Dumulmeori River, Yangseo-myeon, Yangpyeong-gunYangpyeong Station & Mulmalgeun Market, Yangpyeong-eup, Yangpyeong-gunYongmun Station & Yongmun 5-Day Market, Yongmun-myeon, Yangpyeong-gun
Total population127,137people
Households64,128households
Average age51.9yrs
Sex ratioMale64,049peopleFemale63,088people50.4%49.6%

Population change

Change over time

4-year trend

Unit: people

122,914 in 2022124,050 in 2023127,033 in 2024127,120 in 2025127,137 in 202620222023202420252026

122,914 in 2022127,137 in 2026

Up 3.4% over the past 4 years.

Migration

As of August 2026

Monthly Overview

Moved in1,143people
Moved out956people
Net migration187people

Net migration by month

Unit: people

97115βˆ’61βˆ’97116βˆ’99βˆ’710714134236187SepOctNovDecJanFebMarAprMayJunJulAug97 in Sep 2025115 in Oct 2025βˆ’61 in Nov 2025βˆ’97 in Dec 2025116 in Jan 2026βˆ’99 in Feb 2026βˆ’7 in Mar 2026107 in Apr 202614 in May 2026134 in Jun 2026236 in Jul 2026187 in Aug 2026

Net inflowNet outflow

Top origins

Unit: people

Top destinations

Unit: people

Inflows exceeded outflows in 8 of the past 12 months, for a net gain of 742.

Want more detail on migration in Yangpyeong-gun?See more Yangpyeong-gun statistics on GData

Population structure

Population by age

As of September 2026

Population by age and sex

Unit: people

Under 1010s20s30s40s50sπŸ‘‘ 60s70s80s90s100+2,7625,3924,9585,4477,42410,74814,1089,1733,60742822,6224,7153,8284,9477,55010,29313,8339,3184,7401,20634

Male 64,049Female 63,088

Age structure

Unit: %

Youth 8.2%Working age 58.4%Seniors 33.4%58.4%33.4%

Youth 8.2%Working age 58.4%Seniors 33.4%

60s is the largest group, at 27,941 people.

Population ranking

Population by region

As of September 2026
  • YoungestYangpyeong-eup46.7 yrs
  • OldestCheongun-myeon60.9 yrs
RegionShare
Yangpyeong-eup38,41330.2%46.7 yrs
Yongmun-myeon18,74814.7%51.4 yrs
Yangseo-myeon14,02811%52.9 yrs
Gangsang-myeon10,0897.9%50.4 yrs
Seojong-myeon9,8127.7%52.4 yrs
Okcheon-myeon7,9136.2%53.5 yrs
Jipyeong-myeon6,5285.1%59.2 yrs
Gaegun-myeon4,9863.9%57.2 yrs
Gangha-myeon4,7343.7%58 yrs
Yangdong-myeon4,4213.5%60 yrs

The top three areas hold 56.0% of the population of Yangpyeong-gun, Gyeonggi.

Want to explore Yangpyeong-gun's demographics in more detail?See more Yangpyeong-gun statistics on GData

Frequently asked questions❓

Yangpyeong-gun, Gyeonggi has 127,137 residents as of September 2026., 17 more than a year earlier.
Yangpyeong-eup, home to 38,413 residents (30.2% of Yangpyeong-gun, Gyeonggi).
It is 51.9 as of September 2026., 6.2 years above the national average of 45.7. Among its towns and townships, Yangpyeong-eup is youngest at 46.7 and Cheongun-myeon oldest at 60.9.
It rose 3.4% over 4 years, from 122,914 in 2022 to 127,137 in September 2026.
As of August 2026, the most people moved in from Namyangju-si (67) and the most moved out to Namyangju-si (45). Inflows exceeded outflows in 8 of the past 12 months, for a net gain of 742.
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 🌐