Barrios of Puerto Rico

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Barrios of Puerto Rico are the third-level geographic divisions inside Puerto Rico’s 78 municipalities. There are 902 barrios in total, with 828 being barrios proper and 74 barrios-pueblos. Barrios act like wards or small districts within a municipality and are used as the main legal land divisions today, while also helping with statistics.

Each municipality has barrios, and many barrios are further divided into subbarrios, communities, and sectors. The downtown area in most towns is called barrio-pueblo (literally “neighborhood-town”) and is usually the historic center, home to the main plaza, town hall, and a church. The exceptions are Florida, Ponce, and San Juan, where the setup differs. Every municipality has at least one barrio-pueblo.

Barrios were created mainly in the 19th century. Their names come from Spanish or Indigenous origins. Over time, the number and names of barrios changed as towns grew and merged. By the US Census, there are 902 barrios. Florida has the fewest, while Ponce has the most, with 31.

Some barrios have subbarrios. For example, Santurce in San Juan has 40 subbarrios. Others, like Barrio Lapa in Salinas, cover large areas (Lapa is more than 24 square miles, larger than many municipalities). Some places also include comunidades, such as Esperanza in Vieques, which are subdivisions of a barrio but not called subbarrios. Barrios are also divided into sectores, with types such as urbanización, reparto, barriada, and residencial. Cañaboncito barrio in Caguas has more than 90 sectors.

Historically, barrios did have local political authority, but today they do not. Municipal governments handle local governance, while barrios remain important as geographic and property-reference units. Barrios are used for land ownership, property deeds, and official maps.

Officially established barrio boundaries were created after a 1945 law (Ley Num. 68) requiring the Planning Board to map each municipality and its barrios. Sometimes people use “barrio” informally to mean a populated neighborhood within a barrio, which can cause confusion. For example, a birthplace reference might point to a sector that isn’t an official barrio.

Boundaries in Puerto Rico were once described with landmarks like mountains or trees. To reduce ambiguity, a 2002 initiative started describing boundaries with GPS coordinates. The GPS data for barrios is now available through a government portal.