Middletown, Dauphin County, Pennsylvania

Middletown, Pennsylvania
Union Street in Middletown
Location of Dauphin County in Pennsylvania (left) and of Middletown in Dauphin County (right)
Middletown
Location of Middletown in Pennsylvania and the United States
Middletown
Middletown (the United States)
Coordinates: 40°11′55″N 76°43′46″W / 40.19861°N 76.72944°W / 40.19861; -76.72944
CountryUnited States
StatePennsylvania
CountyDauphin
Settled1755
Incorporated1828
Government
  TypeBorough Council
  ManagerKenneth Klinepeter
  Borough Council PresidentIan Reddinger
Area
  Total
2.08 sq mi (5.40 km2)
  Land2.03 sq mi (5.26 km2)
  Water0.06 sq mi (0.14 km2)
Elevation
360 ft (110 m)
Population
 (2020)
  Total
9,533
  Density4,696.06/sq mi (1,812.72/km2)
Time zoneUTC-5 (Eastern (EST))
  Summer (DST)UTC-4 (EDT)
ZIP Code
17057
Area code717
FIPS code42-49128
GNIS feature ID1215165
Websitewww.middletownborough.com
DesignatedApril 17, 1952

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 HarrisburgCarlisle Metropolitan Statistical Area.