About Siheung
Siheung is a mid-sized city located in South Korea, in the Gyeonggi region. According to the latest available data (2026), the population of Siheung is approximately 514,274 residents, making it the #25 most populous city in South Korea.
Globally, Siheung ranks #3,645 among the world's most populated cities.
Siheung City Statistics
| City | Siheung |
| Country |  South Korea |
| Population | 514,274 |
| Global Rank | #3,645 |
| Rank in South Korea | #25 of 136 cities |
| City Category | mid-sized city |
| Region | Gyeonggi |
| Latitude | 37.3907 |
| Longitude | 126.7888 |
| Data Year | 2026 |
Population Comparison
To put Siheung's population of 514,274 into perspective:
- Siheung has over 514,000 residents.
Where is Siheung Located?
Siheung is located in South Korea, in the Gyeonggi region, at coordinates 37.3907° latitude and 126.7888° longitude. Siheung 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 Siheung?
The population of Siheung is approximately 514,274 residents according to the latest available data (2026).
Where is Siheung located?
Siheung is located in South Korea at approximately 37.3907° latitude and 126.7888° longitude.
Is Siheung one of the largest cities in South Korea?
With a population of 514,274, Siheung is one of the notable urban areas in South Korea. It ranks #25 out of 136 cities in the country.
