Pearl City is an unincorporated community and census-designated place (CDP) in the Ewa District and City & County of Honolulu on the Island of Oahu. As of the 2010 census, the CDP had a population of 47,698. Pearl City is along the north shore of Pearl Harbor. Waimalu borders Pearl City to the east and Waipahu borders the west. The U.S. postal code for Pearl City is 96782. History Early-day Pearl City had an array of rice paddies and fields that were plowed with water buffalo that hauled a two-wheeled cart. In the early 1880s, Pearl City was the final stop for Benjamin Franklin Dillingham's Oahu Railway, a mud wagon driven by a four-horse team. Lots for a yet-to-exist "Pearl City" went on sale in 1889, after completion of the rail line. Near the outskirts of Pearl City, the Remond Grove, an area where people were entertained by piano, banjo, trumpet, and saxophone performances, was a popular entertainment spot in the early 1900s. Geography Pearl City is located at 21°24'30" North, 157°58'1" East (21.408333, −157.966902). According to the United States Census Bureau, the CDP has an area of , of which is land and is water. The total area is 14.29% water. Average winter high (January 28): 79 degrees Average winter low (January 28): 66 degrees Average summer high (August 23): 87 degrees Average summer low (August 23): 74 degrees Average annual precipitation: 64 inches Demographics 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 . There were 9,181 housing units at an average density of . The racial makeup of the CDP was 59.57% Asian-Pacific Islander, 17.24% White, 2.71% African American, 0.27% Native American, 1.41% from other races, and 18.81% from two or more races. 7.30% of the population were Hispanic or Latino of any race. There were 8,922 households, of which 25.2% had children under the age of 18 living with them, 63.9% were married couples living together, 12.3% had a female householder with no husband present, and 18.3% were non-families. 14.9% of all households were made up of individuals, and 6.6% had someone living alone who was 65 years of age or older. The average household size was 3.17 and the average family size was 3.48. In the CDP, the population was spread out, with 18.8% under the age of 18, 13.7% from