Laguna's 1st congressional district is one of the six

congressional districts of the Philippines Congressional districts of the Philippines () refers to the electoral districts or constituencies in which the country is divided for the purpose of electing 253 of the 316 members of the House of Representatives of the Philippines, House of Rep ...

in the province of Laguna, formerly La Laguna. It has been represented in the

House of Representatives of the Philippines The House of Representatives (; '','' thus commonly referred to as ''Kamara'') is the lower house of Congress of the Philippines, Congress, the bicameral legislature of the Philippines, with the Senate of the Philippines as the upper house. The ...

since 1916 and earlier in the

Philippine Assembly The Philippine Assembly (sometimes called the Philippine National Assembly) was the lower house of the Philippine Legislature from 1907 to 1916, when it was renamed the House of Representatives of the Philippines. The Philippine Assembly ...

from 1907 to 1916. The district currently consists of the northwestern city of San Pedro. It also encompassed the city of San Pablo and western Laguna municipalities of Alaminos,

Bay A bay is a recessed, coastal body of water that directly connects to a larger main body of water, such as an ocean, a lake, or another bay. A large bay is usually called a ''gulf'', ''sea'', ''sound'', or ''bight''. A ''cove'' is a small, ci ...

Cabuyao Cabuyao (), officially the City of Cabuyao (), is a component city in the province of Laguna, Philippines. According to the 2020 census, it has a population of 355,330 people. It used to be known as the "richest municipality in the Philipp ...

, Calamba,

Calauan Calauan (), officially the Municipality of Calauan (), is a municipality in the province of Laguna, Philippines. The municipality has a land area of 25.25 square miles which constitutes 3.41% of Laguna's total area. According to the 2020 censu ...

, Los Baños,

Pila Pila may refer to: Architecture * Pila (architecture), a type of veranda in Sri Lankan farm houses Places *Pila, Buenos Aires, a town in Buenos Aires Province, Argentina *Pila Partido, a country subdivision in Buenos Aires Province, Argentina *P ...

, and

Victoria Victoria most commonly refers to: * Queen Victoria (1819–1901), Queen of the United Kingdom and Empress of India * Victoria (state), a state of Australia * Victoria, British Columbia, Canada, a provincial capital * Victoria, Seychelles, the capi ...

until 1972;

Biñan Biñan (), officially the City of Biñan (), is a component city in the province of Laguna, Philippines. According to the 2020 census, it has a population of 407,437, making it the third largest in population in the province of Laguna, after ...

until 2016; and

Santa Rosa Santa Rosa is the Italian, Portuguese, and Spanish name for Saint Rose. Santa Rosa may also refer to: Places Argentina *Santa Rosa, Mendoza, a city * Santa Rosa, Tinogasta, Catamarca * Santa Rosa, Valle Viejo, Catamarca *Santa Rosa, La Pampa * S ...

until 2022. It is currently represented in the 19th Congress by Ann Matibag of

Lakas–CMD Lakas–Christian Muslim Democrats, abbreviated as Lakas–CMD and also known simply as Lakas, (and known as Lakas–Kampi until 2011) is a political party in the Philippines. Lakas–CMD is considered to be on the Centre-right politics, centre ...

Representation history

Election results

2025

2022

2019

2016

2013

2010

2007

2004

2001

1998

1995

1992

1910 special

References

{{Philippine congressional districts in Region IV-A Congressional districts of the Philippines Politics of Laguna (province) 1907 establishments in the Philippines Congressional districts of Calabarzon Constituencies established in 1907