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Welcome to New Castle County ...

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

The community of Wilmington is the Seat for New Castle County.

New Castle County was founded in 1664.

From the Census Estimates for 2019, <1> New Castle had a population of 559,941 people. This is an increase of 3.99% since the last Census (which gave a population of 538,479 people in 2010).

At the time of the 2010 Census, New Castle represented 59.97% of the total population of Delaware.

Below are some of the communities located in New Castle County:

  • Arden
    (10 miles [16.1 km] to the northeast)
    • Note: The GPS coordinates that we are using for Arden have been provided by the GNIS.<2> The coordinates still need to be verified.
    • Jump to our Gazetteer entry for Arden
    • Arden is located in New Castle County (DE)
    • Population from the 2020 Census: 436 people
    • Jump to TripAdvisor's Tourism page for Arden <3>
  • Ardencroft
    (10 miles [16.1 km] to the northeast)
    • Note: The GPS coordinates that we are using for Ardencroft have been provided by the GNIS.<2> The coordinates still need to be verified.
    • Jump to our Gazetteer entry for Ardencroft
    • Ardencroft is located in New Castle County (DE)
    • Population from the 2020 Census: 218 people
  • Ardentown
    (10 miles [16.1 km] to the northeast)
    • Note: The GPS coordinates that we are using for Ardentown have been provided by the GNIS.<2> The coordinates still need to be verified.
    • Jump to our Gazetteer entry for Ardentown
    • Ardentown is located in New Castle County (DE)
    • Population from the 2020 Census: 274 people
  • Bellefonte
    (7 miles [11.3 km] to the northeast)
    • Note: The GPS coordinates that we are using for Bellefonte have been provided by the GNIS.<2> The coordinates still need to be verified.
    • Jump to our Gazetteer entry for Bellefonte
    • Bellefonte is located in New Castle County (DE)
    • Population from the 2020 Census: 1,166 people
  • Delaware City
    (8 miles [12.9 km] to the south)
  • Elsmere
    (3 miles [4.8 km] to the north)
    • Jump to our Gazetteer entry for Elsmere
    • Elsmere is located in New Castle County (DE)
    • Population from the 2020 Census: 5,761 people
  • Middletown
    (17 miles [27.4 km] to the south)
    • Jump to our Gazetteer entry for Middletown
    • Middletown is located in New Castle County (DE)
    • Population from the 2020 Census: 23,765 people
    • Jump to TripAdvisor's Tourism page for Middletown <3>
  • New Castle
    (3 miles [4.8 km] to the southeast)
  • Continue List   (5 more) ...
    • Newark
      (7 miles [11.3 km] to the west)
      • Jump to our Gazetteer entry for Newark
      • Newark is located in New Castle County (DE)
      • Population from the 2020 Census: 33,849 people
      • Jump to TripAdvisor's Tourism page for Newark <3>
    • Newport
      (Less than 2 miles to the north)
      • Jump to our Gazetteer entry for Newport
      • Newport is located in New Castle County (DE)
      • Population from the 2020 Census: 874 people
      • Jump to TripAdvisor's Tourism page for Newport <3>
    • Odessa
      (16 miles [25.7 km] to the south)
      • Jump to our Gazetteer entry for Odessa
      • Odessa is located in New Castle County (DE)
      • Population from the 2020 Census: 354 people
      • Jump to TripAdvisor's Tourism page for Odessa <3>
    • Townsend
      (21 miles [33.8 km] to the south)
      • Jump to our Gazetteer entry for Townsend
      • Townsend is located in New Castle County (DE)
      • Population from the 2020 Census: 2,764 people
      • Jump to TripAdvisor's Tourism page for Townsend <3>
    • Wilmington
      (4 miles [6.4 km] to the northeast)
      • Jump to our Gazetteer entry for Wilmington
      • Wilmington is located in New Castle County (DE)
      • Population from the 2020 Census: 70,376 people
      • Jump to TripAdvisor's Tourism page for Wilmington <3>

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>The location has been supplied by the Geographic Names Information System - which is maintained by the U.S. Geological Survey (USGS). While these values should be definitive, we found that accuracy can vary and you should double-check the location if accuracy is required.
<3>While we're fans and frequent users of TripAdvisor, you should know that we're also members of the TripAdvisor affiliate program.





 

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This page was last modified/updated: 26 Feb 2024