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Population of Sancheong-gun, Gyeongsangnam

Resident registration data, June 2026 (MOIS)

Total population32,638people
Average age58.9yrs

Population structure

Population by age

10-year bands · by sex

Population by age and sex

Unit: people

Under 1010s20s30s40s50s👑 60s70s80s90s100+3599408879021,3682,9974,4803,0371,16114523627376657231,1532,5793,9402,9972,47770423

Male 16,278Female 16,360

Age structure

Unit: %

Youth 4.8%Working age 50.0%Seniors 45.2%50.0%45.2%

Youth 4.8%Working age 50.0%Seniors 45.2%

60s is the largest group, at 8,420 people.

Population change

Change over time

4-year trend

Unit: people

34,194 in 202234,114 in 202333,514 in 202433,086 in 202532,638 in 202620222023202420252026

34,194 in 202232,638 in 2026

Down 4.6% over the past 4 years.

Population ranking

Sancheong-eup has the largest population of the 11 neighborhoods.

Population by region

11
  • YoungestSancheong-eup53.1 yrs
  • OldestObu-myeon64.5 yrs

There is a 11.4-year gap in average age between the youngest and the oldest area.

RegionPopulationShareAverage age
Sancheong-eup6,41419.7%53.1 yrs
Danseong-myeon5,43016.6%61 yrs
Sinan-myeon5,40716.6%54.3 yrs
Sicheon-myeon3,84011.8%59.9 yrs
Geumseo-myeon2,7928.6%60.3 yrs
Sindeung-myeon1,8815.8%63.7 yrs
Saengcho-myeon1,8015.5%63.9 yrs
Samjang-myeon1,7285.3%63 yrs
Chahwang-myeon1,3044%63.9 yrs
Saengbiryang-myeon1,0963.4%63.9 yrs
Obu-myeon9452.9%64.5 yrs

The top three areas hold 52.9% of the population of Sancheong-gun, Gyeongsangnam.

Other regions

Other districts in Gyeongsangnam

16

Frequently asked questions❓

Sancheong-gun, Gyeongsangnam has 32,638 residents as of June 2026., 448 fewer than a year earlier.
Sancheong-eup, home to 6,414 residents — 19.7% of Sancheong-gun, Gyeongsangnam.
It is 58.9 as of June 2026., 13.3 years above the national average of 45.6. Among its neighborhoods, Sancheong-eup is youngest at 53.1 and Obu-myeon oldest at 64.5.
It fell 4.6% over 4 years, from 34,194 in 2022 to 32,638 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 🌐