Clifton Heights is a borough in Delaware County, Pennsylvania, United States, located on Darby Creek 5 miles (8 km) west of downtown Philadelphia. As of the 2010 census the population was 6,652.
The population of the borough was 1,820 in 1890, 3,155 in 1910, and reached a maximum of 10,268 in 1960.
Clifton Heights is the birthplace of the glam rock band Cinderella. Clifton Heights is the home of Rosati Water Ice, the first Italian ice company in the US.
Clifton Heights is located in eastern Delaware County at 39°55′45″N 75°17′45″W (39.929062, -75.295760). It is bordered to the northeast by the borough of Lansdowne, to the southeast by the borough of Aldan, and to the west and north by Upper Darby Township. The community of Drexel Hill in Upper Darby Township is to the north of Clifton Heights, across Darby Creek.
The main road through the borough is Baltimore Avenue, which leads northeast into Philadelphia and southwest 5 miles (8 km) to Media.
Clifton Heights is bordered by Darby Creek to the west.
According to the United States Census Bureau, the borough has a total area of 0.62 square miles (1.6 km2), all of it land.
As of a Census 2015 estimate, the racial makeup of the borough was 67.6% non-Hispanic White, 21.4% African American, 6.9% Asian, 2.1% from other races, and 2.5% from two or more races. Hispanic or Latino of any race were 3.4% of the population. 14.5% of the borough's population was foreign-born .