Total population288,583people
Households132,761households
Average age44.3yrs
Sex ratioMale147,919peopleFemale140,664people51.3%48.7%
Population change
Change over time
4-year trendUnit: people
262,597 in 2022288,583 in 2026
Up 9.9% over the past 4 years.
Population structure
Population by age
As of September 2026Population by age and sex
Unit: people
Male 147,919Female 140,664
Age structure
Unit: %
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
| Region | Share | ||
|---|---|---|---|
| Gorim-dong | 35,963 | 12.5% | 39.2 yrs |
| Mohyeon-eup | 34,746 | 12% | 44.5 yrs |
| Yeokbuk-dong | 34,595 | 12% | 39.9 yrs |
| Pogok-eup | 31,016 | 10.7% | 45.8 yrs |
| Namsa-eup | 23,431 | 8.1% | 43.3 yrs |
| Yangji-eup | 22,482 | 7.8% | 44.9 yrs |
| Gimnyangjang-dong | 21,659 | 7.5% | 44.5 yrs |
| Idong-eup | 18,541 | 6.4% | 49.2 yrs |
| Yubang-dong | 16,572 | 5.7% | 44.7 yrs |
| Samga-dong | 16,386 | 5.7% | 44 yrs |
| Mapyeong-dong | 10,270 | 3.6% | 48.7 yrs |
| Wonsam-myeon | 8,068 | 2.8% | 51.5 yrs |
| Baegam-myeon | 7,871 | 2.7% | 54.4 yrs |
| Nam-dong | 4,967 | 1.7% | 45.9 yrs |
| Unhak-dong | 1,186 | 0.4% | 52.4 yrs |
| Ho-dong | 629 | 0.2% | 53.3 yrs |
| Haegok-dong | 201 | 0.1% | 56.7 yrs |
The top three areas hold 36.5% of the population of Cheoin-gu, Yongin-si.
Frequently asked questionsβ
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 π
- Resident registration data, Ministry of the Interior and SafetyKOGL Type 1 Β· as of September 2026 Β· updated monthly






