Total population69,541people
Households36,329households
Average age55.8yrs
Sex ratioMale34,849peopleFemale34,692people50.1%49.9%
Population change
Change over time
4-year trendUnit: people
70,014 in 202269,541 in 2026
Down 0.7% over the past 4 years.
Migration
As of August 2026Monthly Overview
Moved in526people
Moved out487people
Net migration39people
Net migration by month
Unit: people
Net inflowNet outflow
Top origins
Unit: people
| Region | Moved in |
|---|---|
| Gimpo-si, Gyeonggi | 43 |
| Namdong-gu | 24 |
| Michuhol-gu | 17 |
| Yeonsu-gu | 17 |
| Goyang-si, Gyeonggi | 17 |
Top destinations
Unit: people
| Region | Moved out |
|---|---|
| Gimpo-si, Gyeonggi | 41 |
| Namdong-gu | 22 |
| Michuhol-gu | 20 |
| Gangseo-gu, Seoul | 13 |
| Goyang-si, Gyeonggi | 13 |
Inflows exceeded outflows in 11 of the past 12 months, for a net gain of 640.
Population structure
Population by age
As of September 2026Population by age and sex
Unit: people
Male 34,849Female 34,692
Age structure
Unit: %
Youth 6.6%Working age 52.6%Seniors 40.9%
60s is the largest group, at 16,737 people.
Population ranking
Population by region
As of September 2026- YoungestSeonwon-myeon50.5 yrs
- OldestSeodo-myeon64 yrs
| Region | Share | ||
|---|---|---|---|
| Ganghwa-eup | 21,361 | 30.7% | 50.9 yrs |
| Seonwon-myeon | 10,199 | 14.7% | 50.5 yrs |
| Gilsang-myeon | 7,193 | 10.3% | 56.8 yrs |
| Bureun-myeon | 4,972 | 7.1% | 59.8 yrs |
| Hwado-myeon | 4,478 | 6.4% | 59.9 yrs |
| Yangdo-myeon | 4,179 | 6% | 60.1 yrs |
| Hajeom-myeon | 4,002 | 5.8% | 61.2 yrs |
| Songhae-myeon | 3,173 | 4.6% | 59.6 yrs |
| Naega-myeon | 2,895 | 4.2% | 61.3 yrs |
| Gyodong-myeon | 2,612 | 3.8% | 63.1 yrs |
| Samsan-myeon | 1,955 | 2.8% | 61.9 yrs |
| Yangsa-myeon | 1,910 | 2.7% | 61.1 yrs |
| Seodo-myeon | 612 | 0.9% | 64 yrs |
The top three areas hold 55.7% of the population of Ganghwa-gun, Incheon.
Frequently asked questionsβ
Ganghwa-gun, Incheon has 69,541 residents as of September 2026., 95 fewer than a year earlier.
Ganghwa-eup, home to 21,361 residents (30.7% of Ganghwa-gun, Incheon).
It is 55.8 as of September 2026., 10.1 years above the national average of 45.7. Among its towns and townships, Seonwon-myeon is youngest at 50.5 and Seodo-myeon oldest at 64.
It fell 0.7% over 4 years, from 70,014 in 2022 to 69,541 in September 2026.
As of August 2026, the most people moved in from Gimpo-si, Gyeonggi (43) and the most moved out to Gimpo-si, Gyeonggi (41). Inflows exceeded outflows in 11 of the past 12 months, for a net gain of 640.
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