Total population649,212people
Households289,460households
Average age43.8yrs
Sex ratioMale310,414peopleFemale338,798people47.8%52.2%
Population change
Change over time
4-year trendUnit: people
662,599 in 2022649,212 in 2026
Down 2% over the past 4 years.
Migration
As of August 2026Monthly Overview
Moved in7,360people
Moved out7,938people
Net migrationβ578people
Net migration by month
Unit: people
Net inflowNet outflow
Top origins
Unit: people
| Region | Moved in |
|---|---|
| Gangnam-gu | 466 |
| Gangdong-gu | 439 |
| Seongnam-si, Gyeonggi | 312 |
| Hanam-si, Gyeonggi | 225 |
| Gwanak-gu | 149 |
Top destinations
Unit: people
| Region | Moved out |
|---|---|
| Gangdong-gu | 509 |
| Gangnam-gu | 419 |
| Seocho-gu | 358 |
| Hanam-si, Gyeonggi | 328 |
| Seongnam-si, Gyeonggi | 304 |
Outflows led in 8 of the past 12 months, but a few large inflow months left a net gain of 1,926.
Population structure
Population by age
As of September 2026Population by age and sex
Unit: people
Male 310,414Female 338,798
Age structure
Unit: %
Youth 10.5%Working age 70.5%Seniors 19.0%
30s is the largest group, at 106,548 people.
Population ranking
Population by region
As of September 2026- YoungestJangji-dong40.6 yrs
- OldestMacheon-dong50.8 yrs
| Region | Share | ||
|---|---|---|---|
| Jamsil-dong | 103,914 | 16% | 42.8 yrs |
| Garak-dong | 79,524 | 12.2% | 43.1 yrs |
| Munjeong-dong | 64,178 | 9.9% | 43.3 yrs |
| Bangi-dong | 58,440 | 9% | 43.7 yrs |
| Geoyeo-dong | 52,187 | 8% | 43.7 yrs |
| Sincheon-dong | 49,084 | 7.6% | 42.2 yrs |
| Jangji-dong | 41,924 | 6.5% | 40.6 yrs |
| Songpa-dong | 39,706 | 6.1% | 43.6 yrs |
| Ogeum-dong | 36,909 | 5.7% | 46.2 yrs |
| Pungnap-dong | 33,534 | 5.2% | 46 yrs |
| Macheon-dong | 31,818 | 4.9% | 50.8 yrs |
| Seokchon-dong | 29,892 | 4.6% | 44.5 yrs |
| Samjeon-dong | 28,102 | 4.3% | 44 yrs |
The top three areas hold 38.1% of the population of Songpa-gu, Seoul.
Frequently asked questionsβ
Songpa-gu, Seoul has 649,212 residents as of September 2026., 3,259 more than a year earlier.
Jamsil-dong, home to 103,914 residents (16.0% of Songpa-gu, Seoul).
It is 43.8 as of September 2026., 1.9 years below the national average of 45.7. Among its neighborhoods, Jangji-dong is youngest at 40.6 and Macheon-dong oldest at 50.8.
It fell 2% over 4 years, from 662,599 in 2022 to 649,212 in September 2026.
As of August 2026, the most people moved in from Gangnam-gu (466) and the most moved out to Gangdong-gu (509). Outflows led in 8 of the past 12 months, but a few large inflow months left a net gain of 1,926.
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