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Chungbuk National University Main Gate, Gaesin-dong, Seowon-gu

Population of Seowon-gu, Cheongju-si

As of September 2026

Total population187,612people
Households92,556households
Average age45.3yrs
Sex ratioMale93,500peopleFemale94,112people49.8%50.2%

Population change

Change over time

4-year trend

Unit: people

192,171 in 2022187,160 in 2023182,900 in 2024180,379 in 2025187,612 in 202620222023202420252026

192,171 in 2022187,612 in 2026

Down 2.4% over the past 4 years.

Population structure

Population by age

As of September 2026

Population by age and sex

Unit: people

Under 1010s20s30s40sπŸ‘‘ 50s60s70s80s90s100+5,0298,77013,12612,63812,50416,28614,6037,4062,81232424,7148,36411,24110,48112,28717,22215,2888,8524,6181,01925

Male 93,500Female 94,112

Age structure

Unit: %

Youth 9.8%Working age 68.9%Seniors 21.3%9.8%68.9%21.3%

Youth 9.8%Working age 68.9%Seniors 21.3%

50s is the largest group, at 33,508 people.

Population ranking

Population by region

As of September 2026
  • YoungestSannam-dong40.1 yrs
  • OldestHyeondo-myeon62 yrs
RegionShare
Bunpyeong-dong32,03817.1%45.3 yrs
Gaesin-dong28,49015.2%41.5 yrs
Sugok-dong26,53114.1%50.5 yrs
Mochung-dong21,52411.5%42.9 yrs
Sannam-dong17,5799.4%40.1 yrs
Seonghwa-dong15,7138.4%44.2 yrs
Sajik-dong14,4007.7%46 yrs
Sachang-dong13,8157.4%44.8 yrs
Nami-myeon9,5755.1%52 yrs
Jungnim-dong3,8352%47.2 yrs

The top three areas hold 46.4% of the population of Seowon-gu, Cheongju-si.

Frequently asked questions❓

Seowon-gu, Cheongju-si has 187,612 residents as of September 2026., 7,233 more than a year earlier.
Bunpyeong-dong, home to 32,038 residents (17.1% of Seowon-gu, Cheongju-si).
It is 45.3 as of September 2026., close to the national average of 45.7. Among its neighborhoods, Sannam-dong is youngest at 40.1 and Hyeondo-myeon oldest at 62.
It fell 2.4% over 4 years, from 192,171 in 2022 to 187,612 in September 2026.
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 🌐