Total population269,717people
Households123,169households
Average age44.6yrs
Sex ratioMale135,244peopleFemale134,473people50.1%49.9%
Population change
Change over time
4-year trendUnit: people
272,638 in 2022269,717 in 2026
Down 1.1% over the past 4 years.
Population structure
Population by age
As of September 2026Population by age and sex
Unit: people
Male 135,244Female 134,473
Age structure
Unit: %
Youth 9.5%Working age 71.0%Seniors 19.5%
50s is the largest group, at 48,784 people.
Population ranking
Population by region
As of September 2026- YoungestCheoncheon-dong40.1 yrs
- OldestSanggwanggyo-dong59.5 yrs
| Region | Share | ||
|---|---|---|---|
| Jeongja-dong | 93,335 | 34.6% | 42.4 yrs |
| Jowon-dong | 44,072 | 16.3% | 47.1 yrs |
| Cheoncheon-dong | 28,844 | 10.7% | 40.1 yrs |
| Yuljeon-dong | 26,534 | 9.8% | 42.8 yrs |
| Pajang-dong | 18,440 | 6.8% | 47.7 yrs |
| Songjuk-dong | 17,877 | 6.6% | 47.2 yrs |
| Yeonghwa-dong | 17,605 | 6.5% | 51.5 yrs |
| Yeonmu-dong | 16,228 | 6% | 47.8 yrs |
| Imok-dong | 6,111 | 2.3% | 43.3 yrs |
| Hagwanggyo-dong | 473 | 0.2% | 57.8 yrs |
| Sanggwanggyo-dong | 198 | 0.1% | 59.5 yrs |
The top three areas hold 61.6% of the population of Jangan-gu, Suwon-si.
Frequently asked questionsβ
Jangan-gu, Suwon-si has 269,717 residents as of September 2026., 2,257 fewer than a year earlier.
Jeongja-dong, home to 93,335 residents (34.6% of Jangan-gu, Suwon-si).
It is 44.6 as of September 2026., 1.1 years below the national average of 45.7. Among its neighborhoods, Cheoncheon-dong is youngest at 40.1 and Sanggwanggyo-dong oldest at 59.5.
It fell 1.1% over 4 years, from 272,638 in 2022 to 269,717 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