It is part of the State College, Pennsylvania Metropolitan Statistical Area.

[5] According to the United States Census Bureau, the township has a total area of 62.5 square miles (162.0 km2), all land.

Miles Township is home to McCalls Dam State Park.

In the winter months the park can only be accessed by snowmobiling or cross-country skiing.

[6] The park is named for the splash dam that Johnny McCall built on White Deer Creek in 1850.

Sixteen years later the dam was rebuilt to provide water for a series of splash dams that were used to float white pine logs to the sawmills on the West Branch Susquehanna River at Watsontown.

17.7% of all households were made up of individuals, and 9.1% had someone living alone who was 65 years of age or older.