Magueyes has of land area and no water surface area. In 2000, the population of Magueyes was 6,134 persons, and it had a density of 1,345 persons per square mile. Magueyes is the ninth most populous barrio in the municipality. In 2010, the population of Magueyes was 5,947 persons, and it had a density of 1,307 persons per square mile. Running all along the full length of Magueyes is
Rio Canas, which effectively divides the barrio in two almost identically sized areas. The communities of Corral Viejo, Las Delicias, El Madrigal, Estancias de Country Club, Lomas de Country Club, Granada Hills, Reparto Lomas del Sol, Reparto El Valle, and (
Parcelas) Magueyes proper are located in Magueyes. The main road serving Barrio Magueyes is
PR-123.
PR-501 also makes a short appearance in the lower southwestern part of the barrio. The highest point of barrio Magueyes stands at 2,066 feet and is located at the extreme northeast tip of the barrio. {{US Census population| align= right ==Landmarks==