Population of Seogwipo-si, Jeju

Resident registration data, June 2026 (MOIS)

Total population178,669people
Average age47.7yrs

Population structure

Population by age

10-year bands · by sex

Population by age and sex

Unit: people

Under 1010s20s30s40s👑 50s60s70s80s90s100+5,3799,1347,8638,62813,30217,44715,6828,3703,63549085,0528,6386,2968,29713,19915,03214,8499,5766,0351,70351

Male 89,938Female 88,731

Age structure

Unit: %

Youth 10.8%Working age 63.9%Seniors 25.3%10.8%63.9%25.3%

Youth 10.8%Working age 63.9%Seniors 25.3%

50s is the largest group, at 32,479 people.

Population change

Change over time

4-year trend

Unit: people

184,474 in 2022184,286 in 2023182,631 in 2024180,541 in 2025178,669 in 202620222023202420252026

184,474 in 2022178,669 in 2026

Down 3.1% over the past 4 years.

Population ranking

Donghong-dong has the largest population of the 27 neighborhoods.

Population by region

27
  • YoungestGangjeong-dong42.4 yrs
  • OldestSanghyo-dong57.5 yrs

There is a 15.1-year gap in average age between the youngest and the oldest area.

RegionPopulationShareAverage age
Donghong-dong22,42012.5%44.5 yrs
Daejeong-eup21,49212%46.8 yrs
Namwon-eup17,6799.9%52.1 yrs
Seongsan-eup14,5488.1%52.6 yrs
Pyoseon-myeon12,8207.2%48.7 yrs
Gangjeong-dong12,3926.9%42.4 yrs
Andeok-myeon12,2936.9%48.8 yrs
Seohong-dong11,3306.3%42.4 yrs
Seogwi-dong9,4815.3%52.2 yrs
Jungmun-dong7,9704.5%42.6 yrs
Seoho-dong7,1754%43.4 yrs
Beophwan-dong4,8982.7%47.3 yrs
Topyeong-dong3,8882.2%50 yrs
Hahyo-dong2,7561.5%52.2 yrs
Hogeun-dong2,7251.5%46.6 yrs
Sinhyo-dong2,4301.4%47.3 yrs
Daepo-dong2,1581.2%48.7 yrs
Bomok-dong1,9641.1%51.3 yrs
Sangye-dong1,3230.7%53.9 yrs
Hawon-dong1,3040.7%52.1 yrs
Saekdal-dong1,2620.7%46 yrs
Sanghyo-dong1,2350.7%57.5 yrs
Haye-dong1,1390.6%54 yrs
Dosun-dong8720.5%52.8 yrs
Hoesu-dong5910.3%54.5 yrs
Wolpyeong-dong5050.3%52.9 yrs
Yeongnam-dong190%56.5 yrs

The top three areas hold 34.5% of the population of Seogwipo-si, Jeju.

Other regions

Other districts in Jeju

1

Frequently asked questions❓

Seogwipo-si, Jeju has 178,669 residents as of June 2026., 1,872 fewer than a year earlier.
Donghong-dong, home to 22,420 residents — 12.5% of Seogwipo-si, Jeju.
It is 47.7 as of June 2026., 2.1 years above the national average of 45.6. Among its neighborhoods, Gangjeong-dong is youngest at 42.4 and Sanghyo-dong oldest at 57.5.
It fell 3.1% over 4 years, from 184,474 in 2022 to 178,669 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 🌐