Total population43,079people
Households23,608households
Average age53yrs
Sex ratioMale22,115peopleFemale20,964people51.3%48.7%
Population change
Change over time
4-year trendUnit: people
43,233 in 202243,079 in 2026
Barely changed over the past 4 years.
Migration
As of August 2026Monthly Overview
Moved in351people
Moved out384people
Net migrationβ33people
Net migration by month
Unit: people
Net inflowNet outflow
Top origins
Unit: people
| Region | Moved in |
|---|---|
| Gwangsan-gu, Gwangju | 72 |
| Buk-gu, Gwangju | 41 |
| Seo-gu, Gwangju | 16 |
| Nam-gu, Gwangju | 15 |
| Hampyeong-gun | 8 |
Top destinations
Unit: people
| Region | Moved out |
|---|---|
| Gwangsan-gu, Gwangju | 66 |
| Buk-gu, Gwangju | 42 |
| Seo-gu, Gwangju | 16 |
| Dong-gu, Gwangju | 13 |
| Paju-si, Gyeonggi | 8 |
Inflows exceeded outflows in 10 of the past 12 months, for a net gain of 556.
Population structure
Population by age
As of September 2026Population by age and sex
Unit: people
Male 22,115Female 20,964
Age structure
Unit: %
Youth 7.9%Working age 56.6%Seniors 35.6%
60s is the largest group, at 8,823 people.
Population ranking
Population by region
As of September 2026- YoungestSamgye-myeon47.2 yrs
- OldestBukha-myeon60.9 yrs
| Region | Share | ||
|---|---|---|---|
| Jangseong-eup | 15,030 | 34.9% | 49.1 yrs |
| Samgye-myeon | 5,206 | 12.1% | 47.2 yrs |
| Hwangnyong-myeon | 3,704 | 8.6% | 55.6 yrs |
| Nam-myeon | 3,603 | 8.4% | 55.1 yrs |
| Jinwon-myeon | 3,558 | 8.3% | 52.9 yrs |
| Samseo-myeon | 2,934 | 6.8% | 56.7 yrs |
| Bugi-myeon | 2,564 | 6% | 60.5 yrs |
| Bukha-myeon | 1,903 | 4.4% | 60.9 yrs |
| Donghwa-myeon | 1,809 | 4.2% | 59.1 yrs |
| Seosam-myeon | 1,467 | 3.4% | 56.6 yrs |
| Bugil-myeon | 1,301 | 3% | 60.6 yrs |
The top three areas hold 55.6% of the population of Jangseong-gun, Jeollanam-do.
Frequently asked questionsβ
Jangseong-gun, Jeollanam-do has 43,079 residents as of September 2026., 240 more than a year earlier.
Jangseong-eup, home to 15,030 residents (34.9% of Jangseong-gun, Jeollanam-do).
It is 53 as of September 2026., 7.3 years above the national average of 45.7. Among its towns and townships, Samgye-myeon is youngest at 47.2 and Bukha-myeon oldest at 60.9.
It fell 0.4% over 4 years, from 43,233 in 2022 to 43,079 in September 2026.
As of August 2026, the most people moved in from Gwangsan-gu, Gwangju (72) and the most moved out to Gwangsan-gu, Gwangju (66). Inflows exceeded outflows in 10 of the past 12 months, for a net gain of 556.
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