Pearl City is a census-designated place located in the ʻEwa District and City & County of Honolulu on the Island of Oʻahu. As of the 2010 Census, the CDP had a total population of 47,698. Pearl City is located along the north shore of Pearl Harbor. ʻAiea borders Pearl City to the east, while Waipahu borders the west. The U.S. postal code for Pearl City is 96782. Pearl City is located at 21°24'30" North, 157°58'1" West . According to the United States Census Bureau, the CDP has a total area of 5.8 square miles , of which, 5.0 square miles of it is land and 0.8... square miles of it is water. The total area is 14.29% water. As of the census of 2010, there were 47,698 people, 14,622 households, and 7,288 families residing in the CDP. The population density was 6,215.5 people per square mile . There were 9,181 housing units at an average density of 1,842.2 per square mile . The racial makeup of the CDP was 17.24% White, 2.71% African American, 0.27% Native American, 53.42% Asian, 6.15% Pacific Islander, 1.41% from other races, and 18.81% from two or more races. 7.
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