Mar-Mac, North Carolina  Mar-Mac is a census-designated place (CDP) in Wayne County, North Carolina, United States. The population was 3,011 at the 2007 census. It is included in the Goldsboro, North Carolina Metropolitan Statistical Area. Mar-Mac is located at (35.331502, -78.046751). According to the United States Census Bureau, the CDP has a total area of , of which, of it is land and of it (0.68%) is water. As of the census of 2000, there were 3,004 people, 1,232 households, and 868 families residing in the CDP. The population density was 685.7 people per square mile (264.8/km²). There were 1,485 housing units at an average density of 338.9 per square mile (130.9/km²). The racial makeup of the CDP was 75.00% White, 19.54% African American, 0.53% Native American, 1.50% Asian, 2.10% from other races, and 1.33% from two or more races. Hispanic or Latino of any race were 3.16% of the population. There were 1,232 households out of which 30.3% had children under the age of 18 living with them, 54.1% were married couples living together, 13.4% had a female householder with no husband present, and 29.5% were non-families. 24.0% of all households were made up of individuals and 8.2% had someone living alone who was 65 years of age or older. The average household size was 2.43 and the average family size was 2.88. In the CDP, the population was spread out with 22.5% under the age of 18, 9.5% from 18 to 24, 28.9% from 25 to 44, 26.8% from 45 to 64, and 12.4% who were 65 years of age or older. The median age was 38 years. For every 100 females, there were 97.0 males. For every 100 females age 18 and over, there were 93.1 males. The median income for a household in the CDP was $40,145, and the median income for a family was $43,235. Males had a median income of $30,279 versus $21,715 for females. The per capita income for the CDP was $18,794.