Osong Life Science Complex, Osong-eup, Heungdeok-guSK Hynix Cheongju Campus, Hyangjeong-dong, Heungdeok-gu
Total population294,300people
Households142,299households
Average age41.4yrs
Sex ratioMale150,323peopleFemale143,977people51.1%48.9%

Population change

Change over time

4-year trend

Unit: people

268,614 in 2022272,989 in 2023282,608 in 2024291,353 in 2025294,300 in 202620222023202420252026

268,614 in 2022294,300 in 2026

Up 9.6% over the past 4 years.

Population structure

Population by age

As of September 2026

Population by age and sex

Unit: people

Under 1010s20sπŸ‘‘ 30s40s50s60s70s80s90s100+11,73814,30319,53827,98324,05023,22218,2658,2542,636331311,37513,63116,50723,06022,12523,29018,9869,3104,5811,08725

Male 150,323Female 143,977

Age structure

Unit: %

Youth 12.6%Working age 72.2%Seniors 15.2%12.6%72.2%15.2%

Youth 12.6%Working age 72.2%Seniors 15.2%

30s is the largest group, at 51,043 people.

Population ranking

Population by region

As of September 2026
  • YoungestHyangjeong-dong28.4 yrs
  • OldestSinchon-dong62.7 yrs
RegionShare
Bokdae-dong66,01422.4%40.4 yrs
Gagyeong-dong52,32817.8%42.7 yrs
Osong-eup49,60416.9%38.1 yrs
Bongmyeong-dong36,64412.5%42.7 yrs
Biha-dong17,2255.9%42.1 yrs
Oksan-myeon16,8195.7%43.9 yrs
Songjeol-dong12,4874.2%32.4 yrs
Gangnae-myeon10,6173.6%47.5 yrs
Gangseo-dong9,4103.2%37.7 yrs
Uncheon-dong7,4692.5%51.2 yrs

The top three areas hold 57.1% of the population of Heungdeok-gu, Cheongju-si.

Frequently asked questions❓

Heungdeok-gu, Cheongju-si has 294,300 residents as of September 2026., 2,947 more than a year earlier.
Bokdae-dong, home to 66,014 residents (22.4% of Heungdeok-gu, Cheongju-si).
It is 41.4 as of September 2026., 4.3 years below the national average of 45.7. Among its neighborhoods, Hyangjeong-dong is youngest at 28.4 and Sinchon-dong oldest at 62.7.
It rose 9.6% over 4 years, from 268,614 in 2022 to 294,300 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 🌐