Jeju City Population 2026
Jeju City has a population of 488,844, making it the #21 biggest city in 🇰🇷 South Korea, located in Jeju-do. Roughly 0.9% of South Korea's population lives here. It is about 21× smaller than Seoul, the country's biggest city.
Population (city proper)
488,844
Rank in South Korea
#21
Coordinates
33.51°N, 126.52°E
~19 m elevation · Asia/Seoul
Distance to capital (Seoul)
453 km
281 miles, straight line
Other big cities in Jeju-do
Cities near Jeju City
FAQ
What is the population of Jeju City?
Jeju City has a population of 488,844 (city proper, latest official figure via GeoNames), making it the #21 biggest city in South Korea.
What region is Jeju City in?
Jeju City is located in Jeju-do, South Korea.
Is Jeju City the capital of South Korea?
No, the capital of South Korea is Seoul, about 453 km away.
Sources & notes
Population refers to the city proper (municipal boundaries), not the metropolitan area. Source: GeoNames (CC BY 4.0), retrieved 2026-07-07. Country data: UN World Population Prospects 2024.
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