The map above shows Indiana and South Carolina side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Indiana vs South Carolina Geography
Land area: Indiana has a land area of 35,825 square miles (92,787 km²), while South Carolina has 30,064 square miles (77,866 km²). Indiana's land area is 1.2 times (19%) larger than South Carolina's.
Total area: Indiana: 36,421 square miles (94,331 km²) vs South Carolina: 32,024 square miles (82,940 km²), including inland and coastal water. Indiana's total area is 1.1 times (14%) larger than South Carolina's.
Length: Indiana is 276 miles (444 km) long from north to south; South Carolina is 236 miles (380 km). Indiana's north-south length is 1.2 times (17%) longer than South Carolina's.
Width: Indiana spans 193 miles (310 km) east to west; South Carolina spans 279 miles (449 km). South Carolina's east-west width is 1.4 times (45%) wider than Indiana's.
Highest point: Indiana's highest point is Hoosier Hill at 1,255 feet (383 m); South Carolina's is Sassafras Mountain at 3,497 feet (1,066 m). Sassafras Mountain is 2,242 feet higher than Hoosier Hill.
Lowest point: Indiana's lowest point is Ohio River at 330 feet; South Carolina's is Atlantic Ocean at 0 feet. South Carolina's lowest point is 330 feet lower.
Indiana vs South Carolina Population and History
Population: Indiana has a population of 6,924,275 (2024), while South Carolina has 5,478,831 (2024). Indiana's population is 1.3 times (26%) larger than South Carolina's.
Population density: Indiana: 193.3 people per square mile vs South Carolina: 182.2. Indiana's population density is 1.1 times (6%) higher than South Carolina's.
Biggest city: Indiana's biggest city is Indianapolis with 891,484 people; South Carolina's is Charleston with 157,665. Indianapolis' population is 5.7 times (465%) larger than Charleston's.
Largest metro area: Indiana's largest metropolitan area is Chicago-Naperville-Elgin, IL-IN metro area (9,408,576 people) vs South Carolina's Charlotte-Concord-Gastonia, NC-SC metro area (2,883,370). Chicago-Naperville-Elgin, IL-IN metro area's population is 3.3 times (226%) larger than Charlotte-Concord-Gastonia, NC-SC metro area's.
History: Indiana: Admitted to the Union on December 11, 1816, as the 19th 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 28 years.
Indiana vs South Carolina Economy
GDP: Indiana's GDP is $519.5 billion (2024) vs South Carolina's $357.1 billion. Indiana's economic output is 1.5 times (45%) larger than South Carolina's.
GDP per capita: Indiana: $75,028 per person vs South Carolina: $65,173. Indiana's GDP per capita is 1.2 times (15%) higher than South Carolina's.
Average income: Indiana: $64,077 vs South Carolina: $60,776 average income per person (per capita personal income). Indiana's average income is 1.1 times (5%) higher than South Carolina's.
Indiana vs South Carolina Counties
Number of counties: Indiana has 92 counties, while South Carolina has 46. Indiana's county count is 2.0 times (100%) higher than South Carolina's.
Biggest county by area: Indiana's largest county is Allen County at 657 square miles; South Carolina's is Horry County at 1,133 square miles. Horry County's land area is 1.7 times (72%) larger than Allen County's.
Smallest county by area: Indiana: Ohio County (86 sq mi) vs South Carolina: McCormick County (359 sq mi). McCormick County's land area is 4.2 times (316%) larger than Ohio County's.
Most populous county: Indiana: Marion County (981,628 people) vs South Carolina: Greenville County (570,745 people). Marion County's population is 1.7 times (72%) larger than Greenville County's.
Least populous county: Indiana: Ohio County (5,996 people) vs South Carolina: Allendale County (7,551 people). Allendale County's population is 1.3 times (26%) larger than Ohio County's.
Richest county: Indiana: Hamilton County ($104,283 per capita income) vs South Carolina: Charleston County ($90,550). Hamilton County's income is 1.2 times (15%) richer than Charleston County's.
Poorest county: Indiana: Miami County ($44,940 per capita income) vs South Carolina: Marlboro County ($41,332). Miami County's income is 1.1 times (9%) richer than Marlboro County's.
Indiana vs South Carolina Taxes
State income tax: Indiana has a top income tax rate of 2.95%, while South Carolina has a top income tax rate of 6%. South Carolina's top rate is 3.05 percentage points higher.
Property tax: Indiana: 0.74% effective rate vs South Carolina: 0.45% of home value per year. Indiana's rate is 0.29 percentage points higher.
Sales tax: Indiana: 7% combined state and average local rate vs South Carolina: 7.49%. South Carolina's combined rate is 0.49 percentage points higher.
Official Websites
Indiana official website · South Carolina official website
More Size Comparisons
All Indiana 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.