Foreign residents66,181peopleNaturalized citizens 6,761 people
Foreign resident share22.97%Of registered residents
Resident types
70.7% of Ansan-si's foreign residents live in Danwon-gu.
By residence type
As of September 2026Unit: %
Overseas Koreans 39.9%Other foreign nationals 34.4%Migrant workers 18.6%Marriage migrants 5.9%Foreign students 1.3%
| Type | People | Share |
|---|---|---|
| Overseas Koreans | 26,397 | 39.9% |
| Other foreign nationals | 22,749 | 34.4% |
| Migrant workers | 12,297 | 18.6% |
| Marriage migrants | 3,875 | 5.9% |
| Foreign students | 863 | 1.3% |
Overseas Koreans are the largest group at 26,397.
Age structure
By age group
As of September 2026| Age group | People | Share |
|---|---|---|
| Under 10 | 3,693 | 5.6% |
| 10s | 3,262 | 4.9% |
| 20s | 7,494 | 11.3% |
| 30s | 15,382 | 23.2% |
| 40s | 13,478 | 20.4% |
| 50s | 12,695 | 19.2% |
| 60s | 7,765 | 11.7% |
| 70+ | 2,412 | 3.6% |
Residents in their 30s are the largest age group at 15,382.
Frequently asked questionsβ
66,181 as of the 2026 survey, or 22.97% of its population.
Overseas Koreans form the largest group, at 26,397.
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