About Seosan
Seosan is a city located in South Korea, in the South Chungcheong region. According to the latest available data (2026), the population of Seosan is approximately 169,221 residents, making it the #110 most populous city in South Korea.
Globally, Seosan ranks #10,113 among the world's most populated cities.
Seosan City Statistics
| City | Seosan |
| Country |  South Korea |
| Population | 169,221 |
| Global Rank | #10,113 |
| Rank in South Korea | #110 of 136 cities |
| City Category | city |
| Region | South Chungcheong |
| Latitude | 36.7817 |
| Longitude | 126.4522 |
| Data Year | 2026 |
Where is Seosan Located?
Seosan is located in South Korea, in the South Chungcheong region, at coordinates 36.7817° latitude and 126.4522° longitude. Seosan sits in the subtropics, typically enjoying warm temperatures year-round.
Nearby Cities
Other Cities in South Korea
Largest Cities in South Korea
| # | City | Population |
|---|---|---|
| 1 | Busan | 3,453,198 |
| 3 | Suwon | 1,234,300 |
| 4 | Ulsan | 1,127,553 |
| 5 | Yongin | 1,084,817 |
| 6 | Goyang | 1,061,929 |
Frequently Asked Questions
What is the population of Seosan?
The population of Seosan is approximately 169,221 residents according to the latest available data (2026).
Where is Seosan located?
Seosan is located in South Korea at approximately 36.7817° latitude and 126.4522° longitude.
Is Seosan one of the largest cities in South Korea?
With a population of 169,221, Seosan is one of the notable urban areas in South Korea. It ranks #110 out of 136 cities in the country.
