East Side is a borough in Carbon County, Pennsylvania.

To the west, directly across the river, is the borough of White Haven in Luzerne County.

Additional access is from Exit 273 in White Haven via Pennsylvania Route 940.

34.1% of all households were made up of individuals, and 13.2% had someone living alone who was 65 years of age or older.

About 12.1% of families and 15.9% of the population were below the poverty line, including 23.4% of those under the age of eighteen and 14.8% of those sixty five or over.