New Castle County

New Castle County is the northernmost of the three counties of the U.S. state of . As of the 2020 census, the population was 570,719, making it the most populous county in Delaware, with just under 60% of the state's population of 989,948.
Photo: Wikimedia, Public domain.

Notable Places in the Area

Heritage site
is a national historic district located at St. Photo: Smallbones, CC0.

Historic building
is a historic home located in , New Castle County, Delaware. Photo: Smallbones, CC0.

Heritage site
is a national historic district located at , New Castle County, Delaware. Photo: Smallbones, CC0.

Heritage site
, named in honor of Rear Admiral Samuel Francis Du Pont, is located between the original Delaware City and the modern Chesapