Adams County is a county in the Commonwealth of Pennsylvania. As of the 2020 census, the population was 103,852. Its county seat is Gettysburg. The county was created on January 22, 1800, from part of York County, and was named for the second President of the United States, John Adams. On July 1–3, 1863, a crucial battle of the American Civil War was fought near Gettysburg; Adams County as a result is a center of Civil War tourism.
Elizabethtown is a borough in Lancaster County, Pennsylvania, United States. It is located 18 miles (29 km) southeast of Harrisburg, the state capital. Small factories existed at the turn of the 20th century when the population in 1900 was 1,861. As of the 2020 census, the population of the borough was 11,639. Elizabethtown is commonly referred to in south-central Pennsylvania as "E-Town." This nickname is also used for the local college and high school.
Enola is a census-designated place (CDP) located along the Susquehanna River in East Pennsboro Township, Cumberland County, Pennsylvania, United States. The population was 6,111 at the 2010 census. Norfolk Southern operates Enola Yard, a large rail yard and locomotive shop in Enola. It is situated in Cumberland County, directly across the Susquehanna River from Harrisburg and is part of the Harrisburg–Carlisle metropolitan statistical area.
Mechanicsburg is a borough in Cumberland County, Pennsylvania, United States. The borough is eight miles (13 km) west of Harrisburg. It is part of the Harrisburg–Carlisle metropolitan statistical area. As of the 2010 census it had a population of 8,981.
Berrysburg is a borough in Dauphin County, Pennsylvania, United States. The population was 324 at the 2020 census. It is part of the Harrisburg–Carlisle Metropolitan Statistical Area.
Dauphin is a borough in Dauphin County, Pennsylvania, United States. The population was 796 at the 2020 census. Dauphin's ZIP code is 17018. It is part of the Harrisburg–Carlisle Metropolitan Statistical Area.
Elizabethville is a borough in Dauphin County, Pennsylvania, United States. As of the 2020 census, the borough's population was 1,352. It is part of the Harrisburg metropolitan area.
Halifax is a borough in Dauphin County, Pennsylvania, United States. Halifax was incorporated as a borough on May 29, 1785. It is situated at the confluence of Armstrong Creek and the Susquehanna River. The population was 795 at the 2020 census. It is part of the Harrisburg–Carlisle Metropolitan Statistical Area.
Hershey is an unincorporated community and census-designated place (CDP) in Derry Township, Dauphin County, Pennsylvania, United States. It is home to The Hershey Company, which was founded by candy magnate Milton S. Hershey.
Highspire is a borough in Dauphin County, Pennsylvania, United States. The population was 2,736 at the 2020 census, an increase over the figure of 2,399 tabulated in 2010. It is part of the Harrisburg–Carlisle Metropolitan Statistical Area.
Hummelstown is a borough in Dauphin County, Pennsylvania, United States. The population was 4,535 as of the 2020 census. It is part of the Harrisburg–Carlisle Metropolitan Statistical Area.
Lykens is a borough in Dauphin County, Pennsylvania, United States. Anthracite coal mining sustained a population of 2,762 in 1900 and 2,943 in 1910. The population was 1,865 at the 2020 census.
Middletown is a borough in Dauphin County, Pennsylvania, on the Susquehanna River, 10 miles (16 km) southeast of Harrisburg. As of the 2020 census, it had a population of 9,550. It is part of the Harrisburg–Carlisle Metropolitan Statistical Area.
Millersburg is a borough in Dauphin County, Pennsylvania, United States. The population was 2,541 at the 2020 census. It is part of the Harrisburg–Carlisle Metropolitan Statistical Area.
Paxtang is a borough in Dauphin County, Pennsylvania, United States. As of the 2020 census it had a population of 1,640. The borough is a suburb of Harrisburg and is one of the earliest colonial settlements in South Central Pennsylvania.
Steelton is a borough in Dauphin County, Pennsylvania, United States, 4 miles (6 km) southeast of Harrisburg. The population was 6,263 at the 2020 census. The borough is part of the Harrisburg–Carlisle Metropolitan Statistical Area.
Susquehanna Township is a township in Dauphin County, Pennsylvania, United States. The population was 26,736 at the time of the 2020 census. This represents a 9.8% increase from the 2000 census count of 21,895. Susquehanna Township has the postal ZIP codes 17109 and 17110, which maintain the Harrisburg place name designation. The township is a suburb of Harrisburg and is connected to Marysville by the Rockville Bridge, the world's longest stone-arch rail bridge at the time of its completion.
Liverpool is a borough located in the northeastern corner of Perry County, Pennsylvania, United States. It is part of the Harrisburg–Carlisle metropolitan statistical area.
Millerstown is a borough in northern Perry County, Pennsylvania, United States, located 29 miles (47 km) northwest of Harrisburg and 29 miles (47 km) southwest of Selinsgrove. The population was 688 at the 2020 Census. The borough is part of the Harrisburg–Carlisle Metropolitan Statistical Area.
Landisville is an unincorporated community and census-designated place (CDP) in East Hempfield Township, Lancaster County, Pennsylvania, United States. As of the 2010 census the population was 1,893. The community was once part of the Salunga-Landisville CDP, before splitting into two separate CDPs for the 2010 census, the other being Salunga.
