Total population27,686people
Households16,138households
Average age56.8yrs
Sex ratioMale13,829peopleFemale13,857people49.9%50.1%
Population change
Change over time
4-year trendUnit: people
27,283 in 202227,686 in 2026
Up 1.5% over the past 4 years.
Migration
As of August 2026Monthly Overview
Moved in195people
Moved out142people
Net migration53people
Net migration by month
Unit: people
Net inflowNet outflow
Top origins
Unit: people
| Region | Moved in |
|---|---|
| Buk-gu, Gwangju | 25 |
| Gwangsan-gu, Gwangju | 19 |
| Yeosu-si | 9 |
| Seo-gu, Gwangju | 8 |
| Suncheon-si | 7 |
Top destinations
Unit: people
| Region | Moved out |
|---|---|
| Buk-gu, Gwangju | 18 |
| Seo-gu, Gwangju | 11 |
| Sunchang-gun, Jeonbuk-do | 11 |
| Suncheon-si | 7 |
| Gwangsan-gu, Gwangju | 7 |
Inflows exceeded outflows in every one of the past 12 months, for a net gain of 1,440.
Population structure
Population by age
As of September 2026Population by age and sex
Unit: people
Male 13,829Female 13,857
Age structure
Unit: %
Youth 5.6%Working age 52.7%Seniors 41.6%
60s is the largest group, at 6,466 people.
Population ranking
Population by region
As of September 2026- YoungestGokseong-eup51.7 yrs
- OldestGodal-myeon63.4 yrs
| Region | Share | ||
|---|---|---|---|
| Gokseong-eup | 8,064 | 29.1% | 51.7 yrs |
| Okgwa-myeon | 4,117 | 14.9% | 52.5 yrs |
| Ip-myeon | 2,318 | 8.4% | 57.5 yrs |
| Seokgok-myeon | 2,177 | 7.9% | 61.4 yrs |
| Jukgok-myeon | 1,973 | 7.1% | 61.1 yrs |
| Ogok-myeon | 1,753 | 6.3% | 59.8 yrs |
| Samgi-myeon | 1,665 | 6% | 62.4 yrs |
| Gyeom-myeon | 1,657 | 6% | 60.8 yrs |
| Osan-myeon | 1,534 | 5.5% | 59.1 yrs |
| Moksadong-myeon | 1,354 | 4.9% | 62.6 yrs |
| Godal-myeon | 1,074 | 3.9% | 63.4 yrs |
The top three areas hold 52.4% of the population of Gokseong-gun, Jeollanam-do.
Want to explore Gokseong-gun's demographics in more detail?See more Gokseong-gun statistics on GData
Frequently asked questionsβ
Gokseong-gun, Jeollanam-do has 27,686 residents as of September 2026., 1,094 more than a year earlier.
Gokseong-eup, home to 8,064 residents (29.1% of Gokseong-gun, Jeollanam-do).
It is 56.8 as of September 2026., 11.1 years above the national average of 45.7. Among its towns and townships, Gokseong-eup is youngest at 51.7 and Godal-myeon oldest at 63.4.
It rose 1.5% over 4 years, from 27,283 in 2022 to 27,686 in September 2026.
As of August 2026, the most people moved in from Buk-gu, Gwangju (25) and the most moved out to Buk-gu, Gwangju (18). Inflows exceeded outflows in every one of the past 12 months, for a net gain of 1,440.
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