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Masan Station Plaza, Seokjeon-dong, Masanhoewon-gu

Population of Masanhoewon-gu, Changwon-si

As of September 2026

Total population173,677people
Households82,780households
Average age48.2yrs
Sex ratioMale86,370peopleFemale87,307people49.7%50.3%

Population change

Change over time

4-year trend

Unit: people

184,579 in 2022181,586 in 2023178,816 in 2024177,975 in 2025173,677 in 202620222023202420252026

184,579 in 2022173,677 in 2026

Down 5.9% over the past 4 years.

Population structure

Population by age

As of September 2026

Population by age and sex

Unit: people

Under 1010s20s30s40s50sπŸ‘‘ 60s70s80s90s100+4,1258,2468,3509,59412,69415,72415,1699,2982,95221623,9307,5566,7698,28411,89915,63316,58311,3374,51379210

Male 86,370Female 87,307

Age structure

Unit: %

Youth 9.2%Working age 64.9%Seniors 25.9%9.2%64.9%25.9%

Youth 9.2%Working age 64.9%Seniors 25.9%

60s is the largest group, at 31,752 people.

Population ranking

Population by region

As of September 2026
  • YoungestYangdeok-dong44.8 yrs
  • OldestDucheok-dong63.3 yrs
RegionShare
Naeseo-eup56,76132.7%46.6 yrs
Yangdeok-dong43,56425.1%44.8 yrs
Hoewon-dong18,15510.5%52.4 yrs
Hapseong-dong16,5379.5%49.5 yrs
Guam-dong16,0399.2%51.9 yrs
Seokjeon-dong15,1348.7%50.1 yrs
Hoeseong-dong4,4952.6%56.5 yrs
Bongam-dong2,6041.5%53 yrs
Ducheok-dong3880.2%63.3 yrs

The top three areas hold 68.2% of the population of Masanhoewon-gu, Changwon-si.

Frequently asked questions❓

Masanhoewon-gu, Changwon-si has 173,677 residents as of September 2026., 4,298 fewer than a year earlier.
Naeseo-eup, home to 56,761 residents (32.7% of Masanhoewon-gu, Changwon-si).
It is 48.2 as of September 2026., 2.5 years above the national average of 45.7. Among its neighborhoods, Yangdeok-dong is youngest at 44.8 and Ducheok-dong oldest at 63.3.
It fell 5.9% over 4 years, from 184,579 in 2022 to 173,677 in September 2026.
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 🌐