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Population of Seowon-gu, Cheongju-si

Resident registration data, June 2026 (MOIS)

Total population187,779people
Average age45.2yrs

Population structure

Population by age

10-year bands · by sex

Population by age and sex

Unit: people

Under 1010s20s30s40s👑 50s60s70s80s90s100+5,0828,81213,17912,66112,57316,28814,5617,3502,74833134,7518,44611,33210,44012,36217,21515,2278,8184,5721,00225

Male 93,588Female 94,191

Age structure

Unit: %

Youth 9.8%Working age 69.0%Seniors 21.2%9.8%69.0%21.2%

Youth 9.8%Working age 69.0%Seniors 21.2%

50s is the largest group, at 33,503 people.

Population change

Change over time

4-year trend

Unit: people

192,503 in 2022188,607 in 2023184,112 in 2024180,633 in 2025187,779 in 202620222023202420252026

192,503 in 2022187,779 in 2026

Down 2.5% over the past 4 years.

Population ranking

Bunpyeong-dong has the largest population of the 14 neighborhoods.

Population by region

14
  • YoungestSannam-dong39.9 yrs
  • OldestHyeondo-myeon62 yrs

There is a 22.1-year gap in average age between the youngest and the oldest area.

RegionPopulationShareAverage age
Bunpyeong-dong32,16017.1%45.2 yrs
Gaesin-dong28,18715%41.5 yrs
Sugok-dong26,57514.2%50.4 yrs
Mochung-dong21,55311.5%42.9 yrs
Sannam-dong17,6539.4%39.9 yrs
Seonghwa-dong15,7238.4%44.1 yrs
Sajik-dong14,4877.7%45.9 yrs
Sachang-dong13,8907.4%44.7 yrs
Nami-myeon9,5795.1%51.9 yrs
Jungnim-dong3,8632.1%46.9 yrs
Hyeondo-myeon2,8851.5%62 yrs
Jangam-dong4630.2%55.5 yrs
Mipyeong-dong4420.2%54 yrs
Jangseong-dong3190.2%55.7 yrs

The top three areas hold 46.3% of the population of Seowon-gu, Cheongju-si.

Other regions

Other districts in Chungcheongbuk

13

Frequently asked questions❓

Seowon-gu, Cheongju-si has 187,779 residents as of June 2026., 7,146 more than a year earlier.
Bunpyeong-dong, home to 32,160 residents — 17.1% of Seowon-gu, Cheongju-si.
It is 45.2 as of June 2026., close to the national average of 45.6. Among its neighborhoods, Sannam-dong is youngest at 39.9 and Hyeondo-myeon oldest at 62.
It fell 2.5% over 4 years, from 192,503 in 2022 to 187,779 in June 2026.
This is resident registration data from Korea's Ministry of the Interior and Safety. Figures are as of the end of June 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 🌐