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Anseong Farmland Meadow, Gongdo-eup, Anseong-siAnseong City Hall & Jungang Market, Bongsan-dong, Anseong-siChung-Ang Univ. Anseong Campus, Daedeok-myeon, Anseong-si

Population of Anseong-si, Gyeonggi

As of September 2026

Total population199,484people
Households99,433households
Average age46.4yrs
Sex ratioMale103,236peopleFemale96,248people51.8%48.2%

Population change

Change over time

4-year trend

Unit: people

190,126 in 2022189,472 in 2023193,049 in 2024196,733 in 2025199,484 in 202620222023202420252026

190,126 in 2022199,484 in 2026

Up 4.9% over the past 4 years.

Migration

As of August 2026

Monthly Overview

Moved in1,773people
Moved out1,578people
Net migration195people

Net migration by month

Unit: people

βˆ’7βˆ’31336114225373862583182567195SepOctNovDecJanFebMarAprMayJunJulAugβˆ’7 in Sep 2025βˆ’3 in Oct 202513 in Nov 202536 in Dec 2025114 in Jan 2026225 in Feb 2026373 in Mar 2026862 in Apr 2026583 in May 2026182 in Jun 2026567 in Jul 2026195 in Aug 2026

Net inflowNet outflow

Top origins

Unit: people

RegionMoved in
Pyeongtaek-si249
Yongin-si92
Hwaseong-si68
Suwon-si50
Cheonan-si, Chungcheongnam-do45

Top destinations

Unit: people

RegionMoved out
Pyeongtaek-si282
Hwaseong-si59
Cheonan-si, Chungcheongnam-do50
Yongin-si46
Suwon-si40

Inflows exceeded outflows in 10 of the past 12 months, for a net gain of 3,140.

Want more detail on migration in Anseong-si?See more Anseong-si statistics on GData

Population structure

Population by age

As of September 2026

Population by age and sex

Unit: people

Under 1010s20s30s40sπŸ‘‘ 50s60s70s80s90s100+5,2859,31912,00313,45415,61718,14416,7078,9113,36642464,8578,8399,87810,41913,31316,38415,9189,6685,5871,34837

Male 103,236Female 96,248

Age structure

Unit: %

Youth 9.6%Working age 67.5%Seniors 22.9%9.6%67.5%22.9%

Youth 9.6%Working age 67.5%Seniors 22.9%

50s is the largest group, at 34,528 people.

Population ranking

Population by region

As of September 2026
  • YoungestOksan-dong38.2 yrs
  • OldestBalhwa-dong61.3 yrs
RegionShare
Gongdo-eup71,16635.7%42.2 yrs
Dangwang-dong17,5878.8%41.2 yrs
Daedeok-myeon14,1967.1%45.6 yrs
Ayang-dong8,8524.4%43 yrs
Iljuk-myeon6,9593.5%56.5 yrs
Juksan-myeon6,7573.4%55.1 yrs
Geumgwang-myeon6,6963.4%53.9 yrs
Seokjeong-dong6,3753.2%40 yrs
Wongok-myeon6,3443.2%50.1 yrs
Miyang-myeon5,1792.6%56.3 yrs

The top three areas hold 51.6% of the population of Anseong-si, Gyeonggi.

Want to explore Anseong-si's demographics in more detail?See more Anseong-si statistics on GData

Frequently asked questions❓

Anseong-si, Gyeonggi has 199,484 residents as of September 2026., 2,751 more than a year earlier.
Gongdo-eup, home to 71,166 residents (35.7% of Anseong-si, Gyeonggi).
It is 46.4 as of September 2026., 0.7 years above the national average of 45.7. Among its neighborhoods, Oksan-dong is youngest at 38.2 and Balhwa-dong oldest at 61.3.
It rose 4.9% over 4 years, from 190,126 in 2022 to 199,484 in September 2026.
As of August 2026, the most people moved in from Pyeongtaek-si (249) and the most moved out to Pyeongtaek-si (282). Inflows exceeded outflows in 10 of the past 12 months, for a net gain of 3,140.
This is resident registration data from Korea's Ministry of the Interior and Safety. Figures are as of the end of September 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 🌐