Davy is a town in McDowell County, West Virginia, USA. The population was 420 at the 2010 census. An early variant name was Hallsville. Davy was incorporated in 1948. It is a mostly residential community in a coal mining district along the main line of the Norfolk Southern Railway.
According to the United States Census Bureau, the town has a total area of 1.29 square miles (3.34 km), of which, 1.27 square miles (3.29 km) is land and 0.02 square miles (0.05 km) is water.
As of the census of 2010, there were 420 people, 167 households, and 123 families residing in the town. The population density was 330.7 inhabitants per square mile (127.7/km). There were 192 housing units at an average density of 151.2 per square mile (58.4/km). The racial makeup of the town was 96.7% White, 2.6% African American, 0.2% Native American, and 0.5% from two or more races.
There were 167 households of which 33.5% had children under the age of 18 living with them, 51.5% were married couples living together, 14.4% had a female householder with no husband present, 7.8% had a male householder with no wife present, and 26.3% were non-families. 24.6% of all households were made up of individuals and 12.6% 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 2.94.
The median age in the town was 40 years. 22.6% of residents were under the age of 18; 8.8% were between the ages of 18 and 24; 27.2% were from 25 to 44; 26.7% were from 45 to 64; and 14.8% were 65 years of age or older. The gender makeup of the town was 51.4% male and 48.6% female.
As of the census of 2000, there were 373 people, 137 households, and 106 families residing in the town. The population density was 288.8 inhabitants per square mile (111.5/km). There were 170 housing units at an average density of 131.6 per square mile (50.8/km). The racial makeup of the town was 99.73% White and 0.27% Pacific Islander.
There were 137 households out of which 29.9% had children under the age of 18 living with them, 59.1% were married couples living together, 13.1% had a female householder with no husband present, and 22.6% were non-families. 21.2% of all households were made up of individuals and 10.2% had someone living alone who was 65 years of age or older. The average household size was 2.72 and the average family size was 3.13.
In the town, the population was spread out with 23.9% under the age of 18, 8.8% from 18 to 24, 28.7% from 25 to 44, 26.8% from 45 to 64, and 11.8% who were 65 years of age or older. The median age was 37 years. For every 100 females, there were 90.3 males. For every 100 females age 18 and over, there were 85.6 males.
The median income for a household in the town was $16,250, and the median income for a family was $23,000. Males had a median income of $15,417 versus $13,750 for females. The per capita income for the town was $8,116. About 37.3% of families and 41.8% of the population were below the poverty line, including 60.0% of those under age 18 and 15.4% of those age 65 or over.