Total population223,777people
Households98,904households
Average age46yrs
Sex ratioMale109,324peopleFemale114,453people48.9%51.1%
Population change
Change over time
2-year trendUnit: people
228,706 in 2024223,777 in 2026
Down 2.2% over the past 2 years.
Population structure
Population by age
As of September 2026Population by age and sex
Unit: people
Male 109,324Female 114,453
Age structure
Unit: %
Youth 10.1%Working age 67.7%Seniors 22.2%
60s is the largest group, at 37,927 people.
Population ranking
Population by region
As of September 2026- YoungestGyesu-dong36 yrs
- OldestSimgokbon-dong50.8 yrs
| Region | Share | ||
|---|---|---|---|
| Sosabon-dong | 52,862 | 23.6% | 47.3 yrs |
| Songnae-dong | 43,116 | 19.3% | 47 yrs |
| Goean-dong | 39,670 | 17.7% | 48.4 yrs |
| Beombak-dong | 30,377 | 13.6% | 40.6 yrs |
| Okgil-dong | 28,905 | 12.9% | 39.6 yrs |
| Simgokbon-dong | 28,836 | 12.9% | 50.8 yrs |
| Gyesu-dong | 11 | 0% | 36 yrs |
The top three areas hold 60.6% of the population of Sosa-gu, Bucheon-si.
Frequently asked questionsβ
Sosa-gu, Bucheon-si has 223,777 residents as of September 2026., 2,534 fewer than a year earlier.
Sosabon-dong, home to 52,862 residents (23.6% of Sosa-gu, Bucheon-si).
It is 46 as of September 2026., close to the national average of 45.7. Among its neighborhoods, Gyesu-dong is youngest at 36 and Simgokbon-dong oldest at 50.8.
It fell 2.2% over 2 years, from 228,706 in 2024 to 223,777 in September 2026.
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