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KOREA, IN NUMBERS Population

Siheung Population

Monthly resident registration population · KOSIS

MonthlyLatest available: Aug 2026

Current population

515,337

Data period: Aug 2026

YoY change

+0.21%

+1,063 people · Year-over-year

Annual Local Government Budget

KRW 1.64 trillion

≈ US$1.21 billion

Fiscal year 2026 · Initial budget

General and special accounts · Excludes funds

View exact KRW amount

KRW 1,642,016,829,000

FX reference date: · ECB · Reference conversion

Source: Ministry of the Interior and Safety · Local Finance 365

Population rank within Gyeonggi#1231 cities and counties
Share of parent population3.74%Gyeonggi
Share of national population1.01%Aug 2026

5-year monthly trend

Siheung · people

Population
Aug 2026515,337 people

Monthly resident registration population. Use the month control to inspect each value, or open the data table.

Siheung · 5-year monthly trend521,291518,534515,777513,020510,263Sep 2021Apr 2023Dec 2024Aug 2026
View monthly data
Siheung · 5-year monthly trend
Data periodPopulation
Aug 2026515,337
Jul 2026514,996
Jun 2026514,831
May 2026514,804
Apr 2026514,822
Mar 2026514,501
Feb 2026514,384
Jan 2026514,778
Dec 2025515,032
Nov 2025514,945
Oct 2025514,702
Sep 2025514,331
Aug 2025514,274
Jul 2025514,536
Jun 2025515,106
May 2025515,521
Apr 2025515,897
Mar 2025516,243
Feb 2025516,475
Jan 2025517,511
Dec 2024518,132
Nov 2024518,586
Oct 2024518,622
Sep 2024518,559
Aug 2024518,387
Jul 2024518,371
Jun 2024518,716
May 2024518,844
Apr 2024519,060
Mar 2024519,109
Feb 2024518,817
Jan 2024519,306
Dec 2023519,715
Nov 2023519,594
Oct 2023518,771
Sep 2023518,174
Aug 2023518,182
Jul 2023518,366
Jun 2023518,437
May 2023518,299
Apr 2023518,072
Mar 2023517,336
Feb 2023515,058
Jan 2023513,468
Dec 2022512,912
Nov 2022512,438
Oct 2022512,168
Sep 2022512,331
Aug 2022513,331
Jul 2022513,768
Jun 2022513,928
May 2022513,653
Apr 2022512,721
Mar 2022512,455
Feb 2022511,839
Jan 2022512,092
Dec 2021512,030
Nov 2021512,155
Oct 2021511,888
Sep 2021511,900
Definition

This population series is based on South Korea's resident registration statistics. Foreign residents are not included in this dataset.

Methodology
Source: KOSIS ↗ · Monthly resident registration populationLast updated: Sep 29, 2026

Other cities and counties in Gyeonggi

GunpoUiwangHanamYongin