Total population86,168people
Households43,845households
Average age49.7yrs
Sex ratioMale42,885peopleFemale43,283people49.8%50.2%
Population change
Change over time
4-year trendUnit: people
92,744 in 202286,168 in 2026
Down 7.1% over the past 4 years.
Migration
As of August 2026Monthly Overview
Moved in686people
Moved out668people
Net migration18people
Net migration by month
Unit: people
Net inflowNet outflow
Top origins
Unit: people
| Region | Moved in |
|---|---|
| Yangju-si | 98 |
| Uijeongbu-si | 55 |
| Pocheon-si | 23 |
| Nowon-gu, Seoul | 14 |
| Namyangju-si | 14 |
Top destinations
Unit: people
| Region | Moved out |
|---|---|
| Yangju-si | 78 |
| Uijeongbu-si | 43 |
| Dobong-gu, Seoul | 13 |
| Paju-si | 13 |
| Pocheon-si | 12 |
Net migration varied across the past 12 months, totaling β61.
Population structure
Population by age
As of September 2026Population by age and sex
Unit: people
Male 42,885Female 43,283
Age structure
Unit: %
Youth 8.2%Working age 63.4%Seniors 28.4%
60s is the largest group, at 15,837 people.
Population ranking
Population by region
As of September 2026- YoungestJihaeng-dong44.9 yrs
- OldestGeolsan-dong63.3 yrs
| Region | Share | ||
|---|---|---|---|
| Saengyeon-dong | 31,709 | 36.8% | 51.7 yrs |
| Jihaeng-dong | 25,885 | 30% | 44.9 yrs |
| Songnae-dong | 11,341 | 13.2% | 47.8 yrs |
| Dongducheon-dong | 4,507 | 5.2% | 50.7 yrs |
| Sangpae-dong | 4,465 | 5.2% | 53.7 yrs |
| Bosan-dong | 2,435 | 2.8% | 53.5 yrs |
| Sangbongam-dong | 2,129 | 2.5% | 55.6 yrs |
| Gwangam-dong | 1,304 | 1.5% | 58.9 yrs |
| Tapdong-dong | 911 | 1.1% | 57.5 yrs |
| Habongam-dong | 822 | 1% | 60.7 yrs |
| Anheung-dong | 573 | 0.7% | 61.4 yrs |
| Geolsan-dong | 87 | 0.1% | 63.3 yrs |
The top three areas hold 80.0% of the population of Dongducheon-si, Gyeonggi.
Frequently asked questionsβ
Dongducheon-si, Gyeonggi has 86,168 residents as of September 2026., 704 fewer than a year earlier.
Saengyeon-dong, home to 31,709 residents (36.8% of Dongducheon-si, Gyeonggi).
It is 49.7 as of September 2026., 4 years above the national average of 45.7. Among its neighborhoods, Jihaeng-dong is youngest at 44.9 and Geolsan-dong oldest at 63.3.
It fell 7.1% over 4 years, from 92,744 in 2022 to 86,168 in September 2026.
As of August 2026, the most people moved in from Yangju-si (98) and the most moved out to Yangju-si (78). Net migration varied across the past 12 months, totaling β61.
This is resident registration data from Korea's Ministry of the Interior and Safety. Figures are as of the end of September 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 π
- Resident registration data, Ministry of the Interior and SafetyKOGL Type 1 Β· as of September 2026 Β· updated monthly
- Internal Migration Statistics, Statistics Korea (KOSIS)KOGL Type 1 Β· as of August 2026 Β· updated monthly