Lower Paxton Township is located in south-central Dauphin County, bordered by Susquehanna Township to the west, Middle Paxton Township to the north,
West Hanover and
South Hanover townships to the east, and Swatara Township to the south. The eastern border of Lower Paxton Township is formed by
Beaver Creek, a south-flowing tributary of
Swatara Creek, which flows to the
Susquehanna River. The northern border of the township follows or is close to the crest of
Blue Mountain, the southernmost ridge of the
Ridge-and-Valley Appalachians in this region. According to the
United States Census Bureau, the township has a total area of 28.1 square miles (72.8 km), all of it land. There are four
unincorporated communities, all of which are
census-designated places, in Lower Paxton Township.
Linglestown (population 6,334) is in the northeast part of the township,
Paxtonia (population 5,412) is in the center,
Colonial Park (population 13,229) is in the west and southwest, and a small portion of
Progress is in the far west, though it is mainly in Susquehanna Township.
Interstate 83 runs through the western part of the township, terminating at
Interstate 81, which crosses the center of the township from west to east. I-83 access in the township is from Exit 50 (
U.S. Route 22/Jonestown Road) and Exit 48 (Union Deposit Road), while I-81 access is from Exit 72, between Linglestown and Paxtonia. ==Demographics==