Total population259,857people
Households127,175households
Average age48yrs
Sex ratioMale131,941peopleFemale127,916people50.8%49.2%
Population change
Change over time
4-year trendUnit: people
275,642 in 2022259,857 in 2026
Down 5.7% over the past 4 years.
Migration
As of August 2026Monthly Overview
Moved in1,642people
Moved out1,894people
Net migrationβ252people
Net migration by month
Unit: people
Net inflowNet outflow
Top origins
Unit: people
| Region | Moved in |
|---|---|
| Suncheon-si | 78 |
| Gwangyang-si | 49 |
| Buk-gu, Gwangju | 22 |
| Jeonju-si, Jeonbuk-do | 17 |
| Gwangsan-gu, Gwangju | 13 |
Top destinations
Unit: people
| Region | Moved out |
|---|---|
| Suncheon-si | 115 |
| Gwangyang-si | 71 |
| Buk-gu, Gwangju | 26 |
| Seo-gu, Gwangju | 22 |
| Pyeongtaek-si, Gyeonggi | 22 |
Outflows exceeded inflows in every one of the past 12 months, for a net loss of 3,837.
Population structure
Population by age
As of September 2026Population by age and sex
Unit: people
Male 131,941Female 127,916
Age structure
Unit: %
Youth 9.8%Working age 63.7%Seniors 26.4%
60s is the largest group, at 45,929 people.
Population ranking
Population by region
As of September 2026- YoungestHagyong-dong31.6 yrs
- OldestJeongnyang-dong79 yrs
| Region | Share | ||
|---|---|---|---|
| Ungcheon-dong | 30,134 | 11.6% | 37.2 yrs |
| Sora-myeon | 20,864 | 8% | 45.1 yrs |
| Munsu-dong | 17,971 | 6.9% | 46.6 yrs |
| Yeoseo-dong | 15,005 | 5.8% | 50.1 yrs |
| Hak-dong | 12,687 | 4.9% | 43.1 yrs |
| Dolsan-eup | 11,764 | 4.5% | 57 yrs |
| Singi-dong | 11,628 | 4.5% | 45 yrs |
| Mipyeong-dong | 10,966 | 4.2% | 47.7 yrs |
| Soho-dong | 10,500 | 4% | 41.9 yrs |
| Guk-dong | 9,543 | 3.7% | 52.8 yrs |
| Seonwon-dong | 9,284 | 3.6% | 47.4 yrs |
| Dundeok-dong | 9,080 | 3.5% | 46.6 yrs |
| Hwajang-dong | 8,927 | 3.4% | 49 yrs |
| Deokchung-dong | 8,840 | 3.4% | 45.4 yrs |
| Ansan-dong | 7,588 | 2.9% | 45.3 yrs |
| Bonggye-dong | 6,516 | 2.5% | 41 yrs |
| Sinwol-dong | 6,310 | 2.4% | 48.9 yrs |
| Yulchon-myeon | 5,997 | 2.3% | 57.2 yrs |
| Hwayang-myeon | 5,779 | 2.2% | 60.7 yrs |
| Gwangmu-dong | 3,650 | 1.4% | 53.9 yrs |
| Bongsan-dong | 3,272 | 1.3% | 58 yrs |
| Nam-myeon | 2,497 | 1% | 63.4 yrs |
| Gwanmun-dong | 2,184 | 0.8% | 51 yrs |
| Orim-dong | 2,098 | 0.8% | 53.1 yrs |
| Bonggang-dong | 2,021 | 0.8% | 55 yrs |
| Hwajeong-myeon | 1,987 | 0.8% | 65.1 yrs |
| Samsan-myeon | 1,946 | 0.7% | 59.2 yrs |
| Yeondeung-dong | 1,908 | 0.7% | 56.2 yrs |
| Goso-dong | 1,832 | 0.7% | 55.2 yrs |
| Seogyo-dong | 1,629 | 0.6% | 54.3 yrs |
| Gonghwa-dong | 1,532 | 0.6% | 57.1 yrs |
| Sijeon-dong | 1,216 | 0.5% | 43.7 yrs |
| Gyo-dong | 1,144 | 0.4% | 60.4 yrs |
| Namsan-dong | 1,102 | 0.4% | 60.7 yrs |
| Myodo-dong | 1,032 | 0.4% | 60.4 yrs |
| Sujeong-dong | 976 | 0.4% | 53.6 yrs |
| Jonghwa-dong | 966 | 0.4% | 57.7 yrs |
| Chungmu-dong | 865 | 0.3% | 63.6 yrs |
| Sangam-dong | 814 | 0.3% | 59.3 yrs |
| Dongsan-dong | 721 | 0.3% | 60.2 yrs |
| Manheung-dong | 701 | 0.3% | 58.5 yrs |
| Homyeong-dong | 593 | 0.2% | 59 yrs |
| Gyeongho-dong | 581 | 0.2% | 63 yrs |
| Jungang-dong | 536 | 0.2% | 59.9 yrs |
| Jusam-dong | 524 | 0.2% | 49.9 yrs |
| Gunja-dong | 458 | 0.2% | 62.3 yrs |
| Sindeok-dong | 422 | 0.2% | 57.9 yrs |
| Hagyong-dong | 347 | 0.1% | 31.6 yrs |
| Ocheon-dong | 342 | 0.1% | 61.5 yrs |
| Haesan-dong | 273 | 0.1% | 61.3 yrs |
| Yeocheon-dong | 221 | 0.1% | 58.6 yrs |
| Wollae-dong | 44 | 0% | 40.2 yrs |
| Jungheung-dong | 20 | 0% | 62.4 yrs |
| Wolha-dong | 8 | 0% | 60.5 yrs |
| Hwachi-dong | 6 | 0% | 55 yrs |
| Nakpo-dong | 4 | 0% | 57 yrs |
| Pyeongyeo-dong | 1 | 0% | 62 yrs |
| Jeongnyang-dong | 1 | 0% | 79 yrs |
The top three areas hold 26.5% of the population of Yeosu-si, Jeollanam-do.
Frequently asked questionsβ
Yeosu-si, Jeollanam-do has 259,857 residents as of September 2026., 4,867 fewer than a year earlier.
Ungcheon-dong, home to 30,134 residents (11.6% of Yeosu-si, Jeollanam-do).
It is 48 as of September 2026., 2.3 years above the national average of 45.7. Among its neighborhoods, Hagyong-dong is youngest at 31.6 and Jeongnyang-dong oldest at 79.
It fell 5.7% over 4 years, from 275,642 in 2022 to 259,857 in September 2026.
As of August 2026, the most people moved in from Suncheon-si (78) and the most moved out to Suncheon-si (115). Outflows exceeded inflows in every one of the past 12 months, for a net loss of 3,837.
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