Between 1832 and 1885 (then formally the Northern Division of Northumberland) , it was represented by two Members of Parliament, elected by the bloc vote system.

The area was created by the Great Reform Act 1832 by the splitting of Northumberland constituency into Northern and Southern divisions.

It was abolished by the Redistribution of Seats Act 1885, when Northumberland was divided into four single member divisions: Berwick-upon-Tweed, Hexham, Tyneside and Wansbeck.

2024–present: The County of Northumberland electoral divisions (as they existed on 1 December 2020) of Alnwick, Amble, Amble West with Warkworth, Bamburgh, Berwick East, Berwick North, Berwick West with Ord, Druridge Bay, Longhoughton, Lynemouth, Morpeth Kirkhill, Morpeth North, Morpeth Stobhill, Norham and Islandshires, Pegswood, Rothbury, Shilbottle and Wooler.

[5] Constituency created (1832) Berwick-upon-Tweed prior to 2024 Grey was appointed as Secretary at War, requiring a by-election.