[1] The historic former private Bishop McDevitt High School, current public John Harris High School, Kline Plaza shopping center, historic Parson John Elder House, and Paxtang Park are located in East Harrisburg.

The Parson John Elder house, built in 1740 for John Elder of Paxtang, is actually the oldest structure in what is now city limits.

Kline constructed the Kline Village Shopping Center, in what was considered Harrisburg's first modern shopping center.

[3] The neighboring Borough of Penbrook was once officially named East Harrisburg.

It still maintains a Harrisburg postal ZIP code.