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Everland Amusement Park, Pogok-eup, Cheoin-guSamsung Electronics Giheung Campus, Gugal-dong, Giheung-guJukjeon Station & Shinsegae Department Store, Jukjeon-dong, Suji-gu

Population of Yongin-si, Gyeonggi

As of September 2026

Total population1,091,437people
Households451,621households
Average age43.3yrs
Sex ratioMale540,974peopleFemale550,463people49.6%50.4%

Population change

Change over time

4-year trend

Unit: people

1,078,751 in 20221,077,890 in 20231,084,021 in 20241,093,639 in 20251,091,437 in 202620222023202420252026

1,078,751 in 20221,091,437 in 2026

Up 1.2% over the past 4 years.

Migration

As of August 2026

Monthly Overview

Moved in11,042people
Moved out10,308people
Net migration734people

Net migration by month

Unit: people

βˆ’1,124βˆ’260βˆ’874βˆ’349βˆ’216βˆ’323βˆ’515βˆ’292βˆ’682387201734SepOctNovDecJanFebMarAprMayJunJulAugβˆ’1,124 in Sep 2025βˆ’260 in Oct 2025βˆ’874 in Nov 2025βˆ’349 in Dec 2025βˆ’216 in Jan 2026βˆ’323 in Feb 2026βˆ’515 in Mar 2026βˆ’292 in Apr 2026βˆ’682 in May 2026387 in Jun 2026201 in Jul 2026734 in Aug 2026

Net inflowNet outflow

Top origins

Unit: people

RegionMoved in
Suwon-si830
Seongnam-si695
Hwaseong-si458
Gwangju-si243
Gangnam-gu, Seoul224

Top destinations

Unit: people

RegionMoved out
Suwon-si951
Seongnam-si568
Hwaseong-si542
Gwangju-si278
Pyeongtaek-si222

Outflows exceeded inflows in 9 of the past 12 months, for a net loss of 3,313.

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

Population structure

Population by age

As of September 2026

Population by age and sex

Unit: people

Under 1010s20s30s40sπŸ‘‘ 50s60s70s80s90s100+35,79762,69465,35070,78787,07095,82367,62136,21617,3852,2022934,43559,96659,31467,67490,31797,09568,32944,82323,6734,709127

Male 540,974Female 550,463

Age structure

Unit: %

Youth 12.1%Working age 69.9%Seniors 18.1%12.1%69.9%18.1%

Youth 12.1%Working age 69.9%Seniors 18.1%

50s is the largest group, at 192,918 people.

Population ranking

Population by region

As of September 2026
RegionShare
Giheung-gu434,13339.8%43.6 yrs
Suji-gu368,72133.8%42.2 yrs
Cheoin-gu288,58326.4%44.3 yrs

Giheung-gu alone holds 39.8% of the population of Yongin-si, Gyeonggi.

Frequently asked questions❓

Yongin-si, Gyeonggi has 1,091,437 residents as of September 2026., 2,202 fewer than a year earlier.
Giheung-gu, home to 434,133 residents (39.8% of Yongin-si, Gyeonggi).
It is 43.3 as of September 2026., 2.4 years below the national average of 45.7. Among its districts, Suji-gu is youngest at 42.2 and Cheoin-gu oldest at 44.3.
It rose 1.2% over 4 years, from 1,078,751 in 2022 to 1,091,437 in September 2026.
As of August 2026, the most people moved in from Suwon-si (830) and the most moved out to Suwon-si (951). Outflows exceeded inflows in 9 of the past 12 months, for a net loss of 3,313.
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 🌐