| Official Name: | Machuelo Abajo |
| Native Name Lang: | es |
| Settlement Type: | Barrio |
| Pushpin Map: | Caribbean |
| Pushpin Map Caption: | Location of Puerto Rico |
| Coordinates: | 18.025°N -66.5962°W |
| Coordinates Footnotes: | [1] |
| Subdivision Type: | Commonwealth |
| Subdivision Name: |  Puerto Rico |
| Subdivision Type1: | Municipality |
| Subdivision Name1: | Ponce |
| Unit Pref: | Imperial |
| Area Total Sq Mi: | 1.86 |
| Area Land Sq Mi: | 1.79 |
| Area Water Sq Mi: | 0.07 |
| Population As Of: | 2010 |
| Population Note: | Source: 2010 Census |
| Population Total: | 11855 |
| Population Density Sq Mi: | 6622.9 |
| Timezone: | AST |
| Utc Offset: | -4 |
| Elevation Ft: | 85 |
Machuelo Abajo is one of the 31 barrios of the municipality of Ponce, Puerto Rico. Along with Canas Urbano, Magueyes Urbano, Portugués Urbano, and San Antón, Machuelo Abajo is one of the municipality's five originally rural barrios that are now also part of the urban zone of the city of Ponce. It was founded in 1818.[2] [3]
Machuelo Abajo is an urban barrio located in the southern section of the municipality, in the northeast portion of the city of Ponce, within the Ponce city limits, at latitude 18.024217 N, and longitude -66.600217 W.[4]
Machuelo Abajo is bounded on the North by Tito Castro Avenue/PR-14 (roughly), on the South by Miguel Pou Boulevard (roughly), and Abaisin Street, on the West by Rio Portugues, and on the East by Los Negrones Hill, Rio Bucana, and Emilio Fagot Street (roughly).[5] [6]
In terms of barrio-to-barrio boundaries, Machuelo Abajo is bounded in the North by Machuelo Arriba, in the South by San Anton and Sabanetas, in the West by Quinto and Sexto, and in the East by Sabanetas.
Machuelo Abajo is home to the communities of Jardines Fagot, La Rambla, La Alhambra, Extension La Alhambra, Flamboyanes, Bella Vista, Santa Clara, and Riberas del Bucana.[7] In addition the communities of Residencial Dr. Pila, Villa Esperanza, and Valle Verde, make their home there as well.[6]
Machuelo Abajo has 1.77sqmi of land area and 0.09sqmi of water area.[8] In 2000, the population of Machuelo Abajo was 13,302 persons, and it had a density of 7,522 persons per square mile.[9] [8]
In 2010, the population of Machuelo Abajo was 11,855 persons, and it had a density of 6,622.9 persons per square mile.[10]
The highest point in Barrio Machuelo Abajo is Cerro Los Negrones at 397 feet, located northwest of Mercedita Airport.[11]
Río Bucaná runs a stretch of its course (channelized) through barrio Machuelo Abajo. The new Hospital San Lucas is located in Machuelo Abajo where the old Ponce District Hospital was located on Puerto Rico Highway 14.[12]