Total population260,069people
Households122,183households
Average age48.5yrs
Sex ratioMale127,325peopleFemale132,744people49.0%51.0%
Population change
Change over time
4-year trendUnit: people
280,116 in 2022260,069 in 2026
Down 7.2% over the past 4 years.
Migration
As of August 2026Monthly Overview
Moved in1,559people
Moved out1,844people
Net migrationβ285people
Net migration by month
Unit: people
Net inflowNet outflow
Top origins
Unit: people
| Region | Moved in |
|---|---|
| Sasang-gu | 95 |
| Yangsan-si, Gyeongsangnam-do | 94 |
| Busanjin-gu | 83 |
| Dongnae-gu | 83 |
| Yeonje-gu | 49 |
Top destinations
Unit: people
| Region | Moved out |
|---|---|
| Yangsan-si, Gyeongsangnam-do | 113 |
| Busanjin-gu | 91 |
| Sasang-gu | 90 |
| Gangseo-gu | 87 |
| Gimhae-si, Gyeongsangnam-do | 75 |
Outflows exceeded inflows in every one of the past 12 months, for a net loss of 3,299.
Population structure
Population by age
As of September 2026Population by age and sex
Unit: people
Male 127,325Female 132,744
Age structure
Unit: %
Youth 8.7%Working age 64.6%Seniors 26.6%
60s is the largest group, at 52,004 people.
Population ranking
Population by region
As of September 2026- YoungestHwamyeong-dong44.6 yrs
- OldestGeumgok-dong52.3 yrs
| Region | Share | ||
|---|---|---|---|
| Hwamyeong-dong | 82,423 | 31.7% | 44.6 yrs |
| Mandeok-dong | 57,562 | 22.1% | 47.8 yrs |
| Gupo-dong | 53,171 | 20.4% | 50.9 yrs |
| Deokcheon-dong | 33,539 | 12.9% | 51.6 yrs |
| Geumgok-dong | 33,374 | 12.8% | 52.3 yrs |
The top three areas hold 74.3% of the population of Buk-gu, Busan.
Frequently asked questionsβ
Buk-gu, Busan has 260,069 residents as of September 2026., 4,073 fewer than a year earlier.
Hwamyeong-dong, home to 82,423 residents (31.7% of Buk-gu, Busan).
It is 48.5 as of September 2026., 2.8 years above the national average of 45.7. Among its neighborhoods, Hwamyeong-dong is youngest at 44.6 and Geumgok-dong oldest at 52.3.
It fell 7.2% over 4 years, from 280,116 in 2022 to 260,069 in September 2026.
As of August 2026, the most people moved in from Sasang-gu (95) and the most moved out to Yangsan-si, Gyeongsangnam-do (113). Outflows exceeded inflows in every one of the past 12 months, for a net loss of 3,299.
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 π
- Resident registration data, Ministry of the Interior and SafetyKOGL Type 1 Β· as of September 2026 Β· updated monthly
- Internal Migration Statistics, Statistics Korea (KOSIS)KOGL Type 1 Β· as of August 2026 Β· updated monthly