The province is composed of 32 municipalities, 2 component cities and 768 barangays. Of the municipalities, 20 are identified as lowland areas and the remaining 12 are considered upland areas.
The number of barangays by municipality/city is shown in the following table.
|
Number of Barangays by Municipality/City Ilocos Sur |
|
|
CITIES / MUNICIPALITIES |
NO. OF BARANGAYS |
|
1. ALILEM |
09 |
|
2. BANAYOYO |
14 |
|
3. BANTAY |
34 |
|
4. BURGOS |
26 |
|
5. CABUGAO |
33 |
|
6. CAOAYAN |
17 |
|
7. CERVANTES |
13 |
|
8. GALIMUYOD |
24 |
|
9. G. DEL PILAR |
07 |
|
10. LIDLIDDA |
11 |
|
11. MAGSINGAL |
30 |
|
12. NAGBUKEL |
12 |
|
13. NARVACAN |
34 |
|
14. QUIRINO |
09 |
|
15. SALCEDO |
21 |
|
16. SAN EMILIO |
08 |
|
17. SAN ESTEBAN |
10 |
|
18. SAN ILDEFONSO |
15 |
|
19. SAN JUAN |
32 |
|
20. SAN VICENTE |
07 |
|
21. SANTA |
26 |
|
22. STA. CATALINA |
09 |
|
23. STA. CRUZ |
49 |
|
24. STA. LUCIA |
36 |
|
25. STA. MARIA |
33 |
|
26. SANTIAGO |
24 |
|
27. STO. DOMINGO |
36 |
|
28. SIGAY |
07 |
|
29. SINAIT |
44 |
|
30. SUGPON |
06 |
|
31. SUYO |
08 |
|
32. TAGUDIN |
43 |
|
33. CANDON CITY |
42 |
|
34. VIGAN CITY |
39 |
|
ILOCOS SUR |
768 |