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Welcome to Delaware County ...

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

The community of Media is the Seat for Delaware County.

Delaware County was founded September 26, 1789 and was created by taking area from Chester County.

From the Census Estimates for 2019, <1> Delaware had a population of 566,747 people. This is an increase of 1.39% since the last Census (which gave a population of 558,981 people in 2010).

At the time of the 2010 Census, Delaware represented 4.4% of the total population of Pennsylvania.

Below are some of the communities located in Delaware County:

  • Aldan
    (3 miles [4.8 km] to the east)
    • Aldan is located in Delaware County (PA)
    • Jump to our Gazetteer entry for Aldan
    • Population from the 2020 Census: 4,149 people
  • Brookhaven
    (3 miles [4.8 km] to the southwest)
  • Chester
    (4 miles [6.4 km] to the south)
    • Chester is located in Delaware County (PA)
    • Jump to our Gazetteer entry for Chester
    • Population from the 2020 Census: 33,692 people
    • Jump to TripAdvisor's Tourism page for Chester <2>
  • Chester Heights
    (6 miles [9.7 km] to the west)
  • Clifton Heights
    (3 miles [4.8 km] to the east)
  • Collingdale
    (3 miles [4.8 km] to the east)
  • Colwyn
    (5 miles [8 km] to the east)
    • Colwyn is located in Delaware County (PA)
    • Jump to our Gazetteer entry for Colwyn
    • Population from the 2020 Census: 2,551 people
  • Darby
    (5 miles [8 km] to the east)
    • Darby is located in Delaware County (PA)
    • Jump to our Gazetteer entry for Darby
    • Population from the 2020 Census: 10,704 people
    • Jump to TripAdvisor's Tourism page for Darby <2>
  • Continue List   (20 more) ...
    • East Lansdowne
      (5 miles [8 km] to the northeast)
      • East Lansdowne is located in Delaware County (PA)
      • Jump to our Gazetteer entry for East Lansdowne
      • Population from the 2020 Census: 2,668 people
    • Eddystone
      (3 miles [4.8 km] to the south)
    • Folcroft
      (4 miles [6.4 km] to the east)
      • Folcroft is located in Delaware County (PA)
      • Jump to our Gazetteer entry for Folcroft
      • Population from the 2020 Census: 6,635 people
      • Jump to TripAdvisor's Tourism page for Folcroft <2>
    • Glenolden
      (3 miles [4.8 km] to the east)
    • Lansdowne
      (4 miles [6.4 km] to the northeast)
      • Lansdowne is located in Delaware County (PA)
      • Jump to our Gazetteer entry for Lansdowne
      • Population from the 2020 Census: 10,641 people
      • Jump to TripAdvisor's Tourism page for Lansdowne <2>
    • Marcus Hook
      (7 miles [11.3 km] to the southwest)
    • Media
      (2 miles [3.2 km] to the west)
      • Media is located in Delaware County (PA)
      • Jump to our Gazetteer entry for Media
      • Population from the 2020 Census: 5,787 people
      • Jump to TripAdvisor's Tourism page for Media <2>
    • Millbourne
      (6 miles [9.7 km] to the northeast)
      • Millbourne is located in Delaware County (PA)
      • Jump to our Gazetteer entry for Millbourne
      • Population from the 2020 Census: 1,160 people
    • Morton
      (Less than 2 miles to the east)
      • Morton is located in Delaware County (PA)
      • Jump to our Gazetteer entry for Morton
      • Population from the 2020 Census: 2,668 people
      • Jump to TripAdvisor's Tourism page for Morton <2>
    • Norwood
      (3 miles [4.8 km] to the southeast)
      • Norwood is located in Delaware County (PA)
      • Jump to our Gazetteer entry for Norwood
      • Population from the 2020 Census: 5,956 people
    • Parkside
      (3 miles [4.8 km] to the southwest)
      • Parkside is located in Delaware County (PA)
      • Jump to our Gazetteer entry for Parkside
      • Population from the 2020 Census: 2,327 people
    • Prospect Park
      (2 miles [3.2 km] to the southeast)
    • Ridley Park
      (2 miles [3.2 km] to the southeast)
    • Rose Valley
      (2 miles [3.2 km] to the southwest)
      • Rose Valley is located in Delaware County (PA)
      • Jump to our Gazetteer entry for Rose Valley
      • Population from the 2020 Census: 952 people
    • Rutledge
      (Less than 2 miles to the southeast)
      • Rutledge is located in Delaware County (PA)
      • Jump to our Gazetteer entry for Rutledge
      • Population from the 2020 Census: 797 people
    • Sharon Hill
      (4 miles [6.4 km] to the east)
    • Swarthmore
      (Less than 2 miles to the south)
    • Trainer
      (6 miles [9.7 km] to the southwest)
      • Trainer is located in Delaware County (PA)
      • Jump to our Gazetteer entry for Trainer
      • Population from the 2020 Census: 1,823 people
    • Upland
      (4 miles [6.4 km] to the southwest)
      • Upland is located in Delaware County (PA)
      • Jump to our Gazetteer entry for Upland
      • Population from the 2020 Census: 3,347 people
      • Jump to TripAdvisor's Tourism page for Upland <2>
    • Yeadon
      (5 miles [8 km] to the east)
      • Yeadon is located in Delaware County (PA)
      • Jump to our Gazetteer entry for Yeadon
      • Population from the 2020 Census: 11,489 people
      • Jump to TripAdvisor's Tourism page for Yeadon <2>

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.