 2.6 times (159%) larger than Montana's.
Population density: Mississippi: 62.7 people per square mile vs Montana: 7.8. Mississippi's population density is 8.0 times (704%) higher than Montana's.
Biggest city: Mississippi's biggest city is Jackson with 141,449 people; Montana's is Billings with 121,483. Jackson's population is 1.2 times (16%) larger than Billings'.
Largest metro area: Mississippi's largest metropolitan area is Memphis, TN-MS-AR metro area (1,339,345 people) vs Montana's Billings, MT metro area (192,531). Memphis, TN-MS-AR metro area's population is 7.0 times (596%) larger than Billings, MT metro area's.
History: Mississippi: Admitted to the Union on December 10, 1817, as the 20th state. Montana: Admitted to the Union on November 8, 1889, as the 41st state. In its current form, Mississippi is the older of the two by 72 years.
Mississippi vs Montana Economy
GDP: Mississippi's GDP is $158.2 billion (2024) vs Montana's $78.4 billion. Mississippi's economic output is 2.0 times (102%) larger than Montana's.
GDP per capita: Mississippi: $53,751 per person vs Montana: $68,975. Montana's GDP per capita is 1.3 times (28%) higher than Mississippi's.
Average income: Mississippi: $52,074 vs Montana: $69,240 average income per person (per capita personal income). Montana's average income is 1.3 times (33%) higher than Mississippi's.
Mississippi vs Montana Counties
Number of counties: Mississippi has 82 counties, while Montana has 56. Mississippi's county count is 1.5 times (46%) higher than Montana's.
Biggest county by area: Mississippi's largest county is Yazoo County at 922 square miles; Montana's is Beaverhead County at 5,543 square miles. Beaverhead County's land area is 6.0 times (501%) larger than Yazoo County's.
Smallest county by area: Mississippi: Alcorn County (400 sq mi) vs Montana: Silver Bow County (718 sq mi). Silver Bow County's land area is 1.8 times (80%) larger than Alcorn County's.
Most populous county: Mississippi: Harrison County (213,730 people) vs Montana: Yellowstone County (171,583 people). Harrison County's population is 1.2 times (25%) larger than Yellowstone County's.
Least populous county: Mississippi: Issaquena County (1,295 people) vs Montana: Petroleum County (525 people). Issaquena County's population is 2.5 times (147%) larger than Petroleum County's.
Richest county: Mississippi: Madison County ($90,668 per capita income) vs Montana: Gallatin County ($94,573). Madison County and Gallatin County have about the same income.
Poorest county: Mississippi: Issaquena County ($27,264 per capita income) vs Montana: Blaine County ($37,554). Blaine County's income is 1.4 times (38%) richer than Issaquena County's.
Mississippi vs Montana Taxes
State income tax: Mississippi has a top income tax rate of 4%, while Montana has a top income tax rate of 5.65%. Montana's top rate is 1.65 percentage points higher.
Property tax: Mississippi: 0.65% effective rate vs Montana: 0.69% of home value per year. Montana's rate is 0.04 percentage points higher.
Sales tax: Mississippi: 7.06% combined state and average local rate vs Montana: 0%. Mississippi's combined rate is 7.06 percentage points higher.
Official Websites
Mississippi official website · Montana official website
More Size Comparisons
All Mississippi size comparisons · All Montana 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.