West Brandywine Township According to the United States Census Bureau, the township has a total area of 13.4 square miles (35 km2), of which 0.04 square miles (0.10 km2), or 0.22%, is water.

There were 2,610 housing units at an average density of 195.0 per square mile (75.3/km2).

Of all of the households that were documented, 17.6% were made up of individuals, and 8.7% had someone living alone who was sixty-five years of age or older.

US 322 follows Horseshoe Pike along a northwest-southeast alignment across the northern and eastern portions of the township.

PA 82 follows South Manor Road along a north-south alignment through the middle of the township.

PA 340 follows Kings Highway along an east-west alignment along the southern border of the township.