Total population860,215people
Households415,481households
Average age43.4yrs
Sex ratioMale435,288peopleFemale424,927people50.6%49.4%
Population change
Change over time
4-year trendUnit: people
849,290 in 2022860,215 in 2026
Up 1.3% over the past 4 years.
Migration
As of August 2026Monthly Overview
Moved in8,496people
Moved out8,225people
Net migration271people
Net migration by month
Unit: people
Net inflowNet outflow
Top origins
Unit: people
| Region | Moved in |
|---|---|
| Cheonan-si, Chungcheongnam-do | 125 |
| Jincheon-gun | 104 |
| Chungju-si | 94 |
| Suwon-si, Gyeonggi | 85 |
| Yuseong-gu, Daejeon | 81 |
Top destinations
Unit: people
| Region | Moved out |
|---|---|
| Pyeongtaek-si, Gyeonggi | 117 |
| Jincheon-gun | 117 |
| Cheonan-si, Chungcheongnam-do | 115 |
| Yuseong-gu, Daejeon | 114 |
| Seo-gu, Daejeon | 97 |
Inflows exceeded outflows in 11 of the past 12 months, for a net gain of 2,717.
Population structure
Population by age
As of September 2026Population by age and sex
Unit: people
Male 435,288Female 424,927
Age structure
Unit: %
Youth 11.6%Working age 69.9%Seniors 18.6%
50s is the largest group, at 142,263 people.
Population ranking
Population by region
As of September 2026| Region | Share | ||
|---|---|---|---|
| Heungdeok-gu | 294,300 | 34.2% | 41.4 yrs |
| Sangdang-gu | 192,578 | 22.4% | 45.2 yrs |
| Seowon-gu | 187,612 | 21.8% | 45.3 yrs |
| Cheongwon-gu | 185,725 | 21.6% | 43 yrs |
The top three areas hold 78.4% of the population of Cheongju-si, Chungcheongbuk-do.
Frequently asked questionsβ
Cheongju-si, Chungcheongbuk-do has 860,215 residents as of September 2026., 3,525 more than a year earlier.
Heungdeok-gu, home to 294,300 residents (34.2% of Cheongju-si, Chungcheongbuk-do).
It is 43.4 as of September 2026., 2.3 years below the national average of 45.7. Among its districts, Heungdeok-gu is youngest at 41.4 and Seowon-gu oldest at 45.3.
It rose 1.3% over 4 years, from 849,290 in 2022 to 860,215 in September 2026.
As of August 2026, the most people moved in from Cheonan-si, Chungcheongnam-do (125) and the most moved out to Pyeongtaek-si, Gyeonggi (117). Inflows exceeded outflows in 11 of the past 12 months, for a net gain of 2,717.
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 π
- Resident registration data, Ministry of the Interior and SafetyKOGL Type 1 Β· as of September 2026 Β· updated monthly
- Internal Migration Statistics, Statistics Korea (KOSIS)KOGL Type 1 Β· as of August 2026 Β· updated monthly