Windy Hill Windmill & Sea, Nambu-myeon, Geoje-siOkpo Shipyard Cranes & Ships, Okpo-dong, Geoje-siSamsung Heavy Industries Goliath Crane, Jangpyeong-dong, Geoje-si
Total population228,774people
Households107,505households
Average age44.5yrs
Sex ratioMale120,356peopleFemale108,418people52.6%47.4%

Population change

Change over time

4-year trend

Unit: people

237,774 in 2022234,467 in 2023232,938 in 2024231,439 in 2025228,774 in 202620222023202420252026

237,774 in 2022228,774 in 2026

Down 3.8% over the past 4 years.

Migration

As of August 2026

Monthly Overview

Moved in1,623people
Moved out1,716people
Net migrationβˆ’93people

Net migration by month

Unit: people

βˆ’894847βˆ’117βˆ’237βˆ’717βˆ’450βˆ’56βˆ’235βˆ’159βˆ’116βˆ’93SepOctNovDecJanFebMarAprMayJunJulAugβˆ’89 in Sep 202548 in Oct 202547 in Nov 2025βˆ’117 in Dec 2025βˆ’237 in Jan 2026βˆ’717 in Feb 2026βˆ’450 in Mar 2026βˆ’56 in Apr 2026βˆ’235 in May 2026βˆ’159 in Jun 2026βˆ’116 in Jul 2026βˆ’93 in Aug 2026

Net inflowNet outflow

Top origins

Unit: people

Top destinations

Unit: people

Outflows exceeded inflows in 10 of the past 12 months, for a net loss of 2,174.

Want more detail on migration in Geoje-si?See more Geoje-si statistics on GData

Population structure

Population by age

As of September 2026

Population by age and sex

Unit: people

Under 1010s20s30s40sπŸ‘‘ 50s60s70s80s90s100+6,84214,89910,31511,66123,31624,68817,8618,4352,11622036,33213,7527,36410,16420,27520,71716,5138,5623,79392323

Male 120,356Female 108,418

Age structure

Unit: %

Youth 12.0%Working age 69.9%Seniors 18.0%12.0%69.9%18.0%

Youth 12.0%Working age 69.9%Seniors 18.0%

50s is the largest group, at 45,405 people.

Population ranking

Population by region

As of September 2026
  • YoungestSangdong-dong37.2 yrs
  • OldestNambu-myeon62.5 yrs
RegionShare
Gohyeon-dong35,61015.6%43.1 yrs
Okpo-dong28,52512.5%45.9 yrs
Sangdong-dong28,13912.3%37.2 yrs
Aju-dong24,54610.7%37.6 yrs
Jangpyeong-dong19,0188.3%43.7 yrs
Yangjeong-dong13,9586.1%39 yrs
Sadeung-myeon11,5645.1%48.6 yrs
Yeoncho-myeon9,3274.1%49.8 yrs
Suwol-dong8,1243.6%39.5 yrs
Neungpo-dong7,9993.5%51.5 yrs

The top three areas hold 40.3% of the population of Geoje-si, Gyeongsangnam-do.

Want to explore Geoje-si's demographics in more detail?See more Geoje-si statistics on GData

Frequently asked questions❓

Geoje-si, Gyeongsangnam-do has 228,774 residents as of September 2026., 2,665 fewer than a year earlier.
Gohyeon-dong, home to 35,610 residents (15.6% of Geoje-si, Gyeongsangnam-do).
It is 44.5 as of September 2026., 1.2 years below the national average of 45.7. Among its neighborhoods, Sangdong-dong is youngest at 37.2 and Nambu-myeon oldest at 62.5.
It fell 3.8% over 4 years, from 237,774 in 2022 to 228,774 in September 2026.
As of August 2026, the most people moved in from Changwon-si (65) and the most moved out to Changwon-si (63). Outflows exceeded inflows in 10 of the past 12 months, for a net loss of 2,174.
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 🌐