In the April 2010 elections, the MPS won the mayor's office in 6 municipalities: Achacachi, Mecapaca, Escoma, Sorata, Combaya, and Pucarani.
[2] In the 2015 regional election, prominent peasant leader (and former head of the CSUTCB) Felipe Quispe ran for governor of La Paz Department with the MPS.
Indigenous intellectual and MAS-IPSP dissident Felix Patzi defected from his alliance the MPS to run with SOL.bo and win the race for governor.
It elected mayors to govern Ancoraimes, Comanche, Charaña, Callapa, Mocomoco, Guanay, Guaqui, Desaguadero, Chulumani, Batallas, Colquencha, Ixiamas, Tito Yupanqui, Santiago de Machaca, and Alto Beni.
In December 2015, three MPS mayors—Beatriz Arce of Guaqui, Wilfredo Acarapi of Desaguadero, and Martín Villalobos of Charaña—announced their support for President Evo Morales and received national government funds for projects in their towns.