Parkside is a borough in Delaware County, Pennsylvania, United States. The population was 2,328 at the 2010 census.
Parkside is in southern Delaware County, bordered to the east by Chester, to the south by Upland, and to the west by Brookhaven. Pennsylvania Route 352 (Edgmont Avenue) is the main road through the borough, leading southeast 2 miles (3 km) to the center of Chester and northwest 4 miles (6 km) to U.S. Route 1 near Media.
According to the United States Census Bureau, the borough has a total area of 0.20 square miles (0.53 km2), all of it land.
As of Census 2010, the racial makeup of the borough was 80.5% White, 12.9% African American, 0.8% Native American, 2.4% Asian, 0.9% from other races, and 2.4% from two or more races. Hispanic or Latino of any race were 3.5% of the population .
As of the census of 2000, there were 2,267 people, 869 households, and 604 families residing in the borough. The population density was 10,897.8 people per square mile (4,168.1/km2). There were 918 housing units at an average density of 4,413.0 per square mile (1,687.8/km2). The racial makeup of the borough was 95.63% White, 2.43% African American, 0.18% Native American, 0.57% Asian, 0.04% Pacific Islander, 0.35% from other races, and 0.79% from two or more races. Hispanic or Latino of any race were 1.76% of the population.