Green Level, North Carolina is also the name of an unincorporated community in Wake County.
According to the United States Census Bureau, the town has a total area of 1.4 square miles (3.7 km²), all of it land.
There were 741 households out of which 33.5% had children under the age of 18 living with them, 44.5% were married couples living together, 23.5% had a female householder with no husband present, and 25.1% were non-families. 21.2% of all households were made up of individuals and 8.1% had someone living alone who was 65 years of age or older. The average household size was 2.76 and the average family size was 3.18.
In the town the population was spread out with 27.9% under the age of 18, 8.0% from 18 to 24, 31.0% from 25 to 44, 22.4% from 45 to 64, and 10.7% who were 65 years of age or older. The median age was 35 years. For every 100 females there were 88.6 males. For every 100 females age 18 and over, there were 86.5 males.
The median income for a household in the town was $31,793, and the median income for a family was $34,242. Males had a median income of $23,143 versus $21,161 for females. The per capita income for the town was $12,403. About 10.3% of families and 11.9% of the population were below the poverty line, including 12.9% of those under age 18 and 21.4% of those age 65 or over.