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Population of Sosa-gu, Bucheon-si

Resident registration data, June 2026 (MOIS)

Total population224,202people
Average age45.9yrs

Population structure

Population by age

10-year bands · by sex

Population by age and sex

Unit: people

Under 1010s20s30s40s50s👑 60s70s80s90s100+6,6639,85311,05415,38017,67917,86817,7829,7943,15033946,2859,49810,82814,53317,15718,96020,22611,3274,7421,04632

Male 109,566Female 114,636

Age structure

Unit: %

Youth 10.1%Working age 67.9%Seniors 22.1%10.1%67.9%22.1%

Youth 10.1%Working age 67.9%Seniors 22.1%

60s is the largest group, at 38,008 people.

Population change

Change over time

2-year trend

Unit: people

228,864 in 2024226,160 in 2025224,202 in 2026202420252026

228,864 in 2024224,202 in 2026

Down 2% over the past 2 years.

Population ranking

Sosabon-dong has the largest population of the 7 neighborhoods.

Population by region

7
  • YoungestGyesu-dong37.9 yrs
  • OldestSimgokbon-dong50.6 yrs

There is a 12.7-year gap in average age between the youngest and the oldest area.

RegionPopulationShareAverage age
Sosabon-dong53,01323.6%47.2 yrs
Songnae-dong43,21419.3%46.8 yrs
Goean-dong39,89117.8%48.3 yrs
Beombak-dong30,31613.5%40.5 yrs
Simgokbon-dong28,88212.9%50.6 yrs
Okgil-dong28,87712.9%39.5 yrs
Gyesu-dong90%37.9 yrs

The top three areas hold 60.7% of the population of Sosa-gu, Bucheon-si.

Other regions

Other districts in Gyeonggi

16

Frequently asked questions❓

Sosa-gu, Bucheon-si has 224,202 residents as of June 2026., 1,958 fewer than a year earlier.
Sosabon-dong, home to 53,013 residents — 23.6% of Sosa-gu, Bucheon-si.
It is 45.9 as of June 2026., close to the national average of 45.6. Among its neighborhoods, Gyesu-dong is youngest at 37.9 and Simgokbon-dong oldest at 50.6.
It fell 2% over 2 years, from 228,864 in 2024 to 224,202 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 🌐