Total population727,158people
Households309,549households
Average age44.6yrs
Sex ratioMale358,974peopleFemale368,184people49.4%50.6%
Population change
Change over time
4-year trendUnit: people
737,059 in 2022727,158 in 2026
Down 1.3% over the past 4 years.
Migration
As of August 2026Monthly Overview
Moved in5,159people
Moved out5,327people
Net migrationβ168people
Net migration by month
Unit: people
Net inflowNet outflow
Top origins
Unit: people
| Region | Moved in |
|---|---|
| Guri-si | 312 |
| Gangdong-gu, Seoul | 255 |
| Nowon-gu, Seoul | 228 |
| Jungnang-gu, Seoul | 176 |
| Songpa-gu, Seoul | 175 |
Top destinations
Unit: people
| Region | Moved out |
|---|---|
| Guri-si | 253 |
| Uijeongbu-si | 162 |
| Jungnang-gu, Seoul | 148 |
| Gangdong-gu, Seoul | 147 |
| Nowon-gu, Seoul | 141 |
Outflows exceeded inflows in 10 of the past 12 months, for a net loss of 2,405.
Population structure
Population by age
As of September 2026Population by age and sex
Unit: people
Male 358,974Female 368,184
Age structure
Unit: %
Youth 11.5%Working age 68.5%Seniors 20.0%
50s is the largest group, at 130,306 people.
Population ranking
Population by region
As of September 2026- YoungestDasan-dong40.1 yrs
- OldestJigeum-dong62 yrs
| Region | Share | ||
|---|---|---|---|
| Dasan-dong | 141,766 | 19.5% | 40.1 yrs |
| Hwado-eup | 111,710 | 15.4% | 45.7 yrs |
| Jinjeop-eup | 94,337 | 13% | 45.1 yrs |
| Byeollae-dong | 83,011 | 11.4% | 42.5 yrs |
| Wabu-eup | 59,418 | 8.2% | 46.5 yrs |
| Hopyeong-dong | 55,204 | 7.6% | 42.9 yrs |
| Onam-eup | 50,232 | 6.9% | 46.2 yrs |
| Pyeongnae-dong | 37,179 | 5.1% | 43.1 yrs |
| Toegyewon-eup | 25,993 | 3.6% | 49.1 yrs |
| Jingeon-eup | 19,316 | 2.7% | 51.2 yrs |
| Byeollae-myeon | 17,681 | 2.4% | 49.9 yrs |
| Geumgok-dong | 16,760 | 2.3% | 52.9 yrs |
| Sudong-myeon | 8,465 | 1.2% | 56.3 yrs |
| Joan-myeon | 3,637 | 0.5% | 54.6 yrs |
| Ilpae-dong | 879 | 0.1% | 57.2 yrs |
| Ipae-dong | 801 | 0.1% | 43.9 yrs |
| Sampae-dong | 392 | 0.1% | 56.9 yrs |
| Suseok-dong | 372 | 0.1% | 53.7 yrs |
| Jigeum-dong | 3 | 0% | 62 yrs |
| Donong-dong | 2 | 0% | 52.5 yrs |
The top three areas hold 47.8% of the population of Namyangju-si, Gyeonggi.
Want to explore Namyangju-si's demographics in more detail?See more Namyangju-si statistics on GData
Frequently asked questionsβ
Namyangju-si, Gyeonggi has 727,158 residents as of September 2026., 3,421 fewer than a year earlier.
Dasan-dong, home to 141,766 residents (19.5% of Namyangju-si, Gyeonggi).
It is 44.6 as of September 2026., 1.1 years below the national average of 45.7. Among its neighborhoods, Dasan-dong is youngest at 40.1 and Jigeum-dong oldest at 62.
It fell 1.3% over 4 years, from 737,059 in 2022 to 727,158 in September 2026.
As of August 2026, the most people moved in from Guri-si (312) and the most moved out to Guri-si (253). Outflows exceeded inflows in 10 of the past 12 months, for a net loss of 2,405.
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