# Isabela's 4th congressional district

Isabela's 4th 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 of the Philippines since 1987. The district consists of the independent component city of Santiago and the municipalities of Cordon, Dinapigue, Jones, and San Agustin. It is currently represented in the 19th Congress by Joseph S. Tan of the Lakas–CMD.

## Representation history

| # | Image | Image | Member | Term of office | Term of office | Congress | Party | Electoral history | Constituent LGUs |
| # | Image | Image | Member | Start | End | Congress | Party | Electoral history | Constituent LGUs |
| District created February 2, 1987 from Isabela's at-large district. ||||||||||
| 1 | | | Antonio M. Abaya | June 30, 1987 | June 30, 1998 | 8th | KBL | Elected in 1987. | 1987–2019: Cordon, Dinapigue, Echague, Jones, Ramon, San Agustin, San Isidro, Santiago |
| 1 | | | Antonio M. Abaya | June 30, 1987 | June 30, 1998 | 9th | NPC | Re-elected in 1992. | 1987–2019: Cordon, Dinapigue, Echague, Jones, Ramon, San Agustin, San Isidro, Santiago |
| 1 | | | Antonio M. Abaya | June 30, 1987 | June 30, 1998 | 10th | Lakas | Re-elected in 1995. | 1987–2019: Cordon, Dinapigue, Echague, Jones, Ramon, San Agustin, San Isidro, Santiago |
| 2 | | | Heherson Alvarez | June 30, 1998 | June 30, 2001 | 11th | Lakas | Elected in 1998. | 1987–2019: Cordon, Dinapigue, Echague, Jones, Ramon, San Agustin, San Isidro, Santiago |
| (1) | | | Antonio M. Abaya | June 30, 2001 | February 26, 2003 | 12th | Lakas | Elected in 2001. Died in office. | 1987–2019: Cordon, Dinapigue, Echague, Jones, Ramon, San Agustin, San Isidro, Santiago |
| - | vacant | vacant | vacant | February 26, 2003 | May 19, 2003 | | | | | 1987–2019: Cordon, Dinapigue, Echague, Jones, Ramon, San Agustin, San Isidro, Santiago |
| 3 | | | Giorgidi B. Aggabao | May 19, 2003 | June 30, 2004 | 12th | NPC | Elected to finish Abaya's term. | 1987–2019: Cordon, Dinapigue, Echague, Jones, Ramon, San Agustin, San Isidro, Santiago |
| 4 | | | Anthony Miranda | June 30, 2004 | June 30, 2007 | 13th | KAMPI | Elected in 2004. | 1987–2019: Cordon, Dinapigue, Echague, Jones, Ramon, San Agustin, San Isidro, Santiago |
| (3) | | | Giorgidi B. Aggabao | June 30, 2007 | June 30, 2016 | 14th | NPC | Elected in 2007. | 1987–2019: Cordon, Dinapigue, Echague, Jones, Ramon, San Agustin, San Isidro, Santiago |
| (3) | | | Giorgidi B. Aggabao | June 30, 2007 | June 30, 2016 | 15th | NPC | Re-elected in 2010. | 1987–2019: Cordon, Dinapigue, Echague, Jones, Ramon, San Agustin, San Isidro, Santiago |
| (3) | | | Giorgidi B. Aggabao | June 30, 2007 | June 30, 2016 | 16th | NPC | Re-elected in 2013. | 1987–2019: Cordon, Dinapigue, Echague, Jones, Ramon, San Agustin, San Isidro, Santiago |
| 5 | | | Ma. Lourdes R. Aggabao | June 30, 2016 | June 30, 2019 | 17th | NPC | Elected in 2016. | 1987–2019: Cordon, Dinapigue, Echague, Jones, Ramon, San Agustin, San Isidro, Santiago |
| 6 | | | Alyssa Sheena P. Tan | June 30, 2019 | June 30, 2022 | 18th | PFP | Elected in 2019. | 2019–present: Cordon, Dinapigue, Jones, San Agustin, Santiago |
| 7 | | | Joseph S. Tan | June 30, 2022 | Incumbent | 19th | Lakas | Elected in 2022. | 2019–present: Cordon, Dinapigue, Jones, San Agustin, Santiago |

## Election results
### 2022

2022 Philippine House of Representatives election in Isabela's 4th District :
| Party | Party | Candidate | Votes | % |
| | PDP–Laban | Joseph Tan | 106,651 | 74.90% |
| | PDDS | Jeanybel "Jeany" Coquilla | 30,392 | 21.34% |
| | NPC | Lucas Florentino | 2,855 | 2.01% |
| | Reporma | Ramon "Monching" Espiritu | 1,421 | 1.00% |
| | Independent | Ellenday "Ellen" Gabriel | 1,070 | 0.75% |
| Total votes | Total votes | Total votes | 142,392 | 100.00% |

### 2016

2016 Philippine House of Representatives election at Isabela's 4th district :
| Party | Party | Candidate | Votes | % |
| | NPC | Ma. Lourdes Aggabao | 96,446 | 46.65 |
| | Liberal | Danilo Tan | 75,075 | 36.31 |
| | Independent | Hex Alvarez | 9,529 | 4.61 |
| | PGRP | Maximo Dirige | 3,619 | 1.75 |
| | Independent | Nick De Guzman | 1,037 | 0.50 |
| Valid ballots | Valid ballots | Valid ballots | 185,706 | 89.83 |
| Invalid or blank votes | Invalid or blank votes | Invalid or blank votes | 21,028 | 10.17 |
| Total votes | Total votes | Total votes | 206,734 | 100.00 |
| | NPC hold | NPC hold | NPC hold | NPC hold |

### 2013

2013 Philippine House of Representatives election at Isabela's 4th district :
| Party | Party | Candidate | Votes | % |
| | NPC | Giorgidi Aggabao | 105,139 | 64.85 |
| | PMP | Anthony Miranda | 31,361 | 19.34 |
| | Aksyon | Danilo Tan | 6,491 | 4.00 |
| Valid ballots | Valid ballots | Valid ballots | 142,991 | 88.20 |
| Invalid or blank votes | Invalid or blank votes | Invalid or blank votes | 19,125 | 11.80 |
| Total votes | Total votes | Total votes | 162,116 | 100.00 |
| | NPC hold | NPC hold | NPC hold | NPC hold |

### 2010

2010 Philippine House of Representatives election at Isabela's 4th district :
| Party | Party | Candidate | Votes | % |
| | NPC | Giorgidi Aggabao | 83,412 | 48.28 |
| | Independent | Danilo Tan | 78,228 | 45.28 |
| | Independent | Nicolas de Guzman, Jr. | 2,090 | 1.21 |
| Valid ballots | Valid ballots | Valid ballots | 163,730 | 94.78 |
| Invalid or blank votes | Invalid or blank votes | Invalid or blank votes | 9,021 | 5.22 |
| Total votes | Total votes | Total votes | 172,751 | 100.00 |
| | NPC hold | NPC hold | NPC hold | NPC hold |