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Population of Siheung-si, Gyeonggi

Resident registration data, June 2026 (MOIS)

Total population514,831people
Average age42.3yrs

Population structure

Population by age

10-year bands · by sex

Population by age and sex

Unit: people

Under 1010s20s30s40s👑 50s60s70s80s90s100+18,84726,63230,56339,81347,36248,13638,18313,7454,2844531218,14525,40925,90334,05041,05444,14633,73914,7917,7311,77954

Male 268,030Female 246,801

Age structure

Unit: %

Youth 12.2%Working age 72.5%Seniors 15.3%12.2%72.5%15.3%

Youth 12.2%Working age 72.5%Seniors 15.3%

50s is the largest group, at 92,282 people.

Population change

Change over time

4-year trend

Unit: people

513,928 in 2022518,437 in 2023518,716 in 2024515,106 in 2025514,831 in 202620222023202420252026

513,928 in 2022514,831 in 2026

Barely changed over the past 4 years.

Population ranking

Jeongwang-dong has the largest population of the 31 neighborhoods.

Population by region

31
  • YoungestGunja-dong35.5 yrs
  • OldestMurwang-dong63.6 yrs

There is a 28.1-year gap in average age between the youngest and the oldest area.

RegionPopulationShareAverage age
Jeongwang-dong111,53621.7%43.1 yrs
Baegot-dong70,61813.7%36.6 yrs
Eunhaeng-dong57,16411.1%40.4 yrs
Daeya-dong40,7247.9%44.9 yrs
Janggok-dong32,9036.4%38.8 yrs
Sincheon-dong32,1136.2%48.6 yrs
Jonam-dong24,0724.7%42.2 yrs
Janghyeon-dong22,3284.3%37.2 yrs
Geomo-dong20,7824%46.5 yrs
Neunggok-dong19,5603.8%43.5 yrs
Wolgot-dong17,5933.4%44.8 yrs
Sanhyeon-dong8,7181.7%38.3 yrs
Hajung-dong7,7331.5%46.9 yrs
Maehwa-dong7,7241.5%48.2 yrs
Hasang-dong7,0441.4%46.2 yrs
Gunja-dong5,3561%35.5 yrs
Po-dong5,2041%50 yrs
Jugyul-dong5,0001%41.9 yrs
Nongok-dong3,9540.8%47.1 yrs
Mokgam-dong3,7040.7%44.2 yrs
Misan-dong3,1320.6%51.6 yrs
Dochang-dong2,9360.6%50.2 yrs
Gwangseok-dong1,4830.3%39.7 yrs
Gwarim-dong1,2250.2%57.7 yrs
Gyesu-dong5110.1%59.5 yrs
Mujinae-dong4810.1%58.9 yrs
Bangsan-dong4120.1%61.2 yrs
Anhyeon-dong3430.1%58.8 yrs
Geumi-dong2410%61 yrs
Murwang-dong1860%63.6 yrs
Hwajeong-dong510%53.6 yrs

The top three areas hold 46.5% of the population of Siheung-si, Gyeonggi.

Other regions

Other districts in Gyeonggi

16

Frequently asked questions❓

Siheung-si, Gyeonggi has 514,831 residents as of June 2026., 275 fewer than a year earlier.
Jeongwang-dong, home to 111,536 residents — 21.7% of Siheung-si, Gyeonggi.
It is 42.3 as of June 2026., 3.3 years below the national average of 45.6. Among its neighborhoods, Gunja-dong is youngest at 35.5 and Murwang-dong oldest at 63.6.
It rose 0.2% over 4 years, from 513,928 in 2022 to 514,831 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 🌐