Myrtle Grove, North Carolina

As of the 2020 United States census, there were 11,476 people, 4,172 households, and 3,222 families residing in the CDP.

As of the census[3] of 2000, there were 7,125 people, 2,839 households, and 2,222 families residing in the CDP. The population density was 1,037.4 inhabitants per square mile (400.5/km²). There were 3,021 housing units at an average density of 439.9 per square mile (169.8/km²). The racial makeup of the CDP was 94.54% White, 3.55% African American, 0.17% Native American, 0.86% Asian, 0.11% Pacific Islander, 0.14% from other races, and 0.63% from two or more races. Hispanic or Latino of any race were 0.93% of the population.

There were 2,839 households, out of which 32.2% had children under the age of 18 living with them, 67.2% were married couples living together, 7.9% had a female householder with no husband present, and 21.7% were non-families. 16.3% of all households were made up of individuals, and 4.9% 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 2.80.

In the CDP, the population was spread out, with 22.5% under the age of 18, 6.0% from 18 to 24, 29.4% from 25 to 44, 30.8% from 45 to 64, and 11.3% who were 65 years of age or older. The median age was 40 years. For every 100 females, there were 98.1 males. For every 100 females age 18 and over, there were 96.5 males.

The median income for a household in the CDP was $55,242, and the median income for a family was $60,850. Males had a median income of $40,638 versus $25,597 for females. The per capita income for the CDP was $28,775. About 4.4% of families and 5.8% of the population were below the poverty line, including 8.0% of those under age 18 and 2.3% of those age 65 or over.