KOR2OOL.
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KOREA, IN NUMBERS Population

Ansan Population

Monthly resident registration population · KOSIS

MonthlyLatest available: Aug 2026

Current population

608,487

Data period: Aug 2026

YoY change

-0.94%

-5,745 people · Year-over-year

Annual Local Government Budget

KRW 2.33 trillion

≈ US$1.71 billion

Fiscal year 2026 · Initial budget

General and special accounts · Excludes funds

View exact KRW amount

KRW 2,329,728,923,000

FX reference date: · ECB · Reference conversion

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

Population rank within Gyeonggi#931 cities and counties
Share of parent population4.42%Gyeonggi
Share of national population1.19%Aug 2026

5-year monthly trend

Ansan · people

Population
Aug 2026608,487 people

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

Ansan · 5-year monthly trend663,427647,403631,379615,354599,330Sep 2021Apr 2023Dec 2024Aug 2026
View monthly data
Ansan · 5-year monthly trend
Data periodPopulation
Aug 2026608,487
Jul 2026608,883
Jun 2026609,240
May 2026609,712
Apr 2026610,081
Mar 2026610,783
Feb 2026611,467
Jan 2026611,860
Dec 2025612,508
Nov 2025613,079
Oct 2025613,534
Sep 2025613,914
Aug 2025614,232
Jul 2025614,772
Jun 2025615,689
May 2025616,265
Apr 2025616,800
Mar 2025617,100
Feb 2025617,963
Jan 2025619,381
Dec 2024620,579
Nov 2024621,550
Oct 2024622,136
Sep 2024623,256
Aug 2024624,005
Jul 2024624,788
Jun 2024625,274
May 2024625,800
Apr 2024626,166
Mar 2024626,954
Feb 2024627,497
Jan 2024628,374
Dec 2023629,308
Nov 2023630,651
Oct 2023632,291
Sep 2023633,417
Aug 2023634,284
Jul 2023635,134
Jun 2023636,054
May 2023636,633
Apr 2023637,480
Mar 2023638,264
Feb 2023639,355
Jan 2023640,679
Dec 2022641,660
Nov 2022643,044
Oct 2022644,583
Sep 2022645,952
Aug 2022647,266
Jul 2022648,164
Jun 2022648,849
May 2022649,776
Apr 2022650,708
Mar 2022651,153
Feb 2022651,419
Jan 2022652,036
Dec 2021652,726
Nov 2021653,687
Oct 2021654,117
Sep 2021654,270
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

GoyangGwacheonGuriNamyangju