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Population of Gangnam-gu, Seoul

Resident registration data, June 2026 (MOIS)

Total population552,830people
Average age43yrs

Population structure

Population by age

10-year bands · by sex

Population by age and sex

Unit: people

Under 1010s20s30s👑 40s50s60s70s80s90s100+16,12733,09728,71537,22945,06244,40029,83520,2948,1818591915,12430,52832,74442,03953,89144,43833,52425,1559,4962,00072

Male 263,818Female 289,012

Age structure

Unit: %

Youth 11.4%Working age 70.9%Seniors 17.7%11.4%70.9%17.7%

Youth 11.4%Working age 70.9%Seniors 17.7%

40s is the largest group, at 98,953 people.

Population change

Change over time

4-year trend

Unit: people

531,777 in 2022537,139 in 2023556,570 in 2024556,565 in 2025552,830 in 202620222023202420252026

531,777 in 2022552,830 in 2026

Up 4% over the past 4 years.

Population ranking

Gaepo-dong has the largest population of the 14 neighborhoods.

Population by region

14
  • YoungestYeoksam-dong41.1 yrs
  • OldestSuseo-dong49.7 yrs

There is an 8.6-year gap in average age between the youngest and the oldest area.

RegionPopulationShareAverage age
Gaepo-dong87,42815.8%43.4 yrs
Daechi-dong79,75414.4%41.2 yrs
Yeoksam-dong70,17012.7%41.1 yrs
Dogok-dong52,2669.5%42.8 yrs
Irwon-dong46,1538.3%42.3 yrs
Samseong-dong42,9237.8%43.1 yrs
Nonhyeon-dong40,6747.4%44 yrs
Apgujeong-dong30,0505.4%45.6 yrs
Jagok-dong28,0605.1%41.4 yrs
Cheongdam-dong26,3444.8%43.9 yrs
Suseo-dong21,0803.8%49.7 yrs
Segok-dong13,8282.5%44.7 yrs
Sinsa-dong10,3481.9%45.2 yrs
Yulhyeon-dong3,7520.7%44 yrs

The top three areas hold 42.9% of the population of Gangnam-gu, Seoul.

Other regions

Other districts in Seoul

16

Frequently asked questions❓

Gangnam-gu, Seoul has 552,830 residents as of June 2026., 3,735 fewer than a year earlier.
Gaepo-dong, home to 87,428 residents — 15.8% of Gangnam-gu, Seoul.
It is 43 as of June 2026., 2.6 years below the national average of 45.6. Among its neighborhoods, Yeoksam-dong is youngest at 41.1 and Suseo-dong oldest at 49.7.
It rose 4% over 4 years, from 531,777 in 2022 to 552,830 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 🌐