Gwangalli Beach & Gwangan Bridge, Gwangan-dong, Suyeong-guMillak Waterside Park, Millak-dong, Suyeong-gu
Total population169,336people
Households88,468households
Average age48.3yrs
Sex ratioMale79,296peopleFemale90,040people46.8%53.2%

Population change

Change over time

4-year trend

Unit: people

174,596 in 2022175,455 in 2023172,814 in 2024169,877 in 2025169,336 in 202620222023202420252026

174,596 in 2022169,336 in 2026

Down 3% over the past 4 years.

Migration

As of August 2026

Monthly Overview

Moved in2,520people
Moved out2,099people
Net migration421people

Net migration by month

Unit: people

βˆ’58βˆ’254βˆ’73βˆ’128βˆ’75βˆ’104βˆ’10236βˆ’41βˆ’16580421SepOctNovDecJanFebMarAprMayJunJulAugβˆ’58 in Sep 2025βˆ’254 in Oct 2025βˆ’73 in Nov 2025βˆ’128 in Dec 2025βˆ’75 in Jan 2026βˆ’104 in Feb 2026βˆ’102 in Mar 202636 in Apr 2026βˆ’41 in May 2026βˆ’16 in Jun 2026580 in Jul 2026421 in Aug 2026

Net inflowNet outflow

Top origins

Unit: people

RegionMoved in
Nam-gu297
Haeundae-gu259
Busanjin-gu170
Yeonje-gu137
Dongnae-gu119

Top destinations

Unit: people

RegionMoved out
Nam-gu226
Haeundae-gu180
Busanjin-gu118
Yeonje-gu108
Dongnae-gu47

Outflows led in 9 of the past 12 months, but a few large inflow months left a net gain of 186.

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

Population structure

Population by age

As of September 2026

Population by age and sex

Unit: people

Under 1010s20s30s40s50sπŸ‘‘ 60s70s80s90s100+3,7005,9198,82211,85111,32712,37811,9489,1853,81335033,5695,58110,02411,46011,62913,69615,37212,2475,4341,00325

Male 79,296Female 90,040

Age structure

Unit: %

Youth 7.7%Working age 65.3%Seniors 27.0%65.3%27.0%

Youth 7.7%Working age 65.3%Seniors 27.0%

60s is the largest group, at 27,320 people.

Population ranking

Population by region

As of September 2026
  • YoungestNamcheon-dong46.4 yrs
  • OldestSuyeong-dong53.3 yrs
RegionShare
Gwangan-dong65,44238.6%47 yrs
Mangmi-dong34,23120.2%51.1 yrs
Namcheon-dong29,47217.4%46.4 yrs
Millak-dong26,84815.9%47.3 yrs
Suyeong-dong13,3437.9%53.3 yrs

The top three areas hold 76.3% of the population of Suyeong-gu, Busan.

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

Frequently asked questions❓

Suyeong-gu, Busan has 169,336 residents as of September 2026., 541 fewer than a year earlier.
Gwangan-dong, home to 65,442 residents (38.6% of Suyeong-gu, Busan).
It is 48.3 as of September 2026., 2.6 years above the national average of 45.7. Among its neighborhoods, Namcheon-dong is youngest at 46.4 and Suyeong-dong oldest at 53.3.
It fell 3% over 4 years, from 174,596 in 2022 to 169,336 in September 2026.
As of August 2026, the most people moved in from Nam-gu (297) and the most moved out to Nam-gu (226). Outflows led in 9 of the past 12 months, but a few large inflow months left a net gain of 186.
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 🌐