Ilocos Norte Political Divisions Political Divisions

| City_Municipality | No_of_s_Barangay | Population_2010 | Area_km² | Pop_density_per_km² |
|---|---|---|---|---|
| San Nicolas | 24 | 34237 | 40.18 | 852.1 |
| Sarrat | 24 | 24770 | 57.39 | 431.6 |
| Solsona | 22 | 22990 | 166.23 | 138.3 |