It is also part of the strip of small towns that run together along Route 29: Red Hill, Pennsburg, and East Greenville.

[3] According to the U.S. Census Bureau, the borough has a total area of 0.8 square miles (2.1 km2), all land.

[4] The borough has a hot-summer, humid continental climate (Dfa) and average monthly temperatures range from 29.9 °F in January to 74.6 °F in July.

[7] As of the 2000 census,[8] 2,732 people, 1,009 households, and 705 families resided in the borough.

About 24.0% of all households were made up of individuals, and 8.5% had someone living alone who was 65 years of age or older.

PA 29 follows Main Street on a northwest-to-southeast alignment through town, while PA 663 follows Pottstown Avenue and Quakertown Avenue on a northeast-to-southwest alignment.

Pennsburg has a city manager form of government with a mayor and borough council.