Total population8,747people
Households5,546households
Average age53.6yrs
Sex ratioMale4,943peopleFemale3,804people56.5%43.5%
Population change
Change over time
4-year trendUnit: people
9,070 in 20228,747 in 2026
Down 3.6% over the past 4 years.
Migration
As of August 2026Monthly Overview
Moved in91people
Moved out124people
Net migrationβ33people
Net migration by month
Unit: people
Net inflowNet outflow
Top origins
Unit: people
| Region | Moved in |
|---|---|
| Pohang-si | 21 |
| Seo-gu, Daegu | 3 |
| Buk-gu, Daegu | 3 |
| Gumi-si | 3 |
| Changwon-si, Gyeongsangnam-do | 3 |
Top destinations
Unit: people
| Region | Moved out |
|---|---|
| Pohang-si | 22 |
| Suseong-gu, Daegu | 7 |
| Dalseo-gu, Daegu | 6 |
| Buk-gu, Daegu | 4 |
| Dalseong-gun, Daegu | 4 |
Net migration varied across the past 12 months, totaling β47.
Population structure
Population by age
As of September 2026Population by age and sex
Unit: people
Male 4,943Female 3,804
Age structure
Unit: %
Youth 5.2%Working age 62.1%Seniors 32.7%
60s is the largest group, at 2,043 people.
Population ranking
Population by region
As of September 2026| Region | Share | ||
|---|---|---|---|
| Ulleung-eup | 6,050 | 69.2% | 52.2 yrs |
| Seo-myeon | 1,376 | 15.7% | 57.9 yrs |
| Buk-myeon | 1,321 | 15.1% | 55.3 yrs |
Ulleung-eup alone holds 69.2% of the population of Ulleung-gun, Gyeongsangbuk-do.
Frequently asked questionsβ
Ulleung-gun, Gyeongsangbuk-do has 8,747 residents as of September 2026., 113 fewer than a year earlier.
Ulleung-eup, home to 6,050 residents (69.2% of Ulleung-gun, Gyeongsangbuk-do).
It is 53.6 as of September 2026., 7.9 years above the national average of 45.7. Among its towns and townships, Ulleung-eup is youngest at 52.2 and Seo-myeon oldest at 57.9.
It fell 3.6% over 4 years, from 9,070 in 2022 to 8,747 in September 2026.
As of August 2026, the most people moved in from Pohang-si (21) and the most moved out to Pohang-si (22). Net migration varied across the past 12 months, totaling β47.
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