한국어

Population of Seocho-gu, Seoul

Resident registration data, June 2026 (MOIS)

Total population414,383people
Average age43.1yrs

Population structure

Population by age

10-year bands · by sex

Population by age and sex

Unit: people

Under 1010s20s30s👑 40s50s60s70s80s90s100+13,46922,95422,28526,63832,59733,72322,84314,9636,4127611712,58722,70224,98130,67438,17235,06225,94218,3547,6851,51447

Male 196,662Female 217,721

Age structure

Unit: %

Youth 11.8%Working age 70.3%Seniors 17.9%11.8%70.3%17.9%

Youth 11.8%Working age 70.3%Seniors 17.9%

40s is the largest group, at 70,769 people.

Population change

Change over time

4-year trend

Unit: people

407,672 in 2022404,484 in 2023407,404 in 2024407,507 in 2025414,383 in 202620222023202420252026

407,672 in 2022414,383 in 2026

Up 1.6% over the past 4 years.

Population ranking

Seocho-dong has the largest population of the 10 neighborhoods.

Population by region

10
  • YoungestBanpo-dong41.2 yrs
  • OldestWonji-dong56.4 yrs

There is a 15.2-year gap in average age between the youngest and the oldest area.

RegionPopulationShareAverage age
Seocho-dong105,99925.6%42.6 yrs
Bangbae-dong95,48223%44.4 yrs
Banpo-dong77,69818.8%41.2 yrs
Jamwon-dong57,64913.9%41.9 yrs
Yangjae-dong34,4378.3%44.5 yrs
Umyeon-dong26,3026.3%44.7 yrs
Naegok-dong7,8851.9%44.5 yrs
Sinwon-dong7,7121.9%45.7 yrs
Yeomgok-dong9660.2%49.6 yrs
Wonji-dong2530.1%56.4 yrs

The top three areas hold 67.4% of the population of Seocho-gu, Seoul.

Other regions

Other districts in Seoul

16

Frequently asked questions❓

Seocho-gu, Seoul has 414,383 residents as of June 2026., 6,876 more than a year earlier.
Seocho-dong, home to 105,999 residents — 25.6% of Seocho-gu, Seoul.
It is 43.1 as of June 2026., 2.5 years below the national average of 45.6. Among its neighborhoods, Banpo-dong is youngest at 41.2 and Wonji-dong oldest at 56.4.
It rose 1.6% over 4 years, from 407,672 in 2022 to 414,383 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 🌐