Ulsan Population 2026
Ulsan has a population of 1,098,421, making it the #8 biggest city in 🇰🇷 South Korea, located in Ulsan. Roughly 2.1% of South Korea's population lives here. It is about 9.4× smaller than Seoul, the country's biggest city.
Population (city proper)
1,098,421
Rank in South Korea
#8
Coordinates
35.54°N, 129.32°E
~10 m elevation · Asia/Seoul
Distance to capital (Seoul)
307 km
191 miles, straight line
Cities near Ulsan
FAQ
What is the population of Ulsan?
Ulsan has a population of 1,098,421 (city proper, latest official figure via GeoNames), making it the #8 biggest city in South Korea.
What region is Ulsan in?
Ulsan is located in Ulsan, South Korea.
Is Ulsan the capital of South Korea?
No, the capital of South Korea is Seoul, about 307 km away.
Sources & notes
Population refers to the city proper (municipal boundaries), not the metropolitan area. Source: GeoNames (CC BY 4.0), retrieved 2026-07-07. Country data: UN World Population Prospects 2024.
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