Results breakdown of the 1979 Spanish local elections (Castile and León)

This is the results breakdown of the local elections held in Castile and León on 3 April 1979. The following tables show detailed results in the autonomous community's most populous municipalities, sorted alphabetically.

City control
The following table lists party control in the most populous municipalities, including provincial capitals (shown in bold).

Ávila

 * Population: 37,302

Burgos

 * Population: 145,473

León

 * Population: 120,761

Palencia

 * Population: 65,896

Ponferrada

 * Population: 52,488

Salamanca

 * Population: 141,474

Segovia

 * Population: 48,623

Soria

 * Population: 28,845

Valladolid

 * Population: 308,523

Zamora

 * Population: 54,819