Population of Incheon

Resident registration data, June 2026 (MOIS)

Total population3,061,002people
Average age44.6yrs

Population structure

Population by age

10-year bands · by sex

Population by age and sex

Unit: people

Under 1010s20s30s40s👑 50s60s70s80s90s100+95,783141,269170,460226,592244,000257,266236,000113,80538,6174,4488390,760134,761160,532206,963228,981257,045243,431130,44064,58214,721454

Male 1,528,323Female 1,532,679

Age structure

Unit: %

Youth 10.6%Working age 69.6%Seniors 19.8%10.6%69.6%19.8%

Youth 10.6%Working age 69.6%Seniors 19.8%

50s is the largest group, at 514,311 people.

Population change

Change over time

4-year trend

Unit: people

2,957,066 in 20222,978,749 in 20233,011,073 in 20243,039,450 in 20253,061,002 in 202620222023202420252026

2,957,066 in 20223,061,002 in 2026

Up 3.5% over the past 4 years.

Explore regions

Region map

Population ranking

Seo-gu has the largest population of the 10 districts.

Population by region

10

There is a 14.2-year gap in average age between the youngest and the oldest area.

RegionPopulationShareAverage age
Seo-gu662,87521.7%41.7 yrs
Bupyeong-gu488,19115.9%45.8 yrs
Namdong-gu479,14915.7%45.9 yrs
Michuhol-gu418,21113.7%45.9 yrs
Yeonsu-gu410,29013.4%41.5 yrs
Gyeyang-gu276,3099%46.9 yrs
Jung-gu179,0305.8%42.5 yrs
Ganghwa-gun69,6812.3%55.7 yrs
Dong-gu57,9261.9%49.6 yrs
Ongjin-gun19,3400.6%54.1 yrs

The top three areas hold 53.3% of the population of Incheon.

Other regions

Other regions

16

Frequently asked questions❓

Incheon has 3,061,002 residents as of June 2026., 21,552 more than a year earlier.
Seo-gu, home to 662,875 residents — 21.7% of Incheon.
It is 44.6 as of June 2026., 1 years below the national average of 45.6. Among its districts, Yeonsu-gu is youngest at 41.5 and Ganghwa-gun oldest at 55.7.
It rose 3.5% over 4 years, from 2,957,066 in 2022 to 3,061,002 in June 2026.
This is resident registration data from Korea's Ministry of the Interior and Safety. Figures are as of the end of June 2026 and are updated monthly. The data is open under KOGL Type 1.
Resident registration counts people at their registered address. The census counts them where they actually live. The gap is widest in university towns and industrial areas, where many people never change their registered address.

Sources 🌐