Abra has been represented in the country's various national legislatures since 1898.

[3] The first congressional delegation consisted of two members in the First Philippine Republic legislature known as the Malolos Congress.

Since 1917 when it was re-established as a regular province separate from Ilocos Sur, Abra has been entitled to one member in the House of Representatives of the Philippines, elected provincewide at-large, except for a brief period between 1943 and 1944 when it was again represented by two members in the National Assembly of the Second Philippine Republic.

[4] From 1978 to 1984, all provinces were converted into multi-seat regional at-large districts for the Interim Batasang Pambansa of the Fourth Philippine Republic, with Abra forming part of the twelve-seat Region I's at-large district.

[4] The district is currently represented in the 19th Congress by Menchie Bernos of the Lakas–CMD.