Masan Population 2026
Masan has a population of 434,371, making it the #23 biggest city in 🇰🇷 South Korea, located in Gwangju. Roughly 0.8% of South Korea's population lives here. It is about 24× smaller than Seoul, the country's biggest city.
Population (city proper)
434,371
Rank in South Korea
#23
Coordinates
35.13°N, 126.83°E
~18 m elevation · Asia/Seoul
Distance to capital (Seoul)
271 km
168 miles, straight line
Other big cities in Gwangju
| City | Population | Rank in South Korea |
|---|---|---|
| Gwangju | 1,401,235 | #6 |
Cities near Masan
FAQ
What is the population of Masan?
Masan has a population of 434,371 (city proper, latest official figure via GeoNames), making it the #23 biggest city in South Korea.
What region is Masan in?
Masan is located in Gwangju, South Korea.
Is Masan the capital of South Korea?
No, the capital of South Korea is Seoul, about 271 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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