Gwangmyeong Cave Entrance, Gahak-dong, Gwangmyeong-siCheolsan Station Rodeo Street, Cheolsan-dong, Gwangmyeong-siGwangmyeong Traditional Market, Gwangmyeong-dong, Gwangmyeong-siNew Core Outlet & Anteo Ecological Park, Haan-dong, Gwangmyeong-siKTX Gwangmyeong Station & IKEA, Iljik-dong, Gwangmyeong-siKia AutoLand Gwangmyeong, Soha-dong, Gwangmyeong-si
Total population303,641people
Households128,023households
Average age44.1yrs
Sex ratioMale148,631peopleFemale155,010people48.9%51.1%

Population change

Change over time

4-year trend

Unit: people

289,887 in 2022280,414 in 2023277,887 in 2024289,372 in 2025303,641 in 202620222023202420252026

289,887 in 2022303,641 in 2026

Up 4.7% over the past 4 years.

Migration

As of August 2026

Monthly Overview

Moved in2,456people
Moved out2,609people
Net migrationβˆ’153people

Net migration by month

Unit: people

4581881,3342,4913,4653,2591,47959931892βˆ’33βˆ’153SepOctNovDecJanFebMarAprMayJunJulAug458 in Sep 2025188 in Oct 20251,334 in Nov 20252,491 in Dec 20253,465 in Jan 20263,259 in Feb 20261,479 in Mar 2026599 in Apr 2026318 in May 202692 in Jun 2026βˆ’33 in Jul 2026βˆ’153 in Aug 2026

Net inflowNet outflow

Top origins

Unit: people

Top destinations

Unit: people

Inflows exceeded outflows in 10 of the past 12 months, for a net gain of 13,497.

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

Population structure

Population by age

As of September 2026

Population by age and sex

Unit: people

Under 1010s20s30s40sπŸ‘‘ 50s60s70s80s90s100+9,79114,24216,66623,24023,34825,13321,01911,2453,535401119,30713,72616,15422,32523,66626,31823,03513,1995,9271,31340

Male 148,631Female 155,010

Age structure

Unit: %

Youth 10.9%Working age 70.1%Seniors 19.0%10.9%70.1%19.0%

Youth 10.9%Working age 70.1%Seniors 19.0%

50s is the largest group, at 51,451 people.

Population ranking

Population by region

As of September 2026
  • YoungestIljik-dong38.3 yrs
  • OldestOkgil-dong58.1 yrs
RegionShare
Gwangmyeong-dong87,61228.9%45.2 yrs
Cheolsan-dong72,94524%42.1 yrs
Haan-dong65,60721.6%45.2 yrs
Soha-dong54,27017.9%45.2 yrs
Iljik-dong21,0686.9%38.3 yrs
Noonsa-dong9730.3%57.4 yrs
Gahak-dong6380.2%56.9 yrs
Okgil-dong5280.2%58.1 yrs

The top three areas hold 74.5% of the population of Gwangmyeong-si, Gyeonggi.

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

Frequently asked questions❓

Gwangmyeong-si, Gyeonggi has 303,641 residents as of September 2026., 14,269 more than a year earlier.
Gwangmyeong-dong, home to 87,612 residents (28.9% of Gwangmyeong-si, Gyeonggi).
It is 44.1 as of September 2026., 1.6 years below the national average of 45.7. Among its neighborhoods, Iljik-dong is youngest at 38.3 and Okgil-dong oldest at 58.1.
It rose 4.7% over 4 years, from 289,887 in 2022 to 303,641 in September 2026.
As of August 2026, the most people moved in from Guro-gu, Seoul (148) and the most moved out to Siheung-si (176). Inflows exceeded outflows in 10 of the past 12 months, for a net gain of 13,497.
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 🌐