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World Measure
The population almanac240 countries · 31,365 cities · UN WPP 2024
City profile · South Korea · Asia

Incheon

Incheon · South Korea
City population
3,015,482
#3
in South Korea
#1
in Incheon
#118
worldwide
SeoulIncheon
37.456, 126.705 · 27 km from Seoul
City population
3,015,482
Within the city boundary, not a metro area
Rank in South Korea
#3
of 144 cities of 15,000+
World rank
#118
of 31,365 cities listed
Share of South Korea
5.8%
of the national population

About Incheon

Ranked 118th globally, Incheon holds 3,015,482 people and accounts for 5.8% of South Korea's national population. The city lies 27 km from Seoul and sits among a cluster of substantial urban centers: Bucheon-si (850,731) stands 8 km away, Ansan-si (623,256) at 18 km, and Anyang-si (595,644) at 21 km.

This summary is AI-generated from the figures on this page. The figures themselves come from the sources cited beside each value.

Position in South Korea
#3of 144
LargestSmallest
Position in Incheon
#1of 2
LargestSmallest

Key Facts

Country
South Korea
Region
Incheon
Rank in region
#1of 2
Distance to capital
27 km
to Seoul
Elevation
43 m
Approximate — modelled, not surveyed
Time zone
Asia/Seoul
Coordinates
37.456, 126.705
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 Korea

Closest listed cities by great-circle distance from the city centre.

8KMBucheon-si851K people14KMGwangmyeong358K people18KMAnsan-si623K people19KMGimpo-si203K people21KMAnyang-si596K people

Compared with the World's Largest Cities

City-proper population against the fifteen largest cities in the dataset.

  1. Shanghai24.9M
  2. Beijing19M
  3. Shenzhen17.5M
  4. Guangzhou16.1M
  5. Kinshasa16M
  6. Istanbul15.7M
  7. Lagos15.4M
  8. Ho Chi Minh City14M
  9. Chengdu13.6M
  10. Lahore13M
  11. Mumbai12.7M
  12. São Paulo12.4M
  13. Mexico City12.3M
  14. Karachi11.6M
  15. Tianjin11.1M
  16. Incheon3.02M
City-proper figures only. Administrative boundaries differ between countries, so these are not directly comparable to metropolitan-area estimates.
Incheon compared with the fifteen largest cities
NameCity population
Shanghai24.9M
Beijing19M
Shenzhen17.5M
Guangzhou16.1M
Kinshasa16M
Istanbul15.7M
Lagos15.4M
Ho Chi Minh City14M
Chengdu13.6M
Lahore13M
Mumbai12.7M
São Paulo12.4M
Mexico City12.3M
Karachi11.6M
Tianjin11.1M
Incheon3.02M

Incheon Population FAQ

What is the population of Incheon?

Incheon has a city population of 3,015,482. That is the population within the city's own boundary, not its wider metropolitan area. City population, GeoNames.

Where is Incheon?

Incheon is in Incheon, South Korea, 27 km from the capital, Seoul. Its coordinates are 37.456, 126.705.

How big is Incheon compared with other cities in South Korea?

It is the 3rd largest of the 144 cities of 15,000 or more listed in South Korea, holding 5.8% of the national population.

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