Fianna Fáil emerged as the largest party after the elections as both Government parties suffered at the polls. Labour lost 2 thirds of her Councillors being reduced to just 2 seats while Fine Gael also lost 3 seats. Sinn Féin won seats on the Council for the first time, 3 in total, and were joined by 2 Independents.[1][2]
† Athlone Independent Cllr Kevin (Boxer) Moran was elected as a TD for Longford-Westmeath at the Irish general election, 2016. Ailish McManus was co-opted to fill the vacancy on 21 March 2016.[1]
†† Mullingar-Coole Fine Gael Cllr Peter Burke was elected as TD for Longford-Westmeath at the Irish general election, 2016. Emily Wallace was co-opted to fill the vacancy on 21 March 2016.[2]
††† Mullingar-Coole Fianna Fáil Cllr Aidan Davitt was elected to Seanad Éireann in April 2016. Bill Collentine was co-opted to fill the vacancy on 13 June 2016.[3]
†††† Mullingar-Kilbeggan Fianna Fáil Cllr Paul Daly was elected to Seanad Éireann in April 2016. Liam McDaniel was co-opted to fill the vacancy on 13 June 2016.[4]
††††† Mullingar-Kilbeggan Fianna Fáil Cllr Avril Whitney resigned her seat for personal reasons on 31 May 2017.[5] In September 2017 Brian Crum was co-opted to fill the vacancy.[6]
†††††† Athlone Sinn Féin Cllr Paul Hogan resigned from the party and became an Independent on 30 July 2018 saying the party had isolated and ostracised him since October 2015.[7]
††††††† Mullingar-Coole Sinn Féin Cllr Una D'Arcy resigned from the party and became an Independent on 22 January 2019 saying that she didn't have the support she needed and that she didn't align with its views.[8]