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Population of Namhae-gun, Gyeongsangnam

Resident registration data, June 2026 (MOIS)

Total population41,143people
Average age57.3yrs

Population structure

Population by age

10-year bands · by sex

Population by age and sex

Unit: people

Under 1010s20s30s40s50s👑 60s70s80s90s100+4911,6171,3751,2671,8163,5984,8233,3961,53720344991,2849429331,7173,0464,5683,9453,0371,00934

Male 20,127Female 21,016

Age structure

Unit: %

Youth 5.9%Working age 50.7%Seniors 43.4%50.7%43.4%

Youth 5.9%Working age 50.7%Seniors 43.4%

60s is the largest group, at 9,391 people.

Population change

Change over time

4-year trend

Unit: people

42,071 in 202241,243 in 202340,303 in 202439,431 in 202541,143 in 202620222023202420252026

42,071 in 202241,143 in 2026

Down 2.2% over the past 4 years.

Population ranking

Namhae-eup has the largest population of the 10 neighborhoods.

Population by region

10
  • YoungestNamhae-eup49.3 yrs
  • OldestSeolcheon-myeon64.3 yrs

There is a 15.0-year gap in average age between the youngest and the oldest area.

RegionPopulationShareAverage age
Namhae-eup12,70630.9%49.3 yrs
Changseon-myeon5,55113.5%60.8 yrs
Samdong-myeon3,8069.3%60.4 yrs
Idong-myeon3,5238.6%61.8 yrs
Nam-myeon3,4018.3%60.3 yrs
Gohyeon-myeon3,2287.8%61.8 yrs
Seolcheon-myeon2,6476.4%64.3 yrs
Seo-myeon2,5956.3%61.2 yrs
Mijo-myeon2,1065.1%57.4 yrs
Sangju-myeon1,5803.8%58.5 yrs

The top three areas hold 53.6% of the population of Namhae-gun, Gyeongsangnam.

Other regions

Other districts in Gyeongsangnam

16

Frequently asked questions❓

Namhae-gun, Gyeongsangnam has 41,143 residents as of June 2026., 1,712 more than a year earlier.
Namhae-eup, home to 12,706 residents — 30.9% of Namhae-gun, Gyeongsangnam.
It is 57.3 as of June 2026., 11.7 years above the national average of 45.6. Among its neighborhoods, Namhae-eup is youngest at 49.3 and Seolcheon-myeon oldest at 64.3.
It fell 2.2% over 4 years, from 42,071 in 2022 to 41,143 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 🌐