Davidsville is a census-designated place (CDP) in Somerset County, Pennsylvania, United States. The population was 1,119 at the 2000 census. It is part of the Johnstown, Pennsylvania Metropolitan Statistical Area. Davidsville is part of the municipality of Conemaugh Township, Somerset County, Pennsylvania, as are nearby towns of Jerome, Pennsylvania, Thomas Mills, Tire Hill, Seanor, Hyasota and part of Holsopple. Davidsville area code: 814; zip code: 15928.
As of the census of 2000, there were 1,119 people, 441 households, and 355 families residing in the CDP. The population density was 489.5 people per square mile (188.7/km²). There were 458 housing units at an average density of 200.3/sq mi (77.2/km²). The racial makeup of the CDP was 98.93% White, 0.09% African American, 0.27% Native American, 0.63% Asian, 0.09% from other races. Hispanic or Latino of any race were 0.71% of the population.
There were 441 households out of which 29.9% had children under the age of 18 living with them, 70.7% were married couples living together, 7.0% had a female householder with no husband present, and 19.5% were non-families. 17.2% of all households were made up of individuals and 9.8% had someone living alone who was 65 years of age or older. The average household size was 2.54 and the average family size was 2.85.