Geography thumb|left|The Schubert-Graber log-post shop, constructed in the 1735 in Zionsville in Upper Milford Township, the township's oldest building structure, August 2020"Schubert-Graber believed oldest house in township," Patch, July 27, 2011, According to the U.S. Census Bureau, the township has a total area of , of which are land and , or 0.27%, are water. A large portion of the township is located on South Mountain and elevations in the township range from approximately above sea level. Upper Milford is part of the Delaware River watershed and is drained by Little Lehigh Creek and Saucon Creek into Lehigh River and by Perkiomen Creek into the Schuylkill River.
Geography thumb|left|The Schubert-Graber log-post shop constructed in the 1735 in Zionsville in Upper Milford Township the township's oldest building structure August 2020"Schubert-Graber believed oldest house in township" Patch July 27 2011 According to the US Census Bureau the township has a total area of  of which are land and  or 027% are water A large portion of the township is located on South Mountain and elevations in the township range from approximately above sea level Upper Milford is part of the Delaware River watershed and is drained by Little Lehigh Creek and Saucon Creek into Lehigh River and by Perkiomen Creek into the Schuylkill River