Heidelberg Township, Lehigh County, Pennsylvania

Heidelberg Township
A farm in Heidelberg Township in March 2010
Location of Heidelberg Township in Lehigh County, Pennsylvania
Heidelberg Township
Location in Pennsylvania
Heidelberg Township
Location in the United States
Coordinates: 40°43′30″N 75°45′05″W / 40.72500°N 75.75139°W / 40.72500; -75.75139
Country United States
State Pennsylvania
CountyLehigh
Area
  Township
24.73 sq mi (64.05 km2)
  Land24.64 sq mi (63.83 km2)
  Water0.09 sq mi (0.22 km2)
Elevation
797 ft (243 m)
Population
 (2010)
  Township
3,416
  Estimate 
(2016)
3,498
  Density141.94/sq mi (54.80/km2)
  Metro
865,310 (US: 68th)
Time zoneUTC-5 (EST)
  Summer (DST)UTC-4 (EDT)
Area code(s)610
FIPS code42-077-33616
GNIS feature ID1216688
Primary airportLehigh Valley International Airport
Major hospitalLehigh Valley Hospital–Cedar Crest
School districtNorthwestern Lehigh
Websitewww.heidelberglehigh.org

Heidelberg Township is a township in Lehigh County, Pennsylvania, United States. The population of Heidelberg Township was 3,416 at the 2010 census. It is a suburb of Allentown in the Lehigh Valley, which had a population of 861,899 and was the 68th-most populous metropolitan area in the U.S. as of the 2020 census.