The Legislative Districts of La Union, namely the first and second districts, are the representations of the Province of La Union in the Philippine House of Representatives. The province has been divided into two congressional districts since 1907. It was part of the representation of Region I from 1978 to 1984, and it elected 2 assemblymen at-large to the Regular Batasang Pambansa from 1984 to 1986.
City: San Fernando City
Municipalities: Bacnotan, Balaoan, Bangar, Luna, San Juan, San Gabriel (transferred from Mountain Province 1920; only allowed to elect representative starting 1935), Santol (transferred from Mountain Province 1920; only allowed to elect representative starting 1935), Sudipen (transferred from Mountain Province 1920; only allowed to elect representative starting 1935)
Population (2015): 359,719
Municipalities: Bacnotan, Balaoan, Bangar, Luna, San Fernando, San Juan
Municipalities: Agoo, Aringay, Bauang, Caba, Naguilian, Rosario, Santo Tomas, Tubao, Bagulin (transferred from Mountain Province 1920; only allowed to elect representative starting 1935), Burgos (Disdis) (transferred from Mountain Province 1920; only allowed to elect representative starting 1935), Pugo (transferred from Mountain Province 1920; only allowed to elect representative starting 1935)
Population (2015): 426,653
Municipalities: Agoo, Aringay, Bauang, Caba, Naguilian, Rosario, Santo Tomas, Tubao
Legislative districts of La Union Wikipedia (Text) CC BY-SA