Quick answerIncheon is a city in South Korea, with 3,015,482 people inside the city limits in 2026. It is best known for the Incheon International Airport, the Chinatown and the Songdo. Its official languages are Korean and Korean Sign Language, and its currency is the South Korean won.
Incheon is the third-largest city in South Korea, with 3,015,482 people (January 2026). It stands on the Yellow Sea coast just west of Seoul and is home to South Korea's main international airport.
Key facts
| Country | South Korea |
|---|---|
| Population (city) | 3,015,482 (2026) |
| Time zone | Asia/Seoul |
| Language | Korean, Korean Sign Language |
| Currency | South Korean won (KRW, ₩) |
| Coordinates | 37.4833° N, 126.6333° E |
Overview
Incheon is the third-largest city in South Korea, with 3,015,482 people in January 2026. It stands on the west coast, on the Yellow Sea, just west of Seoul, and forms part of the Seoul Capital Area. Incheon is a metropolitan city in its own right and the site of South Korea's main international airport. The city covers 1,062.63 square kilometres, including many islands in the Yellow Sea.
Incheon is known for the landing of United Nations forces under General MacArthur in 1950, during the Korean War, which turned the course of the war. Its best-known sights are its Chinatown — the oldest in Korea — the Songdo business district, built on reclaimed land, the Wolmido waterfront and the Incheon Grand Park. The city grew from the port of Jemulpo, opened to foreign trade in 1883, into a port and industrial city.
What Incheon is known for
- Incheon International Airport
- Chinatown
- Songdo
- Wolmido
- 1950 landing
- Port of Incheon
Landmarks
- Incheon Chinatown
- Songdo Central Park
- Wolmido
- Incheon Grand Park
- Jayu Park
- Incheon International Airport
Frequently asked questions
What is the population of Incheon?
Incheon had 3,015,482 people in January 2026, making it South Korea's third-largest city, after Seoul and Busan. Incheon is part of the Seoul Capital Area, which holds about 26 million people in total, so the city blends into the wider Seoul metropolis.
Where is Incheon and what is it known for?
Incheon is on the west coast of South Korea, on the Yellow Sea, just west of Seoul. It is known for Incheon International Airport, its Chinatown, the Songdo district, the Wolmido waterfront, and the 1950 landing during the Korean War.
Quick quiz
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Keep exploring
- South Korea — the country Incheon is in
- Seoul — another city in South Korea
- Busan — another city in South Korea
- Daegu — another city in South Korea
- All cities in South Korea
- All countries — the full list
Sources & last updated
Last updated: . Figures are shown with their year; where sources disagree, the value is left out rather than estimated.