Parkside is a borough in Delaware County, Pennsylvania, United States.

[3] Parkside is in southern Delaware County, bordered to the east by Chester, to the south by Upland, and to the west by Brookhaven.

According to the United States Census Bureau, the borough has a total area of 0.20 square miles (0.53 km2), all land.

[4] Pennsylvania Route 352 (Edgmont Avenue) is the main road through the borough, leading southeast 2 miles (3 km) to Interstate 95 and the center of Chester and northwest 4 miles (6 km) to U.S. Route 1 near Media.

26.2% of all households were made up of individuals, and 10.8% had someone living alone who was 65 years of age or older.