Ali DealsAliExpress Dealsν•œκ΅­μ–΄
Kyung Hee University Central Museum, Hoegi-dong, Dongdaemun-guSeoul Yangnyeongsi Herbal Market, Jegi-dong, Dongdaemun-guKing Sejong Memorial Hall Courtyard, Cheongnyangni-dong, Dongdaemun-guHUFS Street, Imun-dong, Dongdaemun-guUniversity of Seoul Museum Courtyard, Jeonnong-dong, Dongdaemun-guSeoul Pungmul Market Street, Sinseol-dong, Dongdaemun-guNocheon Pajeon Alley, Hwigyeong-dong, Dongdaemun-guYongdu-dong Jjukkumi Alley, Yongdu-dong, Dongdaemun-gu

Population of Dongdaemun-gu, Seoul

As of September 2026

Total population353,448people
Households181,313households
Average age44.8yrs
Sex ratioMale172,051peopleFemale181,397people48.7%51.3%

Population change

Change over time

4-year trend

Unit: people

337,233 in 2022340,333 in 2023340,893 in 2024344,481 in 2025353,448 in 202620222023202420252026

337,233 in 2022353,448 in 2026

Up 4.8% over the past 4 years.

Migration

As of August 2026

Monthly Overview

Moved in4,448people
Moved out4,129people
Net migration319people

Net migration by month

Unit: people

105βˆ’187βˆ’492,1252,3551,7381,088109591551160319SepOctNovDecJanFebMarAprMayJunJulAug105 in Sep 2025βˆ’187 in Oct 2025βˆ’49 in Nov 20252,125 in Dec 20252,355 in Jan 20261,738 in Feb 20261,088 in Mar 2026109 in Apr 2026591 in May 2026551 in Jun 2026160 in Jul 2026319 in Aug 2026

Net inflowNet outflow

Top origins

Unit: people

RegionMoved in
Seongbuk-gu219
Seongdong-gu209
Jungnang-gu162
Gwangjin-gu128
Songpa-gu120

Top destinations

Unit: people

RegionMoved out
Seongbuk-gu194
Jungnang-gu183
Nowon-gu144
Songpa-gu117
Gwangjin-gu115

Inflows exceeded outflows in 10 of the past 12 months, for a net gain of 8,905.

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

Population structure

Population by age

As of September 2026

Population by age and sex

Unit: people

Under 1010s20sπŸ‘‘ 30s40s50s60s70s80s90s100+9,23411,71825,86428,61824,77126,42523,95314,5846,18069598,83511,48629,61127,92923,78526,19724,90217,6439,3861,58241

Male 172,051Female 181,397

Age structure

Unit: %

Youth 8.4%Working age 70.5%Seniors 21.1%70.5%21.1%

Youth 8.4%Working age 70.5%Seniors 21.1%

30s is the largest group, at 56,547 people.

Population ranking

Population by region

As of September 2026
  • YoungestHoegi-dong40.1 yrs
  • OldestCheongnyangni-dong51.5 yrs
RegionShare
Jangan-dong70,00319.8%45.1 yrs
Dapsimni-dong54,72715.5%45.1 yrs
Jeonnong-dong49,59714%46 yrs
Imun-dong48,96113.9%42.3 yrs
Hwigyeong-dong40,33411.4%42.3 yrs
Yongdu-dong35,0369.9%44.7 yrs
Jegi-dong22,0656.2%47.6 yrs
Cheongnyangni-dong18,3745.2%51.5 yrs
Hoegi-dong10,2692.9%40.1 yrs
Sinseol-dong4,0821.2%42.2 yrs

The top three areas hold 49.3% of the population of Dongdaemun-gu, Seoul.

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

Frequently asked questions❓

Dongdaemun-gu, Seoul has 353,448 residents as of September 2026., 8,967 more than a year earlier.
Jangan-dong, home to 70,003 residents (19.8% of Dongdaemun-gu, Seoul).
It is 44.8 as of September 2026., 0.9 years below the national average of 45.7. Among its neighborhoods, Hoegi-dong is youngest at 40.1 and Cheongnyangni-dong oldest at 51.5.
It rose 4.8% over 4 years, from 337,233 in 2022 to 353,448 in September 2026.
As of August 2026, the most people moved in from Seongbuk-gu (219) and the most moved out to Seongbuk-gu (194). Inflows exceeded outflows in 10 of the past 12 months, for a net gain of 8,905.
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 🌐