Jangseong Population 2026
Jangseong has a population of 42,129, making it the #110 biggest city in 🇰🇷 South Korea, located in Jeollanam-do. Roughly 0.1% of South Korea's population lives here. It is about 246× smaller than Seoul, the country's biggest city.
Population (city proper)
42,129
Rank in South Korea
#110
Coordinates
35.30°N, 126.78°E
~70 m elevation · Asia/Seoul
Distance to capital (Seoul)
253 km
157 miles, straight line
Other big cities in Jeollanam-do
Cities near Jangseong
FAQ
What is the population of Jangseong?
Jangseong has a population of 42,129 (city proper, latest official figure via GeoNames), making it the #110 biggest city in South Korea.
What region is Jangseong in?
Jangseong is located in Jeollanam-do, South Korea.
Is Jangseong the capital of South Korea?
No, the capital of South Korea is Seoul, about 253 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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