Wilson-Conococheague is a census-designated place (CDP) in Washington County, Maryland, United States. The population was 2,262 at the 2020 census.
Wilson-Conococheague is located at 39°38′49″N 77°50′03″W.According to the United States Census Bureau, the CDP has a total area of 5.0 square miles (12.9 km2), of which 4.9 square miles (12.6 km2) is land and 0.1 square mile (0.3 km2) (2.61%) is water.
As of the census of 2000, there were 1,885 people, 718 households, and 549 families living in the CDP. The population density was 387.3 people per square mile (149.4/km2). There were 752 housing units at an average density of 154.5/sq mi (59.6/km2). The racial makeup of the CDP was 97.82% White, 1.06% African American, 0.05% Native American, 0.42% Asian, 0.21% from other races, and 0.42% from two or more races. Hispanic or Latino of any race were 0.58% of the population.
There were 718 households, out of which 35.9% had children under the age of 18 living with them, 63.0% were married couples living together, 9.5% had a female householder with no husband present, and 23.5% were non-families. 18.4% of all households were made up of individuals, and 8.6% had someone living alone who was 65 years of age or older. The average household size was 2.63 and the average family size was 2.98.
In the CDP, the population was spread out, with 25.9% under the age of 18, 6.0% from 18 to 24, 32.6% from 25 to 44, 22.9% from 45 to 64, and 12.6% who were 65 years of age or older. The median age was 36 years. For every 100 females, there were 97.6 males. For every 100 females age 18 and over, there were 93.8 males.
The median income for a household in the CDP was $38,389, and the median income for a family was $39,256. Males had a median income of $31,505 versus $21,250 for females. The per capita income for the CDP was $15,951. About 5.6% of families and 7.4% of the population were below the poverty line, including 2.9% of those under age 18 and 15.6% of those age 65 or over.