Duey is a barrio in the municipality of Yauco, Puerto Rico. According to the 2010 Census, it had a population of 1,108 inhabitants and a population density of 129.21 people per kmò.
Duey is located at the coordinates 18ð5â²36â³N 66ð50â²23â³W. According to the United States Census Bureau, Duey has a total area of 8.58 kmò, of which 8.56 kmò is land and 0.02 kmò (0.18%) is water.
Duey was in Spain's gazetteers until Puerto Rico was ceded by Spain in the aftermath of the SpanishâÂÂAmerican 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 Duey barrio was 1,264.