List of municipalities in Castile and León

The following list is of important municipalities in the Castile and León, an autonomous community of Spain:
Provincial lists
The following links are to lists which are more detailed province-specific, and all municipalities in a given province are ranked by population.
- List of municipalities in Ávila
 - List of municipalities in Burgos
 - List of municipalities in León
 - List of municipalities in Palencia
 - List of municipalities in Salamanca
 - List of municipalities in Soria
 - List of municipalities in Valladolid
 - List of municipalities in Zamora
 
By population
| Rank | Name | Population (2024)[1] | 
|---|---|---|
| 1 | Valladolid | 300,618 | 
| 2 | Burgos | 175,895 | 
| 3 | Salamanca | 144,436 | 
| 4 | León | 122,243 | 
| 5 | Palencia | 76,738 | 
| 6 | Ponferrada | 62,994 | 
| 7 | Zamora | 59,506 | 
| 8 | Ávila | 58,111 | 
| 9 | Segovia | 51,525 | 
| 10 | Soria | 40,750 | 
| 11 | Miranda de Ebro | 36,018 | 
| 12 | Aranda de Duero | 33,757 | 
| 13 | San Andrés del Rabanedo | 29,884 | 
| 14 | Laguna de Duero | 22,907 | 
| 15 | Arroyo de la Encomienda | 22,268 | 
| 16 | Medina del Campo | 20,097 | 
| 17 | Villaquilambre | 18,647 | 
| 18 | Benavente | 17,246 | 
| 19 | Santa Marta de Tormes | 14,726 | 
| 20 | Béjar | 11,957 | 
| 21 | Ciudad Rodrigo | 11,846 | 
| 22 | Astorga | 10,308 | 
| 22 | El Espinar | 10,145 | 
| 23 | La Bañeza | 10,023 | 
| 24 | Cuéllar | 9,530 | 
| 25 | Cistérniga | 9,281 | 
| 26 | Tudela de Duero | 8,786 | 
| 27 | Tordesillas | 8,638 | 
| 28 | Toro | 8,369 | 
| 30 | Bembibre | 8,158 |