Negros Occidental's 1st congressional district

Negros Occidental's 1st congressional district is one of the six congressional districts of the Philippines in the province of Negros Occidental. It has been represented in the House of Representatives of the Philippines since 1916 and earlier in the Philippine Assembly from 1907 to 1916.^[3] The district consists of the northern Negros Occidental cities of Escalante and San Carlos, as well as adjacent municipalities of Calatrava, Don Salvador Benedicto and Toboso. It is currently represented in the 20th Congress by Julio A. Ledesma IV of the Nationalist People's Coalition (NPC).^[4]

Negros Occidental's 1st congressional district
Constituency for the House of Representatives of the Philippines
Boundary of Negros Occidental's 1st congressional district in Negros Occidental
Location of Negros Occidental within the Philippines
Province	Negros Occidental
Region	Negros Island Region
Population	381,716 (2020)[1]
Electorate	276,286 (2022)[2]
Major settlements	5 LGUs Cities Escalante San Carlos Municipalities Calatrava Don Salvador Benedicto Toboso
Area	1,436.59 km2 (554.67 sq mi)
Current constituency
Created	1907
Representative	Julio "Jules" A. Ledesma IV
Political party	NPC
Congressional bloc	Majority

Representation history

#	Image		Member	Term of office		Legislature	Party	Electoral history	Constituent LGUs
				Start	End
Negros Occidental's 1st district for the Philippine Assembly
District created January 9, 1907.[5][6]
1			Antonio Ledesma Jayme	October 16, 1907	March 13, 1909	1st	Nacionalista	Elected in 1907.	1907–1916 Cadiz, Escalante, Manapla, Sagay, San Carlos, Saravia, Silay, Victorias
2			José López Villanueva	October 16, 1909	October 16, 1912	2nd	Nacionalista	Elected in 1909.
3			Melecio Severino	October 16, 1912	May 16, 1915	3rd	Nacionalista	Elected in 1912. Died.
Negros Occidental's 1st district for the House of Representatives of the Philippine Islands
4			Lope P. Severino	October 16, 1916	June 6, 1922	4th	Nacionalista	Elected in 1916.	1916–1925 Cadiz, Escalante, Manapla, Sagay, San Carlos, Saravia, Silay, Victorias
						5th		Re-elected in 1919.
5			Serafín P. Hilado	June 6, 1922	June 5, 1928	6th	Nacionalista Unipersonalista	Elected in 1922.
						7th	Nacionalista Consolidado	Re-elected in 1925.	1925–1935 Cadiz, Calatrava, Escalante, Manapla, Sagay, San Carlos, Saravia, Silay, Victorias
6			José Locsin	June 5, 1928	June 2, 1931	8th	Nacionalista Consolidado	Elected in 1928.
7			Enrique Magalona	June 2, 1931	September 16, 1935	9th	Nacionalista Consolidado	Elected in 1931.
						10th	Nacionalista Democrático	Re-elected in 1934.
#	Image		Member	Term of office		National Assembly	Party	Electoral history	Constituent LGUs
				Start	End
Negros Occidental's 1st district for the National Assembly (Commonwealth of the Philippines)
(7)			Enrique Magalona	September 16, 1935	December 30, 1941	1st	Nacionalista Democrático	Re-elected in 1935.	1935–1941 Cadiz, Calatrava, Escalante, Manapla, Sagay, San Carlos, Saravia, Silay, Victorias
						2nd	Nacionalista	Re-elected in 1938.
District dissolved into the two-seat Negros Occidental's at-large district for the National Assembly (Second Philippine Republic).
#	Image		Member	Term of office		Common wealth Congress	Party	Electoral history	Constituent LGUs
				Start	End
Negros Occidental's 1st district for the House of Representatives of the Commonwealth of the Philippines
District re-created May 24, 1945.
(7)			Enrique Magalona	June 11, 1945	May 25, 1946	1st	Nacionalista	Re-elected in 1941.	1945–1946 Cadiz, Calatrava, Escalante, Manapla, Sagay, San Carlos, Saravia, Silay, Victorias
#	Image		Member	Term of office		Congress	Party	Electoral history	Constituent LGUs
				Start	End
Negros Occidental's 1st district for the House of Representatives of the Philippines
8			Vicente F. Gustilo Sr.	May 25, 1946	December 30, 1949	1st	Nacionalista	Elected in 1946.	1946–1949 Cadiz, Calatrava, Escalante, Manapla, Sagay, San Carlos, Saravia, Silay, Victorias
9			Francisco Ferrer	December 30, 1949	December 30, 1953	2nd	Liberal	Elected in 1949.	1949–1969 Cadiz, Calatrava, Escalante, Manapla, Sagay, San Carlos, Saravia, Silay, Toboso, Victorias
10			José B. Puey	December 30, 1953	December 30, 1957	3rd	Democratic	Elected in 1953.
(8)			Vicente F. Gustilo Sr.	December 30, 1957	December 17, 1962	4th	Nacionalista	Elected in 1957.
						5th		Re-elected in 1961. Died.
11			Armando C. Gustilo	January 27, 1964	September 23, 1972		Nacionalista	Elected in 1963 to finish his father's term.
						6th		Re-elected in 1965.
						7th		Re-elected in 1969. Removed from office after imposition of martial law.	1969–1972 Cadiz, Calatrava, Enrique B. Magalona, Escalante, Manapla, Sagay, San Carlos, Silay, Toboso, Victorias
District dissolved into the sixteen-seat Region VI's at-large district for the Interim Batasang Pambansa, followed by the seven-seat Negros Occidental's at-large district for the Regular Batasang Pambansa.
District re-created February 2, 1987.
12			Salvador S. Laguda	June 30, 1987	June 30, 1992	8th	Lakas ng Bansa	Elected in 1987.	1987–present Calatrava, Escalante, Don Salvador Benedicto, San Carlos, Toboso
13			Tranquilino B. Carmona	June 30, 1992	June 30, 1995	9th	NPC	Elected in 1992.
14			Julio A. Ledesma IV	June 30, 1995	June 30, 2004	10th	NPC	Elected in 1995.
						11th		Re-elected in 1998.
						12th		Re-elected in 2001.
(13)			Tranquilino B. Carmona	June 30, 2004	June 30, 2007	13th	Lakas	Re-elected in 2004.
(14)			Julio A. Ledesma IV	June 30, 2007	June 30, 2016	14th	NPC	Elected in 2007.
						15th		Re-elected in 2010.
						16th		Re-elected in 2013.
15			Melecio J. Yap Jr.	June 30, 2016	June 30, 2019	17th	NPC	Elected in 2016.
16			Gerardo P. Valmayor Jr.	June 30, 2019	June 30, 2025	18th	NPC	Elected in 2019.
						19th		Re-elected in 2022.
(14)			Julio A. Ledesma IV	June 30, 2025	Incumbent	20th	NPC	Elected in 2025.

