| Official Name: | Río Lajas |
| Settlement Type: | Barrio |
| Pushpin Map: | Caribbean |
| Pushpin Map Caption: | Location of Puerto Rico |
| Coordinates: | 18.376°N -66.2944°W |
| Coordinates Footnotes: | [1] |
| Subdivision Type: | Commonwealth |
| Subdivision Name: |  Puerto Rico |
| Subdivision Type1: | Municipality |
| Subdivision Name1: | Toa Alta |
| Unit Pref: | Imperial |
| Area Total Sq Mi: | 3.73 |
| Area Land Sq Mi: | 3.73 |
| Area Water Sq Mi: | 0 |
| Population As Of: | 2010 |
| Population Note: | Source: 2010 Census |
| Population Total: | 2566 |
| Population Density Sq Mi: | 687.9 |
| Timezone: | AST |
| Utc Offset: | -4 |
| Elevation Ft: | 394 |
| Postal Code Type: | ZIP Code |
Río Lajas is a barrio in the municipality of Toa Alta, Puerto Rico. Its population in 2010 was 2,566.[2] [3] [4]
Río Lajas was in Spain's gazetteers[5] until Puerto Rico was ceded by Spain in the aftermath of the Spanish–American War under the terms of the Treaty of Paris of 1898 and became an unincorporated territory of the United States. In 1899, the United States Department of War conducted a census of Puerto Rico finding that the population of Río Lajas barrio was 973.[6]
Barrios (which are, in contemporary times, roughly comparable to minor civil divisions)[7] in turn are further subdivided into smaller local populated place areas/units called sectores (sectors in English). The types of sectores may vary, from normally sector to urbanización to reparto to barriada to residencial, among others.[8] [9]
The following sectors are in Río Lajas barrio:[10]
Spanish; Castilian: Calles: Almendro, Cedro, Bambú, Deloniz, Guayacán, Higüero, Laurel, Jacaranda, Kamani, India Laurel, Maga, Níspero, Ébano, Potones, Ceiba, Ibisco, Sector Jazmín, Sector La Cuchilla, Sector Marrero, Sector Marzán, Sector Nilo, Sector Rivera, Sector Ayala, Sector Rufo Rodríguez, Urbanización Haciendas de Dorado, Urbanización Valle del Paraíso, Urbanización Vista del Río I, and Spanish; Castilian: Urbanización Vista del Río III.