[4] U.S. Route 22 crosses the township east-to-west and interchanges in the township with Airport Road, which extends northeast toward Bath as Pennsylvania Route 987 and south into Allentown.

The latter two roads intersect Route 987 in the village of Schoenersville on the border with Northampton County.

Lehigh Valley International Airport is located in Hanover Township.

It is the fourth most heavily trafficked airport in Pennsylvania with 851,000 passengers annually as of 2020.

The township has a hot-summer humid continental climate (Dfa) and the hardiness zone is 6b.

34.1% of all households were made up of individuals, and 8.9% had someone living alone who was 65 years of age or older.