Total population410,369people
Households169,578households
Average age41.6yrs
Sex ratioMale202,990peopleFemale207,379people49.5%50.5%
Population change
Change over time
4-year trendUnit: people
386,257 in 2022410,369 in 2026
Up 6.2% over the past 4 years.
Migration
As of August 2026Monthly Overview
Moved in3,785people
Moved out3,821people
Net migrationβ36people
Net migration by month
Unit: people
Net inflowNet outflow
Top origins
Unit: people
| Region | Moved in |
|---|---|
| Namdong-gu | 320 |
| Michuhol-gu | 225 |
| Bupyeong-gu | 100 |
| Yongin-si, Gyeonggi | 83 |
| Siheung-si, Gyeonggi | 78 |
Top destinations
Unit: people
| Region | Moved out |
|---|---|
| Michuhol-gu | 264 |
| Namdong-gu | 228 |
| Bupyeong-gu | 83 |
| Siheung-si, Gyeonggi | 77 |
| Bucheon-si, Gyeonggi | 65 |
Net migration varied across the past 12 months, totaling +2,817.
Population structure
Population by age
As of September 2026Population by age and sex
Unit: people
Male 202,990Female 207,379
Age structure
Unit: %
Youth 13.6%Working age 71.1%Seniors 15.3%
40s is the largest group, at 71,121 people.
Population ranking
Population by region
As of September 2026- YoungestSongdo-dong37.4 yrs
- OldestCheonghak-dong50.3 yrs
| Region | Share | ||
|---|---|---|---|
| Songdo-dong | 226,691 | 55.2% | 37.4 yrs |
| Dongchun-dong | 58,812 | 14.3% | 43.7 yrs |
| Yeonsu-dong | 49,183 | 12% | 48.1 yrs |
| Ongnyeon-dong | 36,689 | 8.9% | 46.7 yrs |
| Cheonghak-dong | 21,590 | 5.3% | 50.3 yrs |
| Seonhak-dong | 17,404 | 4.2% | 48.5 yrs |
The top three areas hold 81.6% of the population of Yeonsu-gu, Incheon.
Frequently asked questionsβ
Yeonsu-gu, Incheon has 410,369 residents as of September 2026., 4,020 more than a year earlier.
Songdo-dong, home to 226,691 residents (55.2% of Yeonsu-gu, Incheon).
It is 41.6 as of September 2026., 4.1 years below the national average of 45.7. Among its neighborhoods, Songdo-dong is youngest at 37.4 and Cheonghak-dong oldest at 50.3.
It rose 6.2% over 4 years, from 386,257 in 2022 to 410,369 in September 2026.
As of August 2026, the most people moved in from Namdong-gu (320) and the most moved out to Michuhol-gu (264). Net migration varied across the past 12 months, totaling +2,817.
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