As of the census of 2000, there were 19,565 people, 6,432 households, and 5,107 families residing in the CDP. The population density was 5,592.8 per square mile (2,158.3/km2). There were 6,535 housing units at an average density of 1,868.1/sq mi (720.9/km2). The racial makeup of the CDP was 74.91% White, 12.34% African American, 0.20% Native American, 2.23% Asian, 0.03% Pacific Islander, 2.47% from other races, and 1.90% from two or more races. Hispanic or Latino of any race were 7.49% of the population. The most eastern part of East Massapequa, formerly known as "West Amityville", makes up East Massapequa's African American and Hispanic population. This most eastern part of this hamlet is also part of the Amityville school district.