Population of Nam-gu, Ulsan
Resident registration data, June 2026 (MOIS)
Total population304,337people
Average age44.5yrs
Population structure
Population by age
10-year bands · by sexPopulation by age and sex
Unit: people
Male 155,882Female 148,455
Age structure
Unit: %
Youth 10.4%Working age 70.5%Seniors 19.2%
50s is the largest group, at 55,029 people.
Population change
Change over time
4-year trendUnit: people
312,159 in 2022304,337 in 2026
Down 2.5% over the past 4 years.
Population ranking
Sinjeong-dong has the largest population of the 16 neighborhoods.
Population by region
16- YoungestDuwang-dong39.7 yrs
- OldestSeongam-dong74.1 yrs
There is a 34.4-year gap in average age between the youngest and the oldest area.
| Region | Population | Share | Average age |
|---|---|---|---|
| Sinjeong-dong | 88,711 | 29.1% | 45 yrs |
| Yaeum-dong | 54,415 | 17.9% | 42.6 yrs |
| Mugeo-dong | 50,073 | 16.5% | 45.4 yrs |
| Dal-dong | 39,338 | 12.9% | 45.7 yrs |
| Samsan-dong | 33,430 | 11% | 43 yrs |
| Ok-dong | 21,252 | 7% | 44.3 yrs |
| Seonam-dong | 11,702 | 3.8% | 47 yrs |
| Duwang-dong | 3,305 | 1.1% | 39.7 yrs |
| Sanggae-dong | 1,060 | 0.3% | 50.8 yrs |
| Jangsaengpo-dong | 668 | 0.2% | 59.4 yrs |
| Maeam-dong | 295 | 0.1% | 50.3 yrs |
| Yeocheon-dong | 58 | 0% | 56.7 yrs |
| Yongyeon-dong | 10 | 0% | 56.6 yrs |
| Seongam-dong | 7 | 0% | 74.1 yrs |
| Hwangseong-dong | 7 | 0% | 55.7 yrs |
| Bugok-dong | 6 | 0% | 60.5 yrs |
The top three areas hold 63.5% of the population of Nam-gu, Ulsan.
Other regions
Other districts in Ulsan
4Frequently asked questions❓
Nam-gu, Ulsan has 304,337 residents as of June 2026., 69 more than a year earlier.
Sinjeong-dong, home to 88,711 residents — 29.1% of Nam-gu, Ulsan.
It is 44.5 as of June 2026., 1.1 years below the national average of 45.6. Among its neighborhoods, Duwang-dong is youngest at 39.7 and Seongam-dong oldest at 74.1.
It fell 2.5% over 4 years, from 312,159 in 2022 to 304,337 in June 2026.
This is resident registration data from Korea's Ministry of the Interior and Safety. Figures are as of the end of June 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 🌐
- Resident registration data, Ministry of the Interior and SafetyKOGL Type 1 · as of June 2026 · updated monthly