Total population20,354people
Households10,488households
Average age48.4yrs
Sex ratioMale10,712peopleFemale9,642people52.6%47.4%
Population change
Change over time
4-year trendUnit: people
21,522 in 202220,354 in 2026
Down 5.4% over the past 4 years.
Migration
As of August 2026Monthly Overview
Moved in136people
Moved out146people
Net migrationβ10people
Net migration by month
Unit: people
Net inflowNet outflow
Top origins
Unit: people
| Region | Moved in |
|---|---|
| Chuncheon-si | 17 |
| Goyang-si, Gyeonggi | 13 |
| Inje-gun | 6 |
| Namyangju-si, Gyeonggi | 5 |
| Wonju-si | 4 |
Top destinations
Unit: people
| Region | Moved out |
|---|---|
| Chuncheon-si | 33 |
| Wonju-si | 6 |
| Hwaseong-si, Gyeonggi | 5 |
| Michuhol-gu, Incheon | 3 |
| Buk-gu, Ulsan | 3 |
Net migration varied across the past 12 months, totaling β23.
Population structure
Population by age
As of September 2026Population by age and sex
Unit: people
Male 10,712Female 9,642
Age structure
Unit: %
Youth 10.2%Working age 61.2%Seniors 28.6%
60s is the largest group, at 3,995 people.
Population ranking
Population by region
As of September 2026- YoungestYanggu-eup44.4 yrs
- OldestHaean-myeon57.6 yrs
| Region | Share | ||
|---|---|---|---|
| Yanggu-eup | 12,999 | 63.9% | 44.4 yrs |
| Guktojeongjungang-myeon | 3,243 | 15.9% | 55.2 yrs |
| Dong-myeon | 1,794 | 8.8% | 54.2 yrs |
| Haean-myeon | 1,197 | 5.9% | 57.6 yrs |
| Bangsan-myeon | 1,121 | 5.5% | 55.5 yrs |
The top three areas hold 88.6% of the population of Yanggu-gun, Gangwon.
Frequently asked questionsβ
Yanggu-gun, Gangwon has 20,354 residents as of September 2026., 125 fewer than a year earlier.
Yanggu-eup, home to 12,999 residents (63.9% of Yanggu-gun, Gangwon).
It is 48.4 as of September 2026., 2.7 years above the national average of 45.7. Among its towns and townships, Yanggu-eup is youngest at 44.4 and Haean-myeon oldest at 57.6.
It fell 5.4% over 4 years, from 21,522 in 2022 to 20,354 in September 2026.
As of August 2026, the most people moved in from Chuncheon-si (17) and the most moved out to Chuncheon-si (33). Net migration varied across the past 12 months, totaling β23.
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