The map above shows Connecticut and South Carolina side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Connecticut vs South Carolina Geography
Land area: Connecticut has a land area of 4,843 square miles (12,542 km²), while South Carolina has 30,064 square miles (77,866 km²). South Carolina's land area is 6.2 times (521%) larger than Connecticut's.
Total area: Connecticut: 5,544 square miles (14,358 km²) vs South Carolina: 32,024 square miles (82,940 km²), including inland and coastal water. South Carolina's total area is 5.8 times (478%) larger than Connecticut's.
Length: Connecticut is 73 miles (118 km) long from north to south; South Carolina is 236 miles (380 km). South Carolina's north-south length is 3.2 times (223%) longer than Connecticut's.
Width: Connecticut spans 104 miles (167 km) east to west; South Carolina spans 279 miles (449 km). South Carolina's east-west width is 2.7 times (168%) wider than Connecticut's.
Highest point: Connecticut's highest point is Mount Frissell (south slope) at 2,376 feet (724 m); South Carolina's is Sassafras Mountain at 3,497 feet (1,066 m). Sassafras Mountain is 1,121 feet higher than Mount Frissell (south slope).
Lowest point: Connecticut's lowest point is Long Island Sound at 0 feet; South Carolina's is Atlantic Ocean at 0 feet. Both lowest points are at or near sea level.
Connecticut vs South Carolina Population and History
Population: Connecticut has a population of 3,675,069 (2024), while South Carolina has 5,478,831 (2024). South Carolina's population is 1.5 times (49%) larger than Connecticut's.
Population density: Connecticut: 758.9 people per square mile vs South Carolina: 182.2. Connecticut's population density is 4.2 times (317%) higher than South Carolina's.
Biggest city: Connecticut's biggest city is Bridgeport with 151,599 people; South Carolina's is Charleston with 157,665. Bridgeport and Charleston have about the same population.
Largest metro area: Connecticut's largest metropolitan area is Hartford-West Hartford-East Hartford, CT metro area (1,169,048 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 2.5 times (147%) larger than Hartford-West Hartford-East Hartford, CT metro area's.
History: Connecticut: Admitted to the Union on January 9, 1788, as the 5th state. South Carolina: Admitted to the Union on May 23, 1788, as the 8th state.
Connecticut vs South Carolina Economy
GDP: Connecticut's GDP is $356.8 billion (2024) vs South Carolina's $357.1 billion. Connecticut and South Carolina have about the same economic output.
GDP per capita: Connecticut: $97,096 per person vs South Carolina: $65,173. Connecticut's GDP per capita is 1.5 times (49%) higher than South Carolina's.
Average income: Connecticut: $95,067 vs South Carolina: $60,776 average income per person (per capita personal income). Connecticut's average income is 1.6 times (56%) higher than South Carolina's.
Connecticut vs South Carolina Counties
Number of counties: Connecticut has 9 counties, while South Carolina has 46. South Carolina's county count is 5.1 times (411%) higher than Connecticut's.
Biggest county by area: Connecticut's largest county is Capitol Planning Region at 1,027 square miles; South Carolina's is Horry County at 1,133 square miles. Horry County's land area is 1.1 times (10%) larger than Capitol Planning Region's.
Smallest county by area: Connecticut: Greater Bridgeport Planning Region (140 sq mi) vs South Carolina: McCormick County (359 sq mi). McCormick County's land area is 2.6 times (156%) larger than Greater Bridgeport Planning Region's.
Most populous county: Connecticut: Capitol Planning Region (991,508 people) vs South Carolina: Greenville County (570,745 people). Capitol Planning Region's population is 1.7 times (74%) larger than Greenville County's.
Least populous county: Connecticut: Northeastern Connecticut Planning Region (97,701 people) vs South Carolina: Allendale County (7,551 people). Northeastern Connecticut Planning Region's population is 12.9 times larger than Allendale County's.
Richest county: Connecticut: Western Connecticut Planning Region ($165,513 per capita income) vs South Carolina: Charleston County ($90,550). Western Connecticut Planning Region's income is 1.8 times (83%) richer than Charleston County's.
Poorest county: Connecticut: Southeastern Connecticut Planning Region ($64,845 per capita income) vs South Carolina: Marlboro County ($41,332). Southeastern Connecticut Planning Region's income is 1.6 times (57%) richer than Marlboro County's.
Connecticut vs South Carolina Taxes
State income tax: Connecticut has a top income tax rate of 6.99%, while South Carolina has a top income tax rate of 6%. Connecticut's top rate is 0.99 percentage points higher.
Property tax: Connecticut: 1.66% effective rate vs South Carolina: 0.45% of home value per year. Connecticut's rate is 1.21 percentage points higher.
Sales tax: Connecticut: 6.35% combined state and average local rate vs South Carolina: 7.49%. South Carolina's combined rate is 1.14 percentage points higher.
Official Websites
Connecticut official website · South Carolina official website
More Size Comparisons
All Connecticut 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.