| Mostazal | |
| Settlement Type: | Commune |
| Flag Alt: | Flag |
| Shield Alt: | Coat of arms |
| Map Alt: | Map of Mostazal commune in O'Higgins Region |
| Coordinates: | -33.9833°N -111°W |
| Pushpin Map: | Chile |
| Pushpin Map Narrow: | yes |
| Pushpin Label Position: | bottom |
| Pushpin Map Alt: | Location in Chile |
| Pushpin Map Caption: | Location in Chile |
| Subdivision Type: | Country |
| Subdivision Name: | Chile |
| Subdivision Type1: | Region |
| Subdivision Name1: | O'Higgins Region |
| Subdivision Type2: | Province |
| Subdivision Name2: | Cachapoal Province |
| Government Footnotes: | [1] |
| Government Type: | Municipality |
| Leader Title: | Alcalde |
| Leader Name: | Sergio Medel Acosta |
| Unit Pref: | Metric |
| Area Footnotes: | [2] |
| Area Total Km2: | 523.9 |
| Elevation M: | 486 |
| Population Total: | 23430 |
| Population As Of: | 2012 Census |
| Population Density Km2: | auto |
| Population Blank1 Title: | Urban |
| Population Blank1: | 17903 |
| Population Blank2 Title: | Rural |
| Population Blank2: | 3963 |
| Demographics Type1: | Sex |
| Demographics1 Title1: | Men |
| Demographics1 Info1: | 11,038 |
| Demographics1 Title2: | Women |
| Demographics1 Info2: | 10,828 |
| Area Code: | (+56) 72 |
| Website: | Municipality of Mostazal |
Mostazal (pronounced as /es/) is a Chilean commune in Cachapoal Province, O'Higgins Region. The capital of the commune is the city of San Francisco de Mostazal.
The commune spans an area of 523.9sqkm.[2] The Plaza de San Francisco has an elevation of 500m (1,600feet).
According to the 2002 census of the National Statistics Institute, Mostazal has 21,866 inhabitants (11,038 men and 10,828 women). Of these, 17,903 (81.9%) lived in urban areas and 3,963 (18.1%) in rural areas. The population grew by 20.6% (3,728 persons) between the 1992 and 2002 censuses.[2]
As a commune, Mostazal is a third-level administrative division of Chile administered by a municipal council, headed by an alcalde who is directly elected every four years. The 2008-2012 alcalde is Sergio Medel Acosta. The council has the following members:[1]
Within the electoral divisions of Chile, Mostazal is represented in the Chamber of Deputies by Eugenio Bauer (UDI) and Ricardo Rincón (PDC) as part of the 33rd electoral district, together with Graneros, Codegua, Machalí, Requínoa, Rengo, Olivar, Doñihue, Coinco, Coltauco, Quinta de Tilcoco and Malloa. The commune is represented in the Senate by Andrés Chadwick Piñera (UDI) and Juan Pablo Letelier Morel (PS) as part of the 9th senatorial constituency (O'Higgins Region).