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Population of Sacheon-si, Gyeongsangnam

Resident registration data, June 2026 (MOIS)

Total population107,882people
Average age49yrs

Population structure

Population by age

10-year bands · by sex

Population by age and sex

Unit: people

Under 1010s20s30s40s👑 50s60s70s80s90s100+2,6675,1915,2605,9737,82910,3479,3245,8212,16224902,4864,7793,5044,4447,2109,1069,2726,9044,34798819

Male 54,823Female 53,059

Age structure

Unit: %

Youth 9.4%Working age 63.0%Seniors 27.6%9.4%63.0%27.6%

Youth 9.4%Working age 63.0%Seniors 27.6%

50s is the largest group, at 19,453 people.

Population change

Change over time

4-year trend

Unit: people

109,520 in 2022108,973 in 2023108,865 in 2024108,036 in 2025107,882 in 202620222023202420252026

109,520 in 2022107,882 in 2026

Down 1.5% over the past 4 years.

Population ranking

Sanam-myeon has the largest population of the 35 neighborhoods.

Population by region

35
  • YoungestSanam-myeon40.3 yrs
  • OldestDaepo-dong65.6 yrs

There is a 25.3-year gap in average age between the youngest and the oldest area.

RegionPopulationShareAverage age
Sanam-myeon18,25216.9%40.3 yrs
Sacheon-eup16,50515.3%46.2 yrs
Jeongdong-myeon13,30412.3%43.2 yrs
Yonghyeon-myeon8,6518%48.7 yrs
Beolli-dong7,0986.6%53.1 yrs
Yonggang-dong6,7636.3%46.8 yrs
Donggeum-dong6,3325.9%49.2 yrs
Hyangchon-dong4,9074.5%50.1 yrs
Seopo-myeon3,1352.9%62 yrs
Gonyang-myeon2,9552.7%61.7 yrs
Gonmyeong-myeon2,5792.4%62.8 yrs
Seongu-dong2,4712.3%58.1 yrs
Jungnim-dong2,2492.1%50.6 yrs
Seo-dong1,7451.6%60.8 yrs
Dongnim-dong1,5131.4%52.2 yrs
Dong-dong1,4741.4%62.8 yrs
Chukdong-myeon1,4511.3%61.3 yrs
Songpo-dong1,2861.2%60.1 yrs
Daebang-dong1,0331%56 yrs
Bongnam-dong5410.5%57.5 yrs
Igeum-dong4680.4%48 yrs
Jwaryong-dong4230.4%53.2 yrs
Siran-dong3980.4%63.5 yrs
Noryong-dong3260.3%61.7 yrs
Ihol-dong2880.3%62 yrs
Sinbyeok-dong2820.3%62.9 yrs
Daepo-dong2620.2%65.6 yrs
Seogeum-dong2240.2%57.1 yrs
Sinsu-dong2090.2%65 yrs
Neukdo-dong1730.2%64.5 yrs
Gungji-dong1540.1%62.1 yrs
Baekcheon-dong1430.1%65.2 yrs
Waryong-dong1300.1%59.6 yrs
Mado-dong990.1%62.8 yrs
Sadeung-dong590.1%62.1 yrs

The top three areas hold 44.5% of the population of Sacheon-si, Gyeongsangnam.

Other regions

Other districts in Gyeongsangnam

16

Frequently asked questions❓

Sacheon-si, Gyeongsangnam has 107,882 residents as of June 2026., 154 fewer than a year earlier.
Sanam-myeon, home to 18,252 residents — 16.9% of Sacheon-si, Gyeongsangnam.
It is 49 as of June 2026., 3.4 years above the national average of 45.6. Among its neighborhoods, Sanam-myeon is youngest at 40.3 and Daepo-dong oldest at 65.6.
It fell 1.5% over 4 years, from 109,520 in 2022 to 107,882 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 🌐