Tumauini
| Tumauini | |
|---|---|
| Municipality of Tumauini | |
| Façade of St. Mathias Parish Church | |
| Map of Isabela with Tumauini highlighted | |
| OpenStreetMap | |
| Location within the Philippines | |
| Coordinates: 17°16′N 121°48′E / 17.27°N 121.8°E | |
| Country | Philippines | 
| Region | Cagayan Valley | 
| Province | Isabela | 
| District | 1st district | 
| Founded | 1751 | 
| Barangays | 46 (see Barangays) | 
| Government | |
| • Type | Sangguniang Bayan | 
| • Mayor | Venus T. Bautista | 
| • Vice Mayor | Christopher B. Uy | 
| • Representative | Antonio T. Albano | 
| • Municipal Council | Members | 
| • Electorate | 47,634 voters (2025) | 
| Area | |
|  • Total | 467.30 km2 (180.43 sq mi) | 
| Elevation | 42 m (138 ft) | 
| Highest elevation | 126 m (413 ft) | 
| Lowest elevation | 22 m (72 ft) | 
| Population  (2020 census) | |
|  • Total | 70,743 | 
| • Density | 150/km2 (390/sq mi) | 
| • Households | 16,825 | 
| Economy | |
| • Income class | 1st municipal income class | 
| • Poverty incidence | 16.80 | 
| • Revenue | ₱ 533.9 million (2022) | 
| • Assets | ₱ 1,249 million (2022) | 
| • Expenditure | ₱ 345.2 million (2022) | 
| • Liabilities | ₱ 414.3 million (2022) | 
| Service provider | |
| • Electricity | Isabela 2 Electric Cooperative (ISELCO 2) | 
| Time zone | UTC+8 (PST) | 
| ZIP code | 3325 | 
| PSGC | |
| IDD : area code | +63 (0)78 | 
| Native languages | Ibanag Ilocano Tagalog | 
| Website | www | 
Tumauini [ˌtumaˈwini], officially the Municipality of Tumauini (Ibanag: Ili nat Tumauini; Ilocano: Ili ti Tumauini; Tagalog: Bayan ng Tumauini), is a municipality in the province of Isabela, Philippines. According to the 2020 census, it has a population of 70,743 people.