Total population58,737people
Households31,402households
Average age51.9yrs
Sex ratioMale28,930peopleFemale29,807people49.3%50.7%
Population change
Change over time
4-year trendUnit: people
60,523 in 202258,737 in 2026
Down 3% over the past 4 years.
Migration
As of August 2026Monthly Overview
Moved in281people
Moved out281people
Net migration0people
Net migration by month
Unit: people
Net inflowNet outflow
Top origins
Unit: people
| Region | Moved in |
|---|---|
| Changwon-si | 22 |
| Jinju-si | 16 |
| Gimhae-si | 8 |
| Sacheon-si | 7 |
| Hamyang-gun | 7 |
Top destinations
Unit: people
| Region | Moved out |
|---|---|
| Dalseo-gu, Daegu | 16 |
| Changwon-si | 15 |
| Gimhae-si | 11 |
| Hamyang-gun | 11 |
| Jinju-si | 9 |
Net migration varied across the past 12 months, totaling β22.
Population structure
Population by age
As of September 2026Population by age and sex
Unit: people
Male 28,930Female 29,807
Age structure
Unit: %
Youth 9.1%Working age 56.8%Seniors 34.1%
60s is the largest group, at 11,610 people.
Population ranking
Population by region
As of September 2026- YoungestGeochang-eup46.3 yrs
- OldestSinwon-myeon65.6 yrs
| Region | Share | ||
|---|---|---|---|
| Geochang-eup | 39,612 | 67.4% | 46.3 yrs |
| Gajo-myeon | 3,374 | 5.7% | 62.7 yrs |
| Namsang-myeon | 2,159 | 3.7% | 62.9 yrs |
| Mari-myeon | 1,858 | 3.2% | 63.1 yrs |
| Wicheon-myeon | 1,795 | 3.1% | 60.8 yrs |
| Ungyang-myeon | 1,714 | 2.9% | 63.3 yrs |
| Buksang-myeon | 1,478 | 2.5% | 62.9 yrs |
| Sinwon-myeon | 1,441 | 2.5% | 65.6 yrs |
| Jusang-myeon | 1,404 | 2.4% | 65 yrs |
| Namha-myeon | 1,332 | 2.3% | 64.6 yrs |
| Gabuk-myeon | 1,292 | 2.2% | 65.3 yrs |
| Goje-myeon | 1,278 | 2.2% | 64.3 yrs |
The top three areas hold 76.9% of the population of Geochang-gun, Gyeongsangnam-do.
Want to explore Geochang-gun's demographics in more detail?See more Geochang-gun statistics on GData
Frequently asked questionsβ
Geochang-gun, Gyeongsangnam-do has 58,737 residents as of September 2026., 460 fewer than a year earlier.
Geochang-eup, home to 39,612 residents (67.4% of Geochang-gun, Gyeongsangnam-do).
It is 51.9 as of September 2026., 6.2 years above the national average of 45.7. Among its towns and townships, Geochang-eup is youngest at 46.3 and Sinwon-myeon oldest at 65.6.
It fell 3% over 4 years, from 60,523 in 2022 to 58,737 in September 2026.
As of August 2026, the most people moved in from Changwon-si (22) and the most moved out to Dalseo-gu, Daegu (16). Net migration varied across the past 12 months, totaling β22.
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