Blue Mountain forms the remainder of its natural northern boundary.

At the 2010 census, there were 3,597 people, 1,336 households, and 967 families living in the township.

There were 1,424 housing units at an average density of 75.3 per square mile (29.1/km2).

Portions of the Pennsylvania State Game Lands Number 110, which carries part of the Appalachian National Scenic Trail, are located along the northern border of the township.

Old Route 22 (Hex Highway) runs east-to-west south of I-78 and does not interchange with PA 61. http://pasdc.hbg.psu.edu/sdc/pasdc_files/census2010/Berks%20County/Tilden%20Township,%20Berks%20County.pdf