Population of Ganghwa-gun, Incheon

Resident registration data, June 2026 (MOIS)

Total population69,681people
Average age55.7yrs

Population structure

Population by age

10-year bands · by sex

Population by age and sex

Unit: people

Under 1010s20s30s40s50s👑 60s70s80s90s100+1,2932,1502,3012,6023,5725,6028,3925,9932,61638461,2172,0291,7892,2033,2464,9718,3306,0583,8721,03718

Male 34,911Female 34,770

Age structure

Unit: %

Youth 6.6%Working age 52.7%Seniors 40.7%52.7%40.7%

Youth 6.6%Working age 52.7%Seniors 40.7%

60s is the largest group, at 16,722 people.

Population change

Change over time

4-year trend

Unit: people

70,033 in 202269,394 in 202368,772 in 202469,562 in 202569,681 in 202620222023202420252026

70,033 in 202269,681 in 2026

Down 0.5% over the past 4 years.

Population ranking

Ganghwa-eup has the largest population of the 13 neighborhoods.

Population by region

13
  • YoungestSeonwon-myeon50.4 yrs
  • OldestSeodo-myeon63.6 yrs

There is a 13.2-year gap in average age between the youngest and the oldest area.

RegionPopulationShareAverage age
Ganghwa-eup21,38130.7%50.8 yrs
Seonwon-myeon10,20414.6%50.4 yrs
Gilsang-myeon7,21710.4%56.7 yrs
Bureun-myeon4,9647.1%59.7 yrs
Hwado-myeon4,4846.4%59.7 yrs
Yangdo-myeon4,2006%59.9 yrs
Hajeom-myeon4,0125.8%61.1 yrs
Songhae-myeon3,1854.6%59.4 yrs
Naega-myeon2,8874.1%61.3 yrs
Gyodong-myeon2,6283.8%62.9 yrs
Samsan-myeon1,9702.8%61.8 yrs
Yangsa-myeon1,9282.8%61.2 yrs
Seodo-myeon6210.9%63.6 yrs

The top three areas hold 55.7% of the population of Ganghwa-gun, Incheon.

Other regions

Other districts in Incheon

9

Frequently asked questions❓

Ganghwa-gun, Incheon has 69,681 residents as of June 2026., 119 more than a year earlier.
Ganghwa-eup, home to 21,381 residents — 30.7% of Ganghwa-gun, Incheon.
It is 55.7 as of June 2026., 10.1 years above the national average of 45.6. Among its neighborhoods, Seonwon-myeon is youngest at 50.4 and Seodo-myeon oldest at 63.6.
It fell 0.5% over 4 years, from 70,033 in 2022 to 69,681 in June 2026.
This is resident registration data from Korea's Ministry of the Interior and Safety. Figures are as of the end of June 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 🌐