An election to all 18 seats on Monaghan County Council was held on 7 June 2024 as part of the 2024 Irish local elections.

[1] County Monaghan is divided into 3 local electoral areas (LEAs) to elect councillors for a five-year term of office on the electoral system of proportional representation by means of the single transferable vote (PR-STV).

[2] The following councillors are not seeking re-election: Monaghan proved to be a success story for Sinn Féin as the party re-captured a seat in Carrickmacross-Castleblayney from Fianna Fáil which they had lost at the last local election in 2019 and Sinn Féin also took a second seat in Ballybay-Clones with the retirement of the outgoing Independent, Hughie McElvaney to emerge as the largest party with 8 seats.

Independent and former TD, Paudge Connolly, also lost his seat in the Monaghan LEA to Fine Gael who increased their numbers to 7.

Fianna Fáil declined further to just 3 seats in number.