Upo Wetland Reeds & Mist, Yueo-myeon, Changnyeong-gun
Total population54,173people
Households31,646households
Average age56yrs
Sex ratioMale27,268peopleFemale26,905people50.3%49.7%

Population change

Change over time

4-year trend

Unit: people

59,051 in 202257,499 in 202356,280 in 202455,083 in 202554,173 in 202620222023202420252026

59,051 in 202254,173 in 2026

Down 8.3% over the past 4 years.

Migration

As of August 2026

Monthly Overview

Moved in275people
Moved out350people
Net migrationβˆ’75people

Net migration by month

Unit: people

βˆ’6βˆ’56111339919βˆ’66βˆ’48βˆ’56βˆ’28βˆ’51βˆ’75SepOctNovDecJanFebMarAprMayJunJulAugβˆ’6 in Sep 2025βˆ’56 in Oct 202511 in Nov 2025133 in Dec 202599 in Jan 202619 in Feb 2026βˆ’66 in Mar 2026βˆ’48 in Apr 2026βˆ’56 in May 2026βˆ’28 in Jun 2026βˆ’51 in Jul 2026βˆ’75 in Aug 2026

Net inflowNet outflow

Top origins

Unit: people

Top destinations

Unit: people

Outflows exceeded inflows in 8 of the past 12 months, for a net loss of 124.

Want more detail on migration in Changnyeong-gun?See more Changnyeong-gun statistics on GData

Population structure

Population by age

As of September 2026

Population by age and sex

Unit: people

Under 1010s20s30s40s50sπŸ‘‘ 60s70s80s90s100+8701,9481,5392,0202,9734,9506,7394,4101,63218617741,7601,0291,4462,5123,9236,3164,9043,41581411

Male 27,268Female 26,905

Age structure

Unit: %

Youth 6.5%Working age 53.1%Seniors 40.4%53.1%40.4%

Youth 6.5%Working age 53.1%Seniors 40.4%

60s is the largest group, at 13,055 people.

Population ranking

Population by region

As of September 2026
  • YoungestChangnyeong-eup50.5 yrs
  • OldestYueo-myeon63.7 yrs
RegionShare
Changnyeong-eup14,88827.5%50.5 yrs
Namji-eup11,10220.5%52.1 yrs
Yeongsan-myeon4,7138.7%57.7 yrs
Daehap-myeon3,3946.3%60.7 yrs
Bugok-myeon3,2906.1%61.3 yrs
Docheon-myeon2,3814.4%60 yrs
Daeji-myeon2,2714.2%56.3 yrs
Ibang-myeon2,2494.2%58.4 yrs
Gyeseong-myeon2,0463.8%62.1 yrs
Goam-myeon1,7333.2%61.4 yrs

The top three areas hold 56.7% of the population of Changnyeong-gun, Gyeongsangnam-do.

Want to explore Changnyeong-gun's demographics in more detail?See more Changnyeong-gun statistics on GData

Frequently asked questions❓

Changnyeong-gun, Gyeongsangnam-do has 54,173 residents as of September 2026., 910 fewer than a year earlier.
Changnyeong-eup, home to 14,888 residents (27.5% of Changnyeong-gun, Gyeongsangnam-do).
It is 56 as of September 2026., 10.3 years above the national average of 45.7. Among its towns and townships, Changnyeong-eup is youngest at 50.5 and Yueo-myeon oldest at 63.7.
It fell 8.3% over 4 years, from 59,051 in 2022 to 54,173 in September 2026.
As of August 2026, the most people moved in from Changwon-si (47) and the most moved out to Changwon-si (40). Outflows exceeded inflows in 8 of the past 12 months, for a net loss of 124.
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 🌐