Everland Amusement Park, Pogok-eup, Cheoin-guYongin Central Market & Cheoin-gu Office, Gimnyangjang-dong, Cheoin-guIdong Reservoir, Idong-eup, Cheoin-guHUFS Global Campus, Mohyeon-eup, Cheoin-guNamsa Hansoop City Complex, Namsa-eup, Cheoin-guYongin City Hall & Yongin Mireu Stadium, Samga-dong, Cheoin-guMyongji Univ. Station & Natural Science Campus, Yeokbuk-dong, Cheoin-gu
Total population288,583people
Households132,761households
Average age44.3yrs
Sex ratioMale147,919peopleFemale140,664people51.3%48.7%

Population change

Change over time

4-year trend

Unit: people

262,597 in 2022263,923 in 2023270,529 in 2024284,229 in 2025288,583 in 202620222023202420252026

262,597 in 2022288,583 in 2026

Up 9.9% over the past 4 years.

Population structure

Population by age

As of September 2026

Population by age and sex

Unit: people

Under 1010s20s30s40sπŸ‘‘ 50s60s70s80s90s100+8,87815,03917,75420,38123,09825,58822,04410,8353,81548258,57314,02714,53517,33420,94824,23521,46011,9846,1461,39131

Male 147,919Female 140,664

Age structure

Unit: %

Youth 11.1%Working age 69.4%Seniors 19.6%11.1%69.4%19.6%

Youth 11.1%Working age 69.4%Seniors 19.6%

50s is the largest group, at 49,823 people.

Population ranking

Population by region

As of September 2026
  • YoungestGorim-dong39.2 yrs
  • OldestHaegok-dong56.7 yrs
RegionShare
Gorim-dong35,96312.5%39.2 yrs
Mohyeon-eup34,74612%44.5 yrs
Yeokbuk-dong34,59512%39.9 yrs
Pogok-eup31,01610.7%45.8 yrs
Namsa-eup23,4318.1%43.3 yrs
Yangji-eup22,4827.8%44.9 yrs
Gimnyangjang-dong21,6597.5%44.5 yrs
Idong-eup18,5416.4%49.2 yrs
Yubang-dong16,5725.7%44.7 yrs
Samga-dong16,3865.7%44 yrs

The top three areas hold 36.5% of the population of Cheoin-gu, Yongin-si.

Frequently asked questions❓

Cheoin-gu, Yongin-si has 288,583 residents as of September 2026., 4,354 more than a year earlier.
Gorim-dong, home to 35,963 residents (12.5% of Cheoin-gu, Yongin-si).
It is 44.3 as of September 2026., 1.4 years below the national average of 45.7. Among its neighborhoods, Gorim-dong is youngest at 39.2 and Haegok-dong oldest at 56.7.
It rose 9.9% over 4 years, from 262,597 in 2022 to 288,583 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 🌐