Population of Gimpo-si, Gyeonggi

Resident registration data, June 2026 (MOIS)

Total population484,042people
Average age42.8yrs

Population structure

Population by age

10-year bands · by sex

Population by age and sex

Unit: people

Under 1010s20s30s👑 40s50s60s70s80s90s100+18,58028,76623,08330,83445,53939,83430,99116,7376,2946691417,39827,89722,30530,92044,91537,38731,52519,3499,0601,89648

Male 241,341Female 242,701

Age structure

Unit: %

Youth 13.3%Working age 69.1%Seniors 17.6%13.3%69.1%17.6%

Youth 13.3%Working age 69.1%Seniors 17.6%

40s is the largest group, at 90,454 people.

Population change

Change over time

4-year trend

Unit: people

485,395 in 2022485,721 in 2023486,017 in 2024485,070 in 2025484,042 in 202620222023202420252026

485,395 in 2022484,042 in 2026

Barely changed over the past 4 years.

Population ranking

Janggi-dong has the largest population of the 15 neighborhoods.

Population by region

15
  • YoungestGurae-dong38.3 yrs
  • OldestWolgot-myeon57.9 yrs

There is a 19.6-year gap in average age between the youngest and the oldest area.

RegionPopulationShareAverage age
Janggi-dong78,58616.2%40.5 yrs
Pungmu-dong59,52112.3%42.2 yrs
Gochon-eup51,93710.7%40.6 yrs
Unyang-dong48,77510.1%39.8 yrs
Gurae-dong45,8519.5%38.3 yrs
Masan-dong35,4677.3%39.7 yrs
Tongjin-eup34,5647.1%47.9 yrs
Yangchon-eup30,4576.3%47.3 yrs
Gamjeong-dong20,9224.3%45.8 yrs
Sau-dong20,5164.2%47.1 yrs
Geolpo-dong19,2414%39.9 yrs
Bukbyeon-dong16,7063.5%47.9 yrs
Daegot-myeon8,8781.8%55.5 yrs
Haseong-myeon7,5031.6%56.5 yrs
Wolgot-myeon5,1181.1%57.9 yrs

The top three areas hold 39.3% of the population of Gimpo-si, Gyeonggi.

Other regions

Other districts in Gyeonggi

16

Frequently asked questions❓

Gimpo-si, Gyeonggi has 484,042 residents as of June 2026., 1,028 fewer than a year earlier.
Janggi-dong, home to 78,586 residents — 16.2% of Gimpo-si, Gyeonggi.
It is 42.8 as of June 2026., 2.8 years below the national average of 45.6. Among its neighborhoods, Gurae-dong is youngest at 38.3 and Wolgot-myeon oldest at 57.9.
It fell 0.3% over 4 years, from 485,395 in 2022 to 484,042 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 🌐