Population of Yangcheon-gu, Seoul
Resident registration data, June 2026 (MOIS)
Total population421,247people
Average age44.8yrs
Population structure
Population by age
10-year bands · by sexPopulation by age and sex
Unit: people
Male 204,885Female 216,362
Age structure
Unit: %
Youth 10.7%Working age 68.8%Seniors 20.5%
50s is the largest group, at 71,015 people.
Population change
Change over time
4-year trendUnit: people
444,548 in 2022421,247 in 2026
Down 5.2% over the past 4 years.
Population ranking
Sinjeong-dong has the largest population of the 3 neighborhoods.
Population by region
3| Region | Population | Share | Average age |
|---|---|---|---|
| Sinjeong-dong | 165,563 | 39.3% | 44.5 yrs |
| Mok-dong | 141,838 | 33.7% | 42.8 yrs |
| Sinwol-dong | 113,846 | 27% | 47.7 yrs |
The top three areas hold 100.0% of the population of Yangcheon-gu, Seoul.
Other regions
Other districts in Seoul
16Frequently asked questions❓
Yangcheon-gu, Seoul has 421,247 residents as of June 2026., 6,798 fewer than a year earlier.
Sinjeong-dong, home to 165,563 residents — 39.3% of Yangcheon-gu, Seoul.
It is 44.8 as of June 2026., 0.8 years below the national average of 45.6. Among its neighborhoods, Mok-dong is youngest at 42.8 and Sinwol-dong oldest at 47.7.
It fell 5.2% over 4 years, from 444,548 in 2022 to 421,247 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