The population development of Onsan as well as related information and services (weather, Wikipedia, Google, images).
Source: National Statistical Office of the Republic of Korea (web), Ministry of the Interior: Resident registration demographics (web), Korea Immigration Service (web).
Explanation: The tabulated population figures consist of Koreans registered as resident and of resident foreigners. The number of foreigners is partly derived from figures for larger administrative units.
Further information about the population structure:
|Gender (E 2018)|
|Age Groups (Koreans) (E 2018)|
|Age Distribution (Koreans) (E 2018)|
|Nationality (E 2018)|