Foreign residents37,843peopleNaturalized citizens 2,552 people
Foreign resident share10.36%Of registered residents
Resident types
Asan-si ranks 2nd of 15 in Chungcheongnam-do by foreign residents.
By residence type
As of September 2026Unit: %
Overseas Koreans 34.0%Other foreign nationals 30.9%Migrant workers 21.7%Marriage migrants 5.8%Foreign students 7.6%
| Type | People | Share |
|---|---|---|
| Overseas Koreans | 12,863 | 34% |
| Other foreign nationals | 11,688 | 30.9% |
| Migrant workers | 8,220 | 21.7% |
| Marriage migrants | 2,197 | 5.8% |
| Foreign students | 2,875 | 7.6% |
Overseas Koreans are the largest group at 12,863.
Age structure
By age group
As of September 2026| Age group | People | Share |
|---|---|---|
| Under 10 | 2,162 | 5.7% |
| 10s | 2,226 | 5.9% |
| 20s | 8,582 | 22.7% |
| 30s | 10,457 | 27.6% |
| 40s | 6,983 | 18.5% |
| 50s | 4,358 | 11.5% |
| 60s | 2,291 | 6.1% |
| 70+ | 784 | 2.1% |
Residents in their 30s are the largest age group at 10,457.
Frequently asked questionsβ
37,843 as of the 2026 survey, or 10.36% of its population.
Overseas Koreans form the largest group, at 12,863.
2nd 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