# Zamboanga del Sur's 1st congressional district

Zamboanga del Sur's 1st congressional district is one of the two congressional districts of the Philippines in the province of Zamboanga del Sur. It has been represented in the House of Representatives since 1987. The district encompasses the northern half of the province consisting of its provincial capital city of Pagadian and the municipalities of Aurora, Dumingag, Josefina, Labangan, Mahayag, Midsalip, Molave, Ramon Magsaysay, Sominot, Tambulig and Tukuran. It is currently represented in the 18th Congress by Divina Grace Yu 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 |
| Zamboanga del Sur's 1st district for the House of Representatives of the Philippines ||||||||||
| District created February 2, 1987 from Zamboanga del Sur's at-large district. ||||||||||
| 1 | | | Isidoro E. Real Jr. | June 30, 1987 | June 30, 1992 | 8th | PDP–Laban | Elected in 1987. | 1987–1992 Aurora, Don Mariano Marcos, Dumingag, Josefina, Labangan, Mahayag, Midsalip, Molave, Pagadian, Ramon Magsaysay, Tambulig, Tukuran |
| 2 | | | Alejandro S. Urro | June 30, 1992 | June 30, 2001 | 9th | Lakas | Elected in 1992. | 1992–present Aurora, Dumingag, Josefina, Labangan, Mahayag, Midsalip, Molave, Pagadian, Ramon Magsaysay, Sominot, Tambulig, Tukuran |
| 2 | | | Alejandro S. Urro | June 30, 1992 | June 30, 2001 | 10th | Lakas | Re-elected in 1995. | 1992–present Aurora, Dumingag, Josefina, Labangan, Mahayag, Midsalip, Molave, Pagadian, Ramon Magsaysay, Sominot, Tambulig, Tukuran |
| 2 | | | Alejandro S. Urro | June 30, 1992 | June 30, 2001 | 11th | LDP | Re-elected in 1998. | 1992–present Aurora, Dumingag, Josefina, Labangan, Mahayag, Midsalip, Molave, Pagadian, Ramon Magsaysay, Sominot, Tambulig, Tukuran |
| (1) | | | Isidoro E. Real Jr. | June 30, 2001 | June 30, 2007 | 12th | Lakas | Elected in 2001. | 1992–present Aurora, Dumingag, Josefina, Labangan, Mahayag, Midsalip, Molave, Pagadian, Ramon Magsaysay, Sominot, Tambulig, Tukuran |
| (1) | | | Isidoro E. Real Jr. | June 30, 2001 | June 30, 2007 | 13th | Lakas | Re-elected in 2004. | 1992–present Aurora, Dumingag, Josefina, Labangan, Mahayag, Midsalip, Molave, Pagadian, Ramon Magsaysay, Sominot, Tambulig, Tukuran |
| 3 | | | Victor J. Yu | June 30, 2007 | June 30, 2016 | 14th | NPC | Elected in 2007. | 1992–present Aurora, Dumingag, Josefina, Labangan, Mahayag, Midsalip, Molave, Pagadian, Ramon Magsaysay, Sominot, Tambulig, Tukuran |
| 3 | | | Victor J. Yu | June 30, 2007 | June 30, 2016 | 15th | NPC | Re-elected in 2010. | 1992–present Aurora, Dumingag, Josefina, Labangan, Mahayag, Midsalip, Molave, Pagadian, Ramon Magsaysay, Sominot, Tambulig, Tukuran |
| 3 | | | Victor J. Yu | June 30, 2007 | June 30, 2016 | 16th | NPC | Re-elected in 2013. | 1992–present Aurora, Dumingag, Josefina, Labangan, Mahayag, Midsalip, Molave, Pagadian, Ramon Magsaysay, Sominot, Tambulig, Tukuran |
| 4 | | | Divina Grace C. Yu | June 30, 2016 | Incumbent | 17th | NPC | Elected in 2016. | 1992–present Aurora, Dumingag, Josefina, Labangan, Mahayag, Midsalip, Molave, Pagadian, Ramon Magsaysay, Sominot, Tambulig, Tukuran |
| 4 | | | Divina Grace C. Yu | June 30, 2016 | Incumbent | 18th | PDP–Laban | Re-elected in 2019. | 1992–present Aurora, Dumingag, Josefina, Labangan, Mahayag, Midsalip, Molave, Pagadian, Ramon Magsaysay, Sominot, Tambulig, Tukuran |
| 4 | | | Divina Grace C. Yu | June 30, 2016 | Incumbent | 19th | Lakas | Re-elected in 2022. | 1992–present Aurora, Dumingag, Josefina, Labangan, Mahayag, Midsalip, Molave, Pagadian, Ramon Magsaysay, Sominot, Tambulig, Tukuran |

## Election results
### 2019

Divina Grace Yu was the Incumbent.
2019 Philippine House of Representatives election at Zamboanga del Sur's 1st District :
| Party | Party | Candidate | Votes | % |
| | PDP–Laban | Divina Grace Yu | 164,990 | |
| | Nacionalista | Marlyn Revelo | 119,141 | |
| Total votes | Total votes | Total votes | 284,131 | |
| | PDP–Laban gain from Nacionalista | PDP–Laban gain from Nacionalista | PDP–Laban gain from Nacionalista | PDP–Laban gain from Nacionalista |

### 2016

Victor Yu is the incumbent but ineligible for reelection. His party nominated his wife, Divina Grace Yu.
2016 Philippine House of Representatives election at Zamboanga del Sur's 1st District :
| Party | Party | Candidate | Votes | % |
| | NPC | Divina Grace Yu | 180,705 | 83.004 |
| | NUP | Alex Acain | 37,000 | 16.995 |
| Total votes | Total votes | Total votes | 217,705 | |
| | NPC hold | NPC hold | NPC hold | NPC hold |

### 2013

Victor Yu was the incumbent.
2013 Philippine House of Representatives election at Zamboanga del Sur's 1st district :
| Party | Party | Candidate | Votes |
| | NPC | Victor Yu | 72,593 |
| | Liberal | Samuel Co | 50,026 |
| Margin of victory | Margin of victory | Margin of victory | |
| Rejected ballots | Rejected ballots | Rejected ballots | |
| Turnout | Turnout | Turnout | |
| | NPC hold | NPC hold | Swing |

### 2010

Victor Yu is the incumbent.
Philippine House of Representatives election at Zamboanga del Sur's 1st district :
| Party | Party | Candidate | Votes | % |
| | NPC | Victor Yu | 162,787 | 75.22 |
| | Liberal | Romeo Vera Cruz | 53,634 | 24.78 |
| Valid ballots | Valid ballots | Valid ballots | 216,421 | 90.52 |
| Invalid or blank votes | Invalid or blank votes | Invalid or blank votes | 22,654 | 9.48 |
| Total votes | Total votes | Total votes | 239,075 | 100.00 |
| | NPC hold | NPC hold | NPC hold | NPC hold |