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 sexPopulation by age and sex
Unit: people
Male 1,528,323Female 1,532,679
Age structure
Unit: %
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 trendUnit: people
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
10There is a 14.2-year gap in average age between the youngest and the oldest area.
| Region | Population | Share | Average age |
|---|---|---|---|
| Seo-gu | 662,875 | 21.7% | 41.7 yrs |
| Bupyeong-gu | 488,191 | 15.9% | 45.8 yrs |
| Namdong-gu | 479,149 | 15.7% | 45.9 yrs |
| Michuhol-gu | 418,211 | 13.7% | 45.9 yrs |
| Yeonsu-gu | 410,290 | 13.4% | 41.5 yrs |
| Gyeyang-gu | 276,309 | 9% | 46.9 yrs |
| Jung-gu | 179,030 | 5.8% | 42.5 yrs |
| Ganghwa-gun | 69,681 | 2.3% | 55.7 yrs |
| Dong-gu | 57,926 | 1.9% | 49.6 yrs |
| Ongjin-gun | 19,340 | 0.6% | 54.1 yrs |
The top three areas hold 53.3% of the population of Incheon.
Other regions
Other regions
16Frequently 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 🌐
- Resident registration data, Ministry of the Interior and SafetyKOGL Type 1 · as of June 2026 · updated monthly