Imperial-Enlow was a census-designated place (CDP) in Allegheny County, Pennsylvania, United States, for the 2000 census. The population at the time was 3,514. The 2010 census recognized two separate census-designated places, Imperial and Enlow.
The CDP was located in North Fayette and Findlay townships.
Imperial-Enlow was located at 40°27′5″N 80°14′32″W (40.451404, -80.242353).
According to the United States Census Bureau, the CDP had a total area of 4.0 square miles (10 km2), all of it land.
As of the census of 2000, there were 3,514 people, 1,418 households, and 979 families residing in the CDP. The population density was 869.6 people per square mile (335.8/km²). There were 1,492 housing units at an average density of 369.2/sq mi (142.6/km²). The racial makeup of the CDP was 96.41% White, 1.65% African American, 0.17% Native American, 0.57% Asian, 0.03% Pacific Islander, 0.17% from other races, and 1.00% from two or more races. Hispanic or Latino of any race were 0.48% of the population.
There were 1,418 households, out of which 34.8% had children under the age of 18 living with them, 51.0% were married couples living together, 13.4% had a female householder with no husband present, and 30.9% were non-families.