Lower Macungie Township is a township in Lehigh County, Pennsylvania, in the United States. It is a suburb of Allentown, Pennsylvania, in the Lehigh Valley region of the state. As of the 2010 Census, the township had a population of 30,633.
Lower Macungie is the fastest growing area of Pennsylvania in terms of total population growth and is undergoing rapid suburbanization. Some fast-growing areas of the township include Ancient Oaks, Brandywine Village, Brandywine Village 2, Hills at Lock Ridge, Millbrook Farms, and Shepherd Hills. Its villages include East Texas, Minesite, New Hensingersville (also in Berks County) Weilersville, and Wescosville.
Lower Macungie Township's growth has been attributed to its proximity to major employment centers, and strategic access to major transportation corridors. At 22.6 square miles, the Township is one of the largest municipalities in the Lehigh Valley. Lower Macungie is also the fastest-growing municipality in the Lehigh Valley. Between 2000 and 2010, the Township’s population grew 60 percent.
In November 2007, township voters elected to make Lower Macungie a first class township in 2008.