Gasan Digital Complex Station Intersection, Gasan-dong, Geumcheon-guGeumcheon Sports Park Trail, Doksan-dong, Geumcheon-guGeumbit Park Rooftop Garden, Siheung-dong, Geumcheon-gu
Total population222,368people
Households122,242households
Average age46.8yrs
Sex ratioMale111,482peopleFemale110,886people50.1%49.9%

Population change

Change over time

4-year trend

Unit: people

231,356 in 2022228,858 in 2023226,290 in 2024223,591 in 2025222,368 in 202620222023202420252026

231,356 in 2022222,368 in 2026

Down 3.9% over the past 4 years.

Migration

As of August 2026

Monthly Overview

Moved in2,502people
Moved out2,545people
Net migrationβˆ’43people

Net migration by month

Unit: people

43243βˆ’157βˆ’275βˆ’193βˆ’783βˆ’51βˆ’140βˆ’35βˆ’43SepOctNovDecJanFebMarAprMayJunJulAug4 in Sep 202532 in Oct 202543 in Nov 2025βˆ’157 in Dec 2025βˆ’275 in Jan 2026βˆ’193 in Feb 2026βˆ’78 in Mar 20263 in Apr 2026βˆ’51 in May 2026βˆ’140 in Jun 2026βˆ’35 in Jul 2026βˆ’43 in Aug 2026

Net inflowNet outflow

Top origins

Unit: people

Top destinations

Unit: people

Outflows exceeded inflows in 8 of the past 12 months, for a net loss of 890.

Want more detail on migration in Geumcheon-gu?See more Geumcheon-gu statistics on GData

Population structure

Population by age

As of September 2026

Population by age and sex

Unit: people

Under 1010s20sπŸ‘‘ 30s40s50s60s70s80s90s100+4,0795,99214,41722,16014,76917,12418,38410,2513,93636373,8975,80716,14318,30412,48617,01618,77711,9645,54093417

Male 111,482Female 110,886

Age structure

Unit: %

Youth 6.2%Working age 70.6%Seniors 23.2%70.6%23.2%

Youth 6.2%Working age 70.6%Seniors 23.2%

30s is the largest group, at 40,464 people.

Population ranking

Population by region

As of September 2026
RegionShare
Doksan-dong100,99345.4%46 yrs
Siheung-dong95,73643.1%49.2 yrs
Gasan-dong25,63911.5%40.9 yrs

Doksan-dong alone holds 45.4% of the population of Geumcheon-gu, Seoul.

Want to explore Geumcheon-gu's demographics in more detail?See more Geumcheon-gu statistics on GData

Frequently asked questions❓

Geumcheon-gu, Seoul has 222,368 residents as of September 2026., 1,223 fewer than a year earlier.
Doksan-dong, home to 100,993 residents (45.4% of Geumcheon-gu, Seoul).
It is 46.8 as of September 2026., 1.1 years above the national average of 45.7. Among its neighborhoods, Gasan-dong is youngest at 40.9 and Siheung-dong oldest at 49.2.
It fell 3.9% over 4 years, from 231,356 in 2022 to 222,368 in September 2026.
As of August 2026, the most people moved in from Gwanak-gu (240) and the most moved out to Gwanak-gu (138). Outflows exceeded inflows in 8 of the past 12 months, for a net loss of 890.
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 🌐