Population of Namdong-gu, Incheon
Resident registration data, June 2026 (MOIS)
Total population479,149people
Average age45.9yrs
Population structure
Population by age
10-year bands · by sexPopulation by age and sex
Unit: people
Male 237,498Female 241,651
Age structure
Unit: %
Youth 9.3%Working age 69.2%Seniors 21.5%
50s is the largest group, at 84,023 people.
Population change
Change over time
4-year trendUnit: people
512,645 in 2022479,149 in 2026
Down 6.5% over the past 4 years.
Population ranking
Guwol-dong has the largest population of the 11 neighborhoods.
Population by region
11- YoungestSeochang-dong42.5 yrs
- OldestUnyeon-dong58.7 yrs
There is a 16.2-year gap in average age between the youngest and the oldest area.
| Region | Population | Share | Average age |
|---|---|---|---|
| Guwol-dong | 107,132 | 22.4% | 44.3 yrs |
| Mansu-dong | 106,113 | 22.1% | 48.9 yrs |
| Nonhyeon-dong | 99,990 | 20.9% | 43.7 yrs |
| Ganseok-dong | 91,181 | 19% | 47.3 yrs |
| Seochang-dong | 50,389 | 10.5% | 42.5 yrs |
| Namchon-dong | 9,928 | 2.1% | 49.5 yrs |
| Dorim-dong | 8,170 | 1.7% | 48.9 yrs |
| Jangsu-dong | 4,758 | 1% | 52.7 yrs |
| Gojan-dong | 714 | 0.1% | 57.1 yrs |
| Susan-dong | 496 | 0.1% | 57.7 yrs |
| Unyeon-dong | 278 | 0.1% | 58.7 yrs |
The top three areas hold 65.4% of the population of Namdong-gu, Incheon.
Other regions
Other districts in Incheon
9Frequently asked questions❓
Namdong-gu, Incheon has 479,149 residents as of June 2026., 3,398 fewer than a year earlier.
Guwol-dong, home to 107,132 residents — 22.4% of Namdong-gu, Incheon.
It is 45.9 as of June 2026., close to the national average of 45.6. Among its neighborhoods, Seochang-dong is youngest at 42.5 and Unyeon-dong oldest at 58.7.
It fell 6.5% over 4 years, from 512,645 in 2022 to 479,149 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