Foreign residents16,200peopleNaturalized citizens 1,487 people
Foreign resident share6.14%Of registered residents
Resident types
42.3% of Cheonan-si's foreign residents live in Dongnam-gu.
By residence type
As of September 2026Unit: %
Overseas Koreans 25.2%Other foreign nationals 32.0%Migrant workers 23.8%Marriage migrants 7.4%Foreign students 11.5%
| Type | People | Share |
|---|---|---|
| Overseas Koreans | 4,082 | 25.2% |
| Other foreign nationals | 5,192 | 32% |
| Migrant workers | 3,862 | 23.8% |
| Marriage migrants | 1,194 | 7.4% |
| Foreign students | 1,870 | 11.5% |
Other foreign nationals are the largest group at 5,192.
Age structure
By age group
As of September 2026| Age group | People | Share |
|---|---|---|
| Under 10 | 560 | 3.5% |
| 10s | 683 | 4.2% |
| 20s | 3,773 | 23.3% |
| 30s | 4,464 | 27.6% |
| 40s | 2,807 | 17.3% |
| 50s | 2,169 | 13.4% |
| 60s | 1,326 | 8.2% |
| 70+ | 418 | 2.6% |
Residents in their 30s are the largest age group at 4,464.
Frequently asked questionsβ
16,200 as of the 2026 survey, or 6.14% of its population.
Other foreign nationals form the largest group, at 5,192.
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

