The contents of the constiuency were defined as comprising the area of the West Lothian Council other than that part in the Linlithgow and East Falkirk constituency.

Further to reviews of local government ward boundaries which came into effect in 2007 and 2017, but did not affect the parliamentary boundaries, the constituency comprised the West Lothian Council wards or part wards of Linlithgow (small part), Broxburn, Uphall and Winchburgh (apart from a very small area), Livingston North, Livingston South, East Livingston and East Calder, Fauldhouse and the Breich Valley, Whitburn and Blackburn (small part).

The constituency covers the eastern portion of the West Lothian council area, and is dominated by Livingston.

On 8 February 2010, Devine was suspended from the Labour Party after he was charged with a criminal offence in relation to his parliamentary expenses.

Morrice was defeated by Hannah Bardell of the Scottish National Party (SNP) five years later.