Election results

2025

2025 Philippine House of Representatives election in the First District of Negros Occidental

Candidate		Party	Votes	%
	Jules Ledesma	Nationalist People's Coalition	157,328	95.27
	Erie Mahinay	Partido Lakas ng Masa	7,819	4.73
Total			165,147	100.00
	Nationalist People's Coalition hold
Source: Commission on Elections

2022

2022 Philippine House of Representatives elections

Party		Candidate	Votes	%
	NPC	Gerardo "Ginggo" Valmayor Jr.	123,050	100.00%
Total votes			123,050	100.00%
	NPC hold

2019

2019 Philippine House of Representatives elections

Party		Candidate	Votes	%
	NPC	Gerardo "Ginggo" Valmayor Jr.	106,916
	Independent	Toto Librando	7,356
	PDDS	Romulo Giuon	5,555
Total votes				100.00%
	NPC hold

2016

2016 Philippine House of Representatives elections

Party		Candidate	Votes	%
	NPC	Melecio Yap Jr.	93,695	66.27%
	Liberal	Santiago Maravillas	44,298	31.33%
	KBL	Ernesto Librando	3,388	2.39%
Invalid or blank votes			43,928
Total votes			185,309	100.00%
	NPC hold

2013

2013 Philippine House of Representatives elections

Party		Candidate	Votes	%
	NPC	Julio "Jules" Ledesma IV	76,727	52.57
	PMP	Nehemias Dela Cruz Sr.	47,922	32.83
	Aksyon	Ernesto Librando	486	0.33
	Independent	Leopoldo Sua	114	0.08
Margin of victory			28,805	19.73%
Invalid or blank votes			20,710	14.19
Total votes			145,959	100.00
	NPC hold

2010

2010 Philippine House of Representatives elections

Party		Candidate	Votes	%
	NPC	Julio Ledesma IV	123,970	94.01
	Independent	Ernesto Librando	7,904	5.99
Valid ballots			131,874	83.79
Invalid or blank votes			25,514	16.21
Total votes			157,388	100.00
	NPC hold

See also

• Legislative districts of Negros Occidental