Key facts
Area, population and GDP figures describe the named country or territory, not the city or resort. Airport names are relevant gateways; heliport figures identify the stated inventory area.
- Capital
- United States: Washington D.C. South Carolina state capital: Columbia
- Time zone
- America/New_York — UTC−05:00 standard time; UTC−04:00 during daylight saving
- Telephone code
- United States: +1
- Total area
- United States: 9,833,517 sq km
- Population
- United States: 341,784,857 (2025, World Bank)
- Currency
- United States: United States dollar (USD)
- GDP per capita
- United States: US$90,027 (nominal, 2025, World Bank)
- Airports
- Charleston International Airport
- Heliports
- South Carolina: 61 heliport records in the OurAirports inventory (2026-10-07)
OurAirports is a community-maintained inventory. A zero means no heliport record in this snapshot, not proof that no landing site exists. Listings may include private sites and do not establish passenger access or current operating availability.
Fact sources
- Country codes, capitals, calling codes and currencies — Countries dataset (ODbL)
- United States — archived CIA World Factbook (final pre-closure snapshot)
- United States population — World Bank
- United States GDP per capita, current US dollars — World Bank
- OurAirports open airport/heliport inventory
- United States cultural etiquette and food — Wikivoyage


