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University District by Handae-ap Sta. (Hanyang ERICA), Sa-dong, Sangnok-guSangnoksu Station, Bono-dong, Sangnok-guNojeokbong Waterfall Park, Seongpo-dong, Sangnok-gu

Foreign Residents in Sangnok-gu, Ansan-si

Based on the MOIS local foreign resident survey, 2026

Foreign residents27,432peopleNaturalized citizens 3,404 people
Foreign resident share8.56%Of registered residents

Resident types

29.3% of Ansan-si's foreign residents live in Sangnok-gu.

By residence type

As of September 2026

Unit: %

Overseas Koreans 40.2%Other foreign nationals 32.8%Migrant workers 9.3%Marriage migrants 7.4%Foreign students 10.3%40.2%32.8%9.3%10.3%

Overseas Koreans 40.2%Other foreign nationals 32.8%Migrant workers 9.3%Marriage migrants 7.4%Foreign students 10.3%

TypePeopleShare
Overseas Koreans11,03140.2%
Other foreign nationals8,99532.8%
Migrant workers2,5579.3%
Marriage migrants2,0187.4%
Foreign students2,83110.3%

Overseas Koreans are the largest group at 11,031.

Age structure

By age group

As of September 2026
Age groupPeopleShare
Under 102,0437.4%
10s1,6466%
20s4,86017.7%
30s6,06322.1%
40s4,93018%
50s3,91914.3%
60s2,89710.6%
70+1,0743.9%

Residents in their 30s are the largest age group at 6,063.

Frequently asked questions❓

27,432 as of the 2026 survey, or 8.56% of its population.
Overseas Koreans form the largest group, at 11,031.
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 🌐