South Korea Facts
Capital of South KoreaThe capital of South Korea is Seoul.
| Capital | Seoul |
| Population (UN estimate, 2024, rounded) | 51.7 million |
| Total area | 100,210 km² |
| Population density (calculated) | 516 people per km² |
| Currency | South Korean won (KRW) |
| Region | Asia |
How we got the density
- Density is the one figure on this page that is calculated rather than looked up: population ÷ area.
- 51.7 million people = 51,700,000 people. Divided by 100,210 km²: 515.92 people per km², which rounds to 516.
Check it backwards
516 × 100,210 km² ≈ 51,698,339 people — back to the population, apart from the rounding of the density to a whole number.
Questions people also ask
What is the capital of South Korea?
The capital of South Korea is Seoul.
How many people live in South Korea?
About 51.7 million, by the UN World Population Prospects 2024 estimate (rounded). Population density works out to 516 people per km².
How big is South Korea?
South Korea covers 100,210 km² in total area.
What currency does South Korea use?
The South Korean won (KRW).