Foreign residents38,256peopleNaturalized citizens 3,413 people
Foreign resident share5.74%Of registered residents
Resident types
Cheonan-si ranks 1st of 15 in Chungcheongnam-do by foreign residents.
By residence type
As of September 2026Unit: %
Overseas Koreans 23.0%Other foreign nationals 31.4%Migrant workers 22.9%Marriage migrants 7.7%Foreign students 15.0%
| Type | People | Share |
|---|---|---|
| Overseas Koreans | 8,790 | 23% |
| Other foreign nationals | 11,998 | 31.4% |
| Migrant workers | 8,771 | 22.9% |
| Marriage migrants | 2,957 | 7.7% |
| Foreign students | 5,740 | 15% |
Other foreign nationals are the largest group at 11,998.
Age structure
By age group
As of September 2026| Age group | People | Share |
|---|---|---|
| Under 10 | 1,320 | 3.5% |
| 10s | 1,750 | 4.6% |
| 20s | 10,227 | 26.7% |
| 30s | 10,170 | 26.6% |
| 40s | 6,428 | 16.8% |
| 50s | 4,732 | 12.4% |
| 60s | 2,726 | 7.1% |
| 70+ | 903 | 2.4% |
Residents in their 20s are the largest age group at 10,227.
Foreign resident ranking
Foreign residents by region
As of September 2026| Region | Share | |
|---|---|---|
| Seobuk-gu | 22,056 | 57.7% |
| Dongnam-gu | 16,200 | 42.3% |
Seobuk-gu alone is home to 57.7% of all foreign residents in Cheonan-si, Chungcheongnam-do.
Frequently asked questionsβ
38,256 as of the 2026 survey, or 5.74% of its population.
Other foreign nationals form the largest group, at 11,998.
1st out of 15.
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 π
- MOIS Survey of Foreign Residents by Local GovernmentKOGL Type 1 Β· 2026 survey Β· updated yearly