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The 1887 Puerto Rico census was a population census held in Puerto Rico, the last population census under Spanish rule. Under Spanish rule, censuses had been taken at irregular intervals in Puerto Rico between 1765 and 1887. After 1887, the following Puerto Rican census of 1899 was held during US rule.
At 474,933 people, 59.5% of the population was white. The total "colored" (non-white/Black) population was 323,632 people. 246,647 people were classified as Mulattos, making up 76.2% of the total non-white population.