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 sex

Population by age and sex

Unit: people

Under 1010s20s30s40s👑 50s60s70s80s90s100+9,06014,56519,03923,80322,82526,80524,75711,6963,06126838,54013,32714,30318,92021,63728,22425,12312,8544,70279925

Male 155,882Female 148,455

Age structure

Unit: %

Youth 10.4%Working age 70.5%Seniors 19.2%10.4%70.5%19.2%

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 trend

Unit: people

312,159 in 2022309,256 in 2023305,262 in 2024304,268 in 2025304,337 in 202620222023202420252026

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.

RegionPopulationShareAverage age
Sinjeong-dong88,71129.1%45 yrs
Yaeum-dong54,41517.9%42.6 yrs
Mugeo-dong50,07316.5%45.4 yrs
Dal-dong39,33812.9%45.7 yrs
Samsan-dong33,43011%43 yrs
Ok-dong21,2527%44.3 yrs
Seonam-dong11,7023.8%47 yrs
Duwang-dong3,3051.1%39.7 yrs
Sanggae-dong1,0600.3%50.8 yrs
Jangsaengpo-dong6680.2%59.4 yrs
Maeam-dong2950.1%50.3 yrs
Yeocheon-dong580%56.7 yrs
Yongyeon-dong100%56.6 yrs
Seongam-dong70%74.1 yrs
Hwangseong-dong70%55.7 yrs
Bugok-dong60%60.5 yrs

The top three areas hold 63.5% of the population of Nam-gu, Ulsan.

Other regions

Other districts in Ulsan

4

Frequently 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 🌐