| Isabela's 1st congressional district | |
|---|---|
| Constituency for the House of Representatives of the Philippines | |
 Location of Isabela within the Philippines | |
| Province | Isabela |
| Region | Cagayan Valley |
| Population | 399,196 (2020)[1] |
| Electorate | 259,291 (2022)[2] |
| Major settlements | 9 LGUs
|
| Area | 4,519.71 km2 (1,745.07 sq mi) |
| Current constituency | |
| Created | 1987 |
| Representative | Antonio T. Albano |
| Political party | Lakas–CMD |
| Congressional bloc | Majority |
Isabela's 1st congressional district is one of the six congressional districts of the Philippines in the province of Isabela. It has been represented in the House of Representatives since 1987.[3] The district consists of the capital city of Ilagan and the northern municipalities of Cabagan, Delfin Albano, Divilacan, Maconacon, San Pablo, Santa Maria, Santo Tomas and Tumauini. The municipality of Palanan was part of this district until it was redistricted to the 2nd district, effective in 2019.[4] It is currently represented in the 19th Congress by Antonio T. Albano of the Lakas–CMD.[5]
- ^ Census of Population (2020). Table B - Population and Annual Growth Rates by Province, City, and Municipality - By Region. Philippine Statistics Authority. Retrieved 8 July 2021.
- ^ "Number and Turn-Out of Registered Voters and Voters Who Actually Voted by City/Municipality May 9, 2022 National and Local Elections". Commission on Elections. Retrieved November 7, 2023.
- ^ "Roster of Philippine legislators". House of Representatives of the Philippines. Archived from the original on March 16, 2017. Retrieved February 13, 2021.
- ^ Republic Act No. 11080 (27 September 2018), An Act Reapportioning the Province of Isabela Into Six (6) Legislative Districts, Official Gazette of the Republic of the Philippines, retrieved February 13, 2021
- ^ "House Members". House of Representatives of the Philippines. Retrieved February 13, 2021.