Total population27,196people
Households15,600households
Average age52.9yrs
Sex ratioMale13,936peopleFemale13,260people51.2%48.8%
Population change
Change over time
4-year trendUnit: people
27,264 in 202227,196 in 2026
Barely changed over the past 4 years.
Migration
As of August 2026Monthly Overview
Moved in232people
Moved out210people
Net migration22people
Net migration by month
Unit: people
Net inflowNet outflow
Top origins
Unit: people
| Region | Moved in |
|---|---|
| Sokcho-si | 45 |
| Chuncheon-si | 11 |
| Gimpo-si, Gyeonggi | 9 |
| Seongnam-si, Gyeonggi | 8 |
| Namyangju-si, Gyeonggi | 8 |
Top destinations
Unit: people
| Region | Moved out |
|---|---|
| Sokcho-si | 44 |
| Gangneung-si | 10 |
| Paju-si, Gyeonggi | 7 |
| Yangyang-gun | 7 |
| Suwon-si, Gyeonggi | 6 |
Inflows exceeded outflows in 11 of the past 12 months, for a net gain of 628.
Population structure
Population by age
As of September 2026Population by age and sex
Unit: people
Male 13,936Female 13,260
Age structure
Unit: %
Youth 7.3%Working age 57.4%Seniors 35.3%
60s is the largest group, at 5,902 people.
Population ranking
Population by region
As of September 2026- YoungestGanseong-eup46.1 yrs
- OldestHyeonnae-myeon61.4 yrs
| Region | Share | ||
|---|---|---|---|
| Toseong-myeon | 9,294 | 34.2% | 51.1 yrs |
| Ganseong-eup | 7,344 | 27% | 46.1 yrs |
| Geojin-eup | 5,371 | 19.7% | 59.5 yrs |
| Jugwang-myeon | 3,173 | 11.7% | 57.7 yrs |
| Hyeonnae-myeon | 2,014 | 7.4% | 61.4 yrs |
The top three areas hold 80.9% of the population of Goseong-gun, Gangwon.
Frequently asked questionsβ
Goseong-gun, Gangwon has 27,196 residents as of September 2026., 445 more than a year earlier.
Toseong-myeon, home to 9,294 residents (34.2% of Goseong-gun, Gangwon).
It is 52.9 as of September 2026., 7.2 years above the national average of 45.7. Among its towns and townships, Ganseong-eup is youngest at 46.1 and Hyeonnae-myeon oldest at 61.4.
It fell 0.2% over 4 years, from 27,264 in 2022 to 27,196 in September 2026.
As of August 2026, the most people moved in from Sokcho-si (45) and the most moved out to Sokcho-si (44). Inflows exceeded outflows in 11 of the past 12 months, for a net gain of 628.
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