Ilocos Norte Political Divisions Political Divisions

| City_Municipality | No_of_s_Barangay | Population_2010 | Area_km² | Pop_density_per_km² |
|---|---|---|---|---|
| Adams | 1 | 1785 | 159.31 | 11.2 |
| Bacarra | 43 | 31648 | 65.32 | 484.5 |
| Badoc | 31 | 30708 | 76.68 | 400.5 |
| Bangui | 15 | 15025 | 112.98 | 133 |
| Banna (Espiritu) | 20 | 19051 | 92.73 | 205.4 |
| Batac City | 43 | 53542 | 161.06 | 332.4 |
| Burgos | 11 | 9687 | 128.90 | 75.2 |
| Carasi | 3 | 1473 | 82.97 | 17.8 |
| Currimao | 23 | 11970 | 34.08 | 351.2 |
| Dingras | 31 | 37021 | 96.00 | 385.6 |
| Dumalneg | 1 | 1814 | 88.48 | 20.5 |
| Laoag City | 80 | 104904 | 116.08 | 903.7 |
| Marcos | 13 | 16984 | 72.77 | 233.4 |
| Nueva Era | 11 | 7837 | 515.02 | 15.2 |
| Pagudpud | 16 | 21877 | 194.90 | 112.2 |
| Paoay | 31 | 23956 | 76.24 | 314.2 |
| Pasuquin | 33 | 27952 | 210.54 | 132.8 |
| Piddig | 23 | 20606 | 216.20 | 95.3 |
| Pinili | 25 | 16732 | 89.48 | 187 |