Ilocos Sur's 1st congressional district is one of the two

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

Ilocos Sur Ilocos Sur (), officially the Province of Ilocos Sur (; ), is a Provinces of the Philippines, province in the Philippines located in the Ilocos Region in Luzon. Located on the mouth of the Mestizo River is the capital of Vigan, while Candon is ...

. 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 consists of the provincial capital city of

Vigan Vigan, officially the City of Vigan (; ), is a Cities of the Philippines#Legal classification, component city and capital of the Provinces of the Philippines, province of Ilocos Sur, Philippines. According to the 2020 census, it has a populatio ...

and adjacent municipalities of

Bantay Bantay, officially the Municipality of Bantay (; ), is a municipality in the province of Ilocos Sur, Philippines. According to the 2020 census, it has a population of 37,118 people. History Spanish colonization Foundation Spanish conquistador J ...

Cabugao Cabugao, officially the Municipality of Cabugao (; ), is a municipality in the province of Ilocos Sur, Philippines. According to the 2020 census, it has a population of 38,884 people. Etymology In the beginning, the place was only a wilderne ...

Caoayan Caoayan, officially the Municipality of Caoayan (; ), is a municipality of the Philippines, municipality in the Philippine Province, province of Ilocos Sur, Philippines. According to the 2020 census, it has a population of 19,574 people. Etymol ...

Magsingal Magsingal, officially the Municipality of Magsingal (; ) is a 1st class municipality in the province of Ilocos Sur, Philippines. According to the 2020 census, it has a population of 31,308 people. Etymology The name of the municipality came from ...

San Ildefonso San Ildefonso (), La Granja (), or La Granja de San Ildefonso, is a town and municipality in the Province of Segovia, in the Castile and León autonomous region of central Spain. It is located in the foothills of the Sierra de Guadarrama moun ...

San Juan San Juan, Spanish for Saint John (disambiguation), Saint John, most commonly refers to: * San Juan, Puerto Rico * San Juan, Argentina * San Juan, Metro Manila, a highly urbanized city in the Philippines San Juan may also refer to: Places Arge ...

, San Vicente, Santa Catalina,

Santo Domingo Santo Domingo, formerly known as Santo Domingo de Guzmán, is the capital and largest city of the Dominican Republic and the List of metropolitan areas in the Caribbean, largest metropolitan area in the Caribbean by population. the Distrito Na ...

and

Sinait Sinait, officially the Municipality of Sinait (; ), is a municipality in the province of Ilocos Sur, Philippines. According to the 2020 census, it has a population of 25,998 people. History Before Magellan and his expedition reached the Philip ...

. It is currently represented in the 19th Congress by

Ronald Singson , predecessor3 = Salacnib Baterina , successor3 = Ryan Luis Singson , birth_date = , birth_place = Manila, Philippines , death_date = , death_place = , nationality = Filipino , ...

of the

Nationalist People's Coalition The Nationalist People's Coalition (NPC) is a conservatism, conservative political party in the Philippines which was founded in 1992 by presidential candidate Danding Cojuangco. History Formation In 1990, amid political and economic unce ...

(NPC).

Representation history

Election results

2022

2019

2016

2013

2011 special

2010

References

{{Philippine congressional districts in Region I Congressional districts of the Philippines Politics of Ilocos Sur 1907 establishments in the Philippines Congressional districts of the Ilocos Region Constituencies established in 1907