Total population1,185,677people
Households546,407households
Average age42.7yrs
Sex ratioMale594,853peopleFemale590,824people50.2%49.8%
Population change
Change over time
4-year trendUnit: people
1,186,961 in 20221,185,677 in 2026
Barely changed over the past 4 years.
Migration
As of August 2026Monthly Overview
Moved in13,306people
Moved out13,143people
Net migration163people
Net migration by month
Unit: people
Net inflowNet outflow
Top origins
Unit: people
| Region | Moved in |
|---|---|
| Hwaseong-si | 990 |
| Yongin-si | 951 |
| Seongnam-si | 320 |
| Pyeongtaek-si | 219 |
| Anyang-si | 208 |
Top destinations
Unit: people
| Region | Moved out |
|---|---|
| Hwaseong-si | 1,197 |
| Yongin-si | 830 |
| Pyeongtaek-si | 303 |
| Osan-si | 270 |
| Seongnam-si | 241 |
Outflows exceeded inflows in 11 of the past 12 months, for a net loss of 6,121.
Population structure
Population by age
As of September 2026Population by age and sex
Unit: people
Male 594,853Female 590,824
Age structure
Unit: %
Youth 10.6%Working age 72.9%Seniors 16.5%
50s is the largest group, at 199,349 people.
Population ranking
Population by region
As of September 2026| Region | Share | ||
|---|---|---|---|
| Yeongtong-gu | 361,883 | 30.5% | 39.5 yrs |
| Gwonseon-gu | 360,795 | 30.4% | 43.6 yrs |
| Jangan-gu | 269,717 | 22.7% | 44.6 yrs |
| Paldal-gu | 193,282 | 16.3% | 44.5 yrs |
The top three areas hold 83.7% of the population of Suwon-si, Gyeonggi.
Frequently asked questionsβ
Suwon-si, Gyeonggi has 1,185,677 residents as of September 2026., 3,810 fewer than a year earlier.
Yeongtong-gu, home to 361,883 residents (30.5% of Suwon-si, Gyeonggi).
It is 42.7 as of September 2026., 3 years below the national average of 45.7. Among its districts, Yeongtong-gu is youngest at 39.5 and Jangan-gu oldest at 44.6.
It fell 0.1% over 4 years, from 1,186,961 in 2022 to 1,185,677 in September 2026.
As of August 2026, the most people moved in from Hwaseong-si (990) and the most moved out to Hwaseong-si (1,197). Outflows exceeded inflows in 11 of the past 12 months, for a net loss of 6,121.
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
- Internal Migration Statistics, Statistics Korea (KOSIS)KOGL Type 1 Β· as of August 2026 Β· updated monthly