Black Mountain is a District Electoral Area used to elect 7 councillors to Belfast City Council.

It combined 4 of the 6 wards from the abolished Upper Falls DEA with 3 of the 5 wards from the abolished Lower Falls DEA.

In the 2014 election it elected 5 Sinn Féin councillors, 1 Social Democratic and Labour Party councillor, and Gerry Carroll of the People Before Profit Alliance.

In the 2019 election Sinn Fein gained a sixth seat from the SDLP.

In the 2023 election, the SDLP regained a seat at the expense of People Before Profit.