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Dongnae Hot Springs Street, Oncheon-dong, Dongnae-guSajik Baseball Stadium, Sajik-dong, Dongnae-guDongnae Eupseong Fortress Wall, Bokcheon-dong, Dongnae-gu

Population of Dongnae-gu, Busan

As of September 2026

Total population270,512people
Households122,486households
Average age46.3yrs
Sex ratioMale129,981peopleFemale140,531people48.0%52.0%

Population change

Change over time

4-year trend

Unit: people

274,638 in 2022272,176 in 2023268,976 in 2024274,245 in 2025270,512 in 202620222023202420252026

274,638 in 2022270,512 in 2026

Down 1.5% over the past 4 years.

Migration

As of August 2026

Monthly Overview

Moved in1,999people
Moved out2,224people
Net migrationβˆ’225people

Net migration by month

Unit: people

βˆ’129βˆ’203βˆ’112βˆ’317βˆ’57βˆ’390βˆ’573βˆ’306βˆ’335βˆ’309βˆ’342βˆ’225SepOctNovDecJanFebMarAprMayJunJulAugβˆ’129 in Sep 2025βˆ’203 in Oct 2025βˆ’112 in Nov 2025βˆ’317 in Dec 2025βˆ’57 in Jan 2026βˆ’390 in Feb 2026βˆ’573 in Mar 2026βˆ’306 in Apr 2026βˆ’335 in May 2026βˆ’309 in Jun 2026βˆ’342 in Jul 2026βˆ’225 in Aug 2026

Net inflowNet outflow

Top origins

Unit: people

RegionMoved in
Geumjeong-gu192
Haeundae-gu176
Yeonje-gu173
Busanjin-gu136
Buk-gu68

Top destinations

Unit: people

RegionMoved out
Yeonje-gu219
Geumjeong-gu189
Busanjin-gu136
Suyeong-gu119
Haeundae-gu115

Outflows exceeded inflows in every one of the past 12 months, for a net loss of 3,298.

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

Population structure

Population by age

As of September 2026

Population by age and sex

Unit: people

Under 1010s20s30s40sπŸ‘‘ 50s60s70s80s90s100+8,42513,68312,52715,75320,60021,21719,16113,2544,89646328,08312,72912,23015,80621,32422,44622,89916,7526,9731,26126

Male 129,981Female 140,531

Age structure

Unit: %

Youth 11.0%Working age 65.1%Seniors 23.9%11.0%65.1%23.9%

Youth 11.0%Working age 65.1%Seniors 23.9%

50s is the largest group, at 43,663 people.

Population ranking

Population by region

As of September 2026
  • YoungestMyeongnyun-dong41.9 yrs
  • OldestChilsan-dong57.7 yrs
RegionShare
Oncheon-dong93,13534.4%45 yrs
Sajik-dong52,04719.2%44 yrs
Allak-dong37,98914%49.4 yrs
Myeongjang-dong25,8849.6%50.7 yrs
Myeongnyun-dong24,8769.2%41.9 yrs
Nangmin-dong19,5327.2%45.5 yrs
Suan-dong9,3333.5%51.9 yrs
Bokcheon-dong5,1291.9%54.2 yrs
Chilsan-dong2,5871%57.7 yrs

The top three areas hold 67.7% of the population of Dongnae-gu, Busan.

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

Frequently asked questions❓

Dongnae-gu, Busan has 270,512 residents as of September 2026., 3,733 fewer than a year earlier.
Oncheon-dong, home to 93,135 residents (34.4% of Dongnae-gu, Busan).
It is 46.3 as of September 2026., 0.6 years above the national average of 45.7. Among its neighborhoods, Myeongnyun-dong is youngest at 41.9 and Chilsan-dong oldest at 57.7.
It fell 1.5% over 4 years, from 274,638 in 2022 to 270,512 in September 2026.
As of August 2026, the most people moved in from Geumjeong-gu (192) and the most moved out to Yeonje-gu (219). Outflows exceeded inflows in every one of the past 12 months, for a net loss of 3,298.
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 🌐