Old Zionsville is an unincorporated community in Upper Milford Township in Lehigh County, Pennsylvania.

Old Zionsville is located along Pennsylvania State Routes 29 and 100, 2.5 miles (4.0 km) southeast of Macungie.

[3] The Upper Milford Township municipal building is located at 5671 Chestnut Street at the former site of Kings Highway Elementary School and has a Saturday farmers' market.

The watershed divide runs east-to-west just north of Ridgeway Drive and Walnut Lane.

This Lehigh County, Pennsylvania state location article is a stub.