Isabela'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 Isabela. It has been represented in the

House of Representatives House of Representatives is the name of legislative bodies in many countries and sub-national entities. In many countries, the House of Representatives is the lower house of a bicameral legislature, with the corresponding upper house often ...

since 1987. The district consists of the capital city of

Ilagan Ilagan, officially the City of Ilagan (; ; ), is a component city and capital of the province of Isabela, Philippines. According to the 2020 census, it has a population of 158,218 people making it the most populous city in the province and ...

and the northern municipalities of

Cabagan Cabagan, officially the Municipality of Cabagan (; ; ), is a municipality in the province of Isabela, Philippines. According to the 2020 census, it has a population of 53,897 people. Etymology The name Cabagan may have originated from the nat ...

, Delfin Albano, Divilacan,

Maconacon Maconacon, officially the Municipality of Maconacon ( Ibanag: ''Ili nat Maconacon''; ; Tagalog/ Kasiguranin: ''Bayan ng Maconacon''), is a municipality in the province of Isabela, Philippines. According to the 2020 census, it has a population o ...

, San Pablo, Santa Maria, Santo Tomas and

Tumauini Tumauini , officially the Municipality of Tumauini (; ; ), is a municipality in the province of Isabela, Philippines. According to the 2020 census, it has a population of 70,743 people. Etymology The name of Tumauini originated from the name o ...

. The municipality of

Palanan Palanan , officially the Municipality of Palanan ( Ibanag: ''Ili nat Palanan''; ; ), is a municipality in the province of Isabela, Philippines. It also served as the final capital of the First Philippine Republic from 1900 until the capture of P ...

was part of this district until it was redistricted to the 2nd district, effective in 2019. It is currently represented in the 19th Congress by Antonio T. Albano of the

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

2022

2019

2016

2013

2010

References

{{Philippine congressional districts in Region II Congressional districts of the Philippines Politics of Isabela (province) 1987 establishments in the Philippines Congressional districts of Cagayan Valley Constituencies established in 1987