Lisburn City Council was the local authority for an area partly in County Antrim and partly in County Down in Northern Ireland. As of May 2015 it was merged with Castlereagh Borough Council as part of the reform of local government in Northern Ireland to become Lisburn and Castlereagh City Council. Created in 1974, the council was the second largest in the Belfast Metropolitan Area. Council headquarters were in the city of Lisburn. It was the second-largest council area in Northern Ireland with over 120,000 people and an area of of southwest Antrim and northwest Down. The council area included Glenavy and Dundrod in the north, Dromara and Hillsborough in the south, Moira and Aghalee in the west, and Drumbo in the east. The council area consisted of five electoral areas: Downshire, Dunmurry Cross, Killultagh, Lisburn Town North and Lisburn Town South. It had 30 councillors, last elected in 2011. The final composition was: 14 Democratic Unionist Party (DUP), 5 Ulster Unionist Party (UUP), 5 Sinn Féin, 3 Alliance Party and 3 Social Democratic and Labour Party (SDLP). For elections to the Westminster Parliament, the council area was split between the Lagan Valley constituency, Belfast West and South Antrim constituencies. The first elections for the new council took place in May 2014. Constituent cities, towns and villages Aghalee Annahilt Dunmurry Drumbo Dromara Glenavy Hillsborough Lisburn Maghaberry Moira Summary of seats won 1973-2011 Notes: The independent elected in 1997 was Hugh Lewsley, a former SDLP councillor. William Beattie was elected as a "Protestant Unionist" in 1997, but is tallied as an Independent Unionist above. New legislation introduced for the 2001 elections required candidates to register party names for these to appear on the ballot paper, this also made it impossible for candidates to stand as Independent Unionist. The UDP missed the deadline for registration and their candidate, party leader Gary McMichael, was elected as an independent. The other candidate elected as an independent in 2001, described himself as a Unionist on the council website. Source: ARK Retrieved 13 January 2013 2011 Election results 2011 saw the continued advancement of the DUP and Sinn Féin within the council Area. In Downshire, the DUP picked up a seat from the UUP, and in Dunmurry Cross, Sinn Féin gained from the SDLP. However the SDLP loss was compensated by changing demographics in the Lisburn Town North DEA, where the SDLP took a seat for