About Seongnam-si
Seongnam-si is located in South Korea, part of Asia. Find essential geography and continue exploring more places in the same country.
Population914,832
Figure applies toSeongnam-si (city)
Data as ofLatest recorded figure
Last checkedSeptember 3, 2026
CountrySouth Korea
ContinentAsia
Place typeCity
Country codeKR
Source: GeoNames geographical database. Population figures can use different geographic boundaries and should be read together with “Figure applies to”.