Total population1,056,589people
Households468,486households
Average age45.2yrs
Sex ratioMale513,464peopleFemale543,125people48.6%51.4%
Population change
Change over time
4-year trendUnit: people
1,077,197 in 20221,056,589 in 2026
Down 1.9% over the past 4 years.
Migration
As of August 2026Monthly Overview
Moved in8,867people
Moved out9,451people
Net migrationβ584people
Net migration by month
Unit: people
Net inflowNet outflow
Top origins
Unit: people
| Region | Moved in |
|---|---|
| Eunpyeong-gu, Seoul | 504 |
| Paju-si | 484 |
| Gangseo-gu, Seoul | 244 |
| Seodaemun-gu, Seoul | 212 |
| Gimpo-si | 199 |
Top destinations
Unit: people
| Region | Moved out |
|---|---|
| Paju-si | 1,039 |
| Eunpyeong-gu, Seoul | 287 |
| Gimpo-si | 172 |
| Seodaemun-gu, Seoul | 156 |
| Mapo-gu, Seoul | 146 |
Outflows exceeded inflows in every one of the past 12 months, for a net loss of 4,471.
Population structure
Population by age
As of September 2026Population by age and sex
Unit: people
Male 513,464Female 543,125
Age structure
Unit: %
Youth 10.1%Working age 69.8%Seniors 20.1%
50s is the largest group, at 192,809 people.
Population ranking
Population by region
As of September 2026| Region | Share | ||
|---|---|---|---|
| Deogyang-gu | 482,470 | 45.7% | 45.2 yrs |
| Ilsandong-gu | 298,091 | 28.2% | 44.9 yrs |
| Ilsanseo-gu | 276,028 | 26.1% | 45.5 yrs |
Deogyang-gu alone holds 45.7% of the population of Goyang-si, Gyeonggi.
Frequently asked questionsβ
Goyang-si, Gyeonggi has 1,056,589 residents as of September 2026., 4,786 fewer than a year earlier.
Deogyang-gu, home to 482,470 residents (45.7% of Goyang-si, Gyeonggi).
It is 45.2 as of September 2026., 0.5 years below the national average of 45.7. Among its districts, Ilsandong-gu is youngest at 44.9 and Ilsanseo-gu oldest at 45.5.
It fell 1.9% over 4 years, from 1,077,197 in 2022 to 1,056,589 in September 2026.
As of August 2026, the most people moved in from Eunpyeong-gu, Seoul (504) and the most moved out to Paju-si (1,039). Outflows exceeded inflows in every one of the past 12 months, for a net loss of 4,471.
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