Sangdangsanseong Fortress Wall, Sanseong-dong, Sangdang-guChungbuk National University Main Gate, Gaesin-dong, Seowon-guOchang Science Industrial Complex, Ochang-eup, Cheongwon-guOsong Life Science Complex, Osong-eup, Heungdeok-gu
Foreign residents27,442peopleNaturalized citizens 2,819 people
Foreign resident share3.19%Of registered residents

Resident types

Cheongju-si ranks 1st of 11 in Chungcheongbuk-do by foreign residents.

By residence type

As of September 2026

Unit: %

Overseas Koreans 22.5%Other foreign nationals 32.5%Migrant workers 18.1%Marriage migrants 9.3%Foreign students 17.7%22.5%32.5%18.1%9.3%17.7%

Overseas Koreans 22.5%Other foreign nationals 32.5%Migrant workers 18.1%Marriage migrants 9.3%Foreign students 17.7%

TypePeopleShare
Overseas Koreans6,16122.5%
Other foreign nationals8,90932.5%
Migrant workers4,96218.1%
Marriage migrants2,5479.3%
Foreign students4,86317.7%

Other foreign nationals are the largest group at 8,909.

Age structure

By age group

As of September 2026
Age groupPeopleShare
Under 101,0974%
10s1,5715.7%
20s8,18429.8%
30s7,03925.7%
40s4,21615.4%
50s2,98610.9%
60s1,7956.5%
70+5542%

Residents in their 20s are the largest age group at 8,184.

Foreign resident ranking

Foreign residents by region

As of September 2026
RegionShare
Heungdeok-gu10,89239.7%
Sangdang-gu1,9707.2%
Seowon-gu6,20622.6%
Cheongwon-gu8,37430.5%

The top three areas are home to 69.5% of all foreign residents in Cheongju-si, Chungcheongbuk-do.

Frequently asked questions❓

27,442 as of the 2026 survey, or 3.19% of its population.
Other foreign nationals form the largest group, at 8,909.
1st out of 11.
The 2026 edition of the annual local foreign resident survey by Korea's Ministry of the Interior and Safety. Population figures come from monthly resident registration data, so the two have different reference dates.

Sources 🌐