한국어

Population of Cheongju-si, Chungcheongbuk

Resident registration data, June 2026 (MOIS)

Total population859,571people
Average age43.4yrs

Population structure

Population by age

10-year bands · by sex

Population by age and sex

Unit: people

Under 1010s20s30s40s👑 50s60s70s80s90s100+29,41443,26855,11367,88566,95070,89960,28129,40510,4761,2831428,08741,24246,47856,11162,74171,36262,03334,03318,2394,16590

Male 434,988Female 424,583

Age structure

Unit: %

Youth 11.6%Working age 69.9%Seniors 18.5%11.6%69.9%18.5%

Youth 11.6%Working age 69.9%Seniors 18.5%

50s is the largest group, at 142,261 people.

Population change

Change over time

4-year trend

Unit: people

849,003 in 2022850,168 in 2023853,187 in 2024855,340 in 2025859,571 in 202620222023202420252026

849,003 in 2022859,571 in 2026

Up 1.2% over the past 4 years.

Population ranking

Heungdeok-gu has the largest population of the 4 districts.

Population by region

4

There is a 3.8-year gap in average age between the youngest and the oldest area.

RegionPopulationShareAverage age
Heungdeok-gu292,62534%41.4 yrs
Sangdang-gu193,07922.5%45.1 yrs
Seowon-gu187,77921.8%45.2 yrs
Cheongwon-gu186,08821.6%42.9 yrs

The top three areas hold 78.4% of the population of Cheongju-si, Chungcheongbuk.

Other regions

Other districts in Chungcheongbuk

10

Frequently asked questions❓

Cheongju-si, Chungcheongbuk has 859,571 residents as of June 2026., 4,231 more than a year earlier.
Heungdeok-gu, home to 292,625 residents — 34.0% of Cheongju-si, Chungcheongbuk.
It is 43.4 as of June 2026., 2.2 years below the national average of 45.6. Among its districts, Heungdeok-gu is youngest at 41.4 and Seowon-gu oldest at 45.2.
It rose 1.2% over 4 years, from 849,003 in 2022 to 859,571 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 🌐