In 2004, Algarrobo in Aibonito was one of the 742 places on the list of
marginalized communities (Comunidades Especiales de Puerto Rico); identified as such by the Puerto Rico Office for Socioeconomic and Community Development.[8]
U.S. Decennial Census 1899 (shown as 1900)[9] 1910-1930[10] 1930-1950[11] 1980-2000[12] 2010[13]
Sectors
Barrios (which are, in contemporary times, roughly comparable to
minor civil divisions)[14] 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.[15][16][17]
The following sectors are in Algarrobo barrio:[18]
^Rivera Quintero, Marcia (2014), El vuelo de la esperanza:Proyecto de las Comunidades Especiales Puerto Rico, 1997-2004 (Primera edición ed.), San Juan, Puerto Rico Fundación Sila M. Calderón, p. 273,
ISBN978-0-9820806-1-0
^Rivera Quintero, Marcia (2014), El vuelo de la esperanza: Proyecto de las Comunidades Especiales Puerto Rico, 1997-2004 (first ed.), San Juan, Puerto Rico Fundación Sila M. Calderón,
ISBN978-0-9820806-1-0
^"Leyes del 2001". Lex Juris Puerto Rico (in Spanish). Retrieved 24 June 2020.
^"PRECINTO ELECTORAL AIBONITO 069"(PDF). Comisión Estatal de Elecciones (in Spanish). PR Government. 21 September 2019. Archived from
the original(PDF) on 22 July 2020. Retrieved 2 July 2019.