| Puerto de Mejillones | |
| Settlement Type: | Province |
| Mapsize: | 200px |
| Subdivision Type: | Country |
| Subdivision Name: | Bolivia |
| Subdivision Type1: | Department |
| Subdivision Name1: | Oruro |
| Seat Type: | Capital |
| Seat: | La Rivera |
| Area Total Km2: | 759 |
| Population Total: | 1,130 |
| Population As Of: | 2001 |
| Population Density Km2: | 1.5 |
| Population Blank1 Title: | Ethnicities |
| Population Blank1: | Aymara, Quechua |
| Parts Type: | Municipalities |
| Parts Style: | para |
| Coordinates: | -19.0833°N -86°W |
| Demographics Type1: | Languages spoken |
| Demographics1 Title1: | Spanish |
| Demographics1 Info1: | 97.0% |
| Demographics1 Title2: | Aymara |
| Demographics1 Info2: | 66.6% |
| Demographics1 Title3: | Quechua |
| Demographics1 Info3: | 8.6% |
| Demographics Type2: | Sectors |
| Demographics2 Title1: | Agriculture |
| Demographics2 Title2: | General |
| Demographics2 Title3: | Industry |
| Timezone1: | BOT |
| Utc Offset1: | -4 |
Puerto de Mejillones is a province in the western parts of the Bolivian department of Oruro. It is one of the sixteen provinces in the Oruro Department. Its seat is La Rivera.
The province is located between 18° 53' and 19° 16' South and between 68° 10' and 68° 26' West. It is surrounded by Sabaya Province in the north, west and east, and it borders the Republic of Chile in the southwest. The province extends over 45 km from north to south, and 35 km from east to west.
Some of the highest mountains of the province are listed below:
The province comprises three municipalities which are further subdivided into cantons.
| Section | Municipality | Seat |
|---|---|---|
| 1st | La Rivera Municipality | La Rivera |
| 2nd | Todos Santos Municipality | Todos Santos |
| 3rd | Carangas Municipality | Carangas |
Main language of the province is Spanish, spoken by 97.0%, while 66.6% of the population speak Aymara and 8.6% Quechua (1992).
The population increased from 751 inhabitants (1992 census) to 1,130 (2001 census), an increase of 50%.
42.6% of the population are younger than 15 years old (1992).
74% of the population have no access to electricity, 73% have no sanitary facilities (1992).
83.8% of the population are employed in agriculture, 1.0% in industry, 15.2% in general services (2001).
74% of the population are Catholics, 18% are Protestants (1992).