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Welcome to Lehigh County ...

Time Zone: Lehigh County lies in the Eastern Time Zone (EST/EDT) and observes daylight saving time.

The community of Allentown is the Seat for Lehigh County.

Lehigh County was founded March 6, 1812 and was created by taking area from Northampton County.

From the Census Estimates for 2019, <1> Lehigh had a population of 369,318 people. This is an increase of 5.47% since the last Census (which gave a population of 350,164 people in 2010).

At the time of the 2010 Census, Lehigh represented 2.76% of the total population of Pennsylvania.

Below are some of the communities located in Lehigh County:

  • Alburtis
    (8 miles [12.9 km] to the southwest)
  • Allentown
    (Less than 2 miles to the east)
  • Catasauqua
    (3 miles [4.8 km] to the northeast)
  • Coopersburg
    (8 miles [12.9 km] to the southeast)
  • Coplay
    (4 miles [6.4 km] to the north)
    • Coplay is located in Lehigh County (PA)
    • Jump to our Gazetteer entry for Coplay
    • Population from the 2020 Census: 3,217 people
    • Jump to TripAdvisor's Tourism page for Coplay <2>
  • Emmaus
    (4 miles [6.4 km] to the south)
    • Emmaus is located in Lehigh County (PA)
    • Jump to our Gazetteer entry for Emmaus
    • Population from the 2020 Census: 11,493 people
    • Jump to TripAdvisor's Tourism page for Emmaus <2>
  • Fountain Hill
    (5 miles [8 km] to the east)
    • Fountain Hill is located in Lehigh County (PA)
    • Jump to our Gazetteer entry for Fountain Hill
    • Population from the 2020 Census: 4,713 people
  • Macungie
    (6 miles [9.7 km] to the south)
  • Slatington
    (11 miles [17.7 km] to the northwest)

Websites of Interest ...

Footnotes ...

<1>On a yearly basis, the US Census Bureau creates an estimate of the county's population. Keep in mind that this is an estimate and not an actual count. The last physical count was the 2010 Census and the next count will be for the 2020 Census.
<2>While we're fans and frequent users of TripAdvisor, you should know that we're also members of the TripAdvisor affiliate program.