Santo Niño, Cagayan
Santo Niño 
    Faire  | |
|---|---|
| Municipality of Santo Niño | |
Map of Cagayan with Santo Niño highlighted  | |
OpenStreetMap  | |
Location within the Philippines  | |
| Coordinates: 17°53′10″N 121°34′09″E / 17.8861°N 121.5691°E | |
| Country | Philippines | 
| Region | Cagayan Valley | 
| Province | Cagayan | 
| District | 2nd district | 
| Barangays | 31 (see Barangays) | 
| Government | |
| • Type | Sangguniang Bayan | 
| • Mayor | Vicente G. Pagurayan | 
| • Vice Mayor | Andrew Vincent R. Pagurayan | 
| • Representative | Samantha Louise V. Alfonso | 
| • Electorate | 19,313 voters (2025) | 
| Area | |
 • Total  | 512.90 km2 (198.03 sq mi) | 
| Elevation | 111 m (364 ft) | 
| Highest elevation | 721 m (2,365 ft) | 
| Lowest elevation | 3 m (10 ft) | 
| Population  (2020 census)  | |
 • Total  | 28,537 | 
| • Density | 56/km2 (140/sq mi) | 
| • Households | 7,174 | 
| Economy | |
| • Income class | 2nd municipal income class | 
| • Poverty incidence | 15.55  | 
| • Revenue | ₱ 309.9 million (2022) | 
| • Assets | ₱ 662.2 million (2022) | 
| • Expenditure | ₱ 187.4 million (2022) | 
| • Liabilities | ₱ 138 million (2022) | 
| Service provider | |
| • Electricity | Cagayan 1 Electric Cooperative (CAGELCO 1) | 
| Time zone | UTC+8 (PST) | 
| ZIP code | 3525  | 
| PSGC | |
| IDD : area code | +63 (0)78 | 
| Native languages | Ibanag Ilocano Itawis Tagalog  | 
Santo Niño, officially the Municipality of Santo Niño (Ibanag: Ili nat Santo Niño; Ilocano: Ili ti Santo Niño; Tagalog: Bayan ng Santo Niño), formerly known as Faire, is a municipality in the province of Cagayan, Philippines. According to the 2020 census, it has a population of 28,537 people.