What is the population of Ulsan?
Ulsan has a city population of 1,098,421. That is the population within the city's own boundary, not its wider metropolitan area. City population, GeoNames.
City profile · South Korea · Asia
Ulsan
Ulsan · South Korea
City population
1,098,421
#8
in South Korea
#492
worldwide
35.537, 129.317 · 307 km from Seoul
About Ulsan
South Korea's eighth-largest city, with a population of 1,098,421, Ulsan accounts for 2.1% of the national population. It lies 307 km from Seoul. Four cities within 35 km range from 176,388 to 358,074 residents, with Yangsan the largest of these neighbours.
This summary is AI-generated from the figures on this page. The figures themselves come from the sources cited beside each value.
Key Facts
Country
Region
Ulsan
Elevation
10 m
Approximate — modelled, not surveyed
Time zone
Asia/Seoul
Coordinates
35.537, 129.317
Record updated
2026-04-14
Entry edited, not measured
City population, GeoNames. GeoNames publishes no year for its population figures, so “record updated” is when the entry was last edited — not the date the population was measured. Elevation is modelled from a digital elevation model rather than surveyed, so it is approximate.
Nearby Cities
All 144 in South KoreaClosest listed cities by great-circle distance from the city centre.
Compared with the World's Largest Cities
City-proper population against the fifteen largest cities in the dataset.
| Name | City population |
|---|---|
| Shanghai | 24.9M |
| Beijing | 19M |
| Shenzhen | 17.5M |
| Guangzhou | 16.1M |
| Kinshasa | 16M |
| Istanbul | 15.7M |
| Lagos | 15.4M |
| Ho Chi Minh City | 14M |
| Chengdu | 13.6M |
| Lahore | 13M |
| Mumbai | 12.7M |
| São Paulo | 12.4M |
| Mexico City | 12.3M |
| Karachi | 11.6M |
| Tianjin | 11.1M |
| Ulsan | 1.1M |
Ulsan Population FAQ
Where is Ulsan?
Ulsan is in Ulsan, South Korea, 307 km from the capital, Seoul. Its coordinates are 35.537, 129.317.
How big is Ulsan compared with other cities in South Korea?
It is the 8th largest of the 144 cities of 15,000 or more listed in South Korea, holding 2.1% of the national population.