The map above shows Montana and South Carolina side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Montana vs South Carolina Geography
Land area
- Montana has a land area of 145,550 square miles (376,973 km²), while South Carolina has 30,064 square miles (77,866 km²).
- Montana's land area is 4.8 times (384%) larger than South Carolina's.
Total area
- Montana: 147,043 square miles (380,840 km²) vs South Carolina: 32,024 square miles (82,940 km²), including inland and coastal water.
- Montana's total area is 4.6 times (359%) larger than South Carolina's.
Length
- Montana is 319 miles (514 km) long from north to south; South Carolina is 236 miles (380 km).
- Montana's north-south length is 1.4 times (35%) longer than South Carolina's.
Width
- Montana spans 607 miles (976 km) east to west; South Carolina spans 279 miles (449 km).
- Montana's east-west width is 2.2 times (118%) wider than South Carolina's.
Highest point
- Montana's highest point is Granite Peak at 12,767 feet (3,891 m); South Carolina's is Sassafras Mountain at 3,497 feet (1,066 m).
- Granite Peak is 9,270 feet higher than Sassafras Mountain.
Lowest point
- Montana's lowest point is Kootenai River at 1,805 feet; South Carolina's is Atlantic Ocean at 0 feet.
- South Carolina's lowest point is 1,805 feet lower.
Montana vs South Carolina Population and History
Population
- Montana has a population of 1,137,233 (2024), while South Carolina has 5,478,831 (2024).
- South Carolina's population is 4.8 times (382%) larger than Montana's.
Population density
- Montana: 7.8 people per square mile vs South Carolina: 182.2.
- South Carolina's population density is 23.4 times higher than Montana's.
Biggest city
- Montana's biggest city is Billings with 121,483 people; South Carolina's is Charleston with 157,665.
- Charleston's population is 1.3 times (30%) larger than Billings'.
Largest metro area
- Montana's largest metropolitan area is Billings, MT metro area (192,531 people) vs South Carolina's Charlotte-Concord-Gastonia, NC-SC metro area (2,883,370).
- Charlotte-Concord-Gastonia, NC-SC metro area's population is 15.0 times larger than Billings, MT metro area's.
History
- Montana: Admitted to the Union on November 8, 1889, as the 41st state.
- South Carolina: Admitted to the Union on May 23, 1788, as the 8th state.
- In its current form, South Carolina is the older of the two by 101 years.
Montana vs South Carolina Economy
GDP
- Montana's GDP is $78.4 billion (2024) vs South Carolina's $357.1 billion.
- South Carolina's economic output is 4.6 times (355%) larger than Montana's.
GDP per capita
- Montana: $68,975 per person vs South Carolina: $65,173.
- Montana's GDP per capita is 1.1 times (6%) higher than South Carolina's.
Average income
- Montana: $69,240 vs South Carolina: $60,776 average income per person (per capita personal income).
- Montana's average income is 1.1 times (14%) higher than South Carolina's.
Montana vs South Carolina Counties
Number of counties
- Montana has 56 counties, while South Carolina has 46.
- Montana's county count is 1.2 times (22%) higher than South Carolina's.
Biggest county by area
- Montana's largest county is Beaverhead County at 5,543 square miles; South Carolina's is Horry County at 1,133 square miles.
- Beaverhead County's land area is 4.9 times (389%) larger than Horry County's.
Smallest county by area
- Montana: Silver Bow County (718 sq mi) vs South Carolina: McCormick County (359 sq mi).
- Silver Bow County's land area is 2.0 times (100%) larger than McCormick County's.
Most populous county
- Montana: Yellowstone County (171,583 people) vs South Carolina: Greenville County (570,745 people).
- Greenville County's population is 3.3 times (233%) larger than Yellowstone County's.
Least populous county
- Montana: Petroleum County (525 people) vs South Carolina: Allendale County (7,551 people).
- Allendale County's population is 14.4 times larger than Petroleum County's.
Richest county
- Montana: Gallatin County ($94,573 per capita income) vs South Carolina: Charleston County ($90,550).
- Gallatin County and Charleston County have about the same income.
Poorest county
- Montana: Blaine County ($37,554 per capita income) vs South Carolina: Marlboro County ($41,332).
- Marlboro County's income is 1.1 times (10%) richer than Blaine County's.
Montana vs South Carolina Taxes
State income tax
- Montana has a top income tax rate of 5.65%, while South Carolina has a top income tax rate of 6%.
- South Carolina's top rate is 0.35 percentage points higher.
Property tax
- Montana: 0.69% effective rate vs South Carolina: 0.45% of home value per year.
- Montana's rate is 0.24 percentage points higher.
Sales tax
- Montana: 0% combined state and average local rate vs South Carolina: 7.49%.
- South Carolina's combined rate is 7.49 percentage points higher.
Official Websites
Montana official website · South Carolina official website
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More Size Comparisons
All Montana size comparisons · All South Carolina 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.