Silver Lake, North Carolina  Silver Lake is a census-designated place in New Hanover County, North Carolina, United States. The population was 5,598 at the 2010 census, down from 5,788 in 2000. It is part of the Wilmington Metropolitan Statistical Area. Silver Lake is located at (34.148678, -77.911082). According to the United States Census Bureau, the CDP has a total area of .6.6 square miles (17.0 km²) of it is land and 0.15% is water. As of the census of 2000, there were 5,788 people, 2,280 households, and 1,566 families residing in the CDP. The population density was 882.0 people per square mile (340.7/km²). There were 2,449 housing units at an average density of 373.2 per square mile (144.1/km²). The racial makeup of the CDP was 88.23% White, 8.00% African American, 0.59% Native American, 1.21% Asian, 0.10% Pacific Islander, 0.81% from other races, and 1.05% from two or more races. Hispanic or Latino of any race were 2.16% of the population. There were 2,280 households out of which 33.9% had children under the age of 18 living with them, 54.2% were married couples living together, 10.9% had a female householder with no husband present, and 31.3% were non-families. 21.7% of all households were made up of individuals and 3.6% had someone living alone who was 65 years of age or older. The average household size was 2.51 and the average family size was 2.97. In the CDP, the population was spread out with 25.2% under the age of 18, 9.5% from 18 to 24, 35.1% from 25 to 44, 22.5% from 45 to 64, and 7.7% who were 65 years of age or older. The median age was 33 years. For every 100 females, there were 93.1 males. For every 100 females age 18 and over, there were 89.7 males. The median income for a household in the CDP was $41,732, and the median income for a family was $49,434. Males had a median income of $36,631 versus $22,444 for females.