This is the results breakdown of the local elections held in Castile and León on 24 May 2015. The following tables show detailed results in the autonomous community's most populous municipalities, sorted alphabetically. Opinion polls City control The following table lists party control in the most populous municipalities, including provincial capitals (shown in bold). Gains for a party are displayed with the cell's background shaded in that party's colour. Municipalities Ávila Population: 58,933 Burgos Population: 177,776 León Population: 129,551 Palencia Population: 80,178 Ponferrada Population: 67,367 Salamanca Population: 148,042 Segovia Population: 53,260 Soria Population: 39,516 Valladolid Population: 306,830 Zamora Population: 64,423 See also 2015 Castilian-Leonese regional election References Castile and León 2015