Total population46,952people
Households27,415households
Average age55.7yrs
Sex ratioMale23,551peopleFemale23,401people50.2%49.8%
Population change
Change over time
4-year trendUnit: people
50,358 in 202246,952 in 2026
Down 6.8% over the past 4 years.
Migration
As of August 2026Monthly Overview
Moved in279people
Moved out217people
Net migration62people
Net migration by month
Unit: people
Net inflowNet outflow
Top origins
Unit: people
| Region | Moved in |
|---|---|
| Jeonju-si | 42 |
| Gunsan-si | 13 |
| Gimje-si | 12 |
| Jeongeup-si | 9 |
| Yuseong-gu, Daejeon | 6 |
Top destinations
Unit: people
| Region | Moved out |
|---|---|
| Jeonju-si | 28 |
| Gunsan-si | 10 |
| Gimje-si | 6 |
| Namdong-gu, Incheon | 4 |
| Pyeongtaek-si, Gyeonggi | 4 |
Net migration varied across the past 12 months, totaling +51.
Population structure
Population by age
As of September 2026Population by age and sex
Unit: people
Male 23,551Female 23,401
Age structure
Unit: %
Youth 6.5%Working age 53.1%Seniors 40.4%
60s is the largest group, at 10,295 people.
Population ranking
Population by region
As of September 2026- YoungestBuan-eup48.4 yrs
- OldestBoan-myeon64 yrs
| Region | Share | ||
|---|---|---|---|
| Buan-eup | 19,803 | 42.2% | 48.4 yrs |
| Byeonsan-myeon | 4,050 | 8.6% | 57.1 yrs |
| Gyehwa-myeon | 2,886 | 6.1% | 61.2 yrs |
| Dongjin-myeon | 2,443 | 5.2% | 62.5 yrs |
| Julpo-myeon | 2,363 | 5% | 60.8 yrs |
| Haseo-myeon | 2,319 | 4.9% | 62.3 yrs |
| Baeksan-myeon | 2,219 | 4.7% | 63.4 yrs |
| Boan-myeon | 2,142 | 4.6% | 64 yrs |
| Jinseo-myeon | 2,049 | 4.4% | 60.3 yrs |
| Haengan-myeon | 1,959 | 4.2% | 58.1 yrs |
| Sangseo-myeon | 1,931 | 4.1% | 62.2 yrs |
| Jusan-myeon | 1,699 | 3.6% | 62.8 yrs |
| Wido-myeon | 1,089 | 2.3% | 61.9 yrs |
The top three areas hold 56.9% of the population of Buan-gun, Jeonbuk-do.
Frequently asked questionsβ
Buan-gun, Jeonbuk-do has 46,952 residents as of September 2026., 494 fewer than a year earlier.
Buan-eup, home to 19,803 residents (42.2% of Buan-gun, Jeonbuk-do).
It is 55.7 as of September 2026., 10 years above the national average of 45.7. Among its towns and townships, Buan-eup is youngest at 48.4 and Boan-myeon oldest at 64.
It fell 6.8% over 4 years, from 50,358 in 2022 to 46,952 in September 2026.
As of August 2026, the most people moved in from Jeonju-si (42) and the most moved out to Jeonju-si (28). Net migration varied across the past 12 months, totaling +51.
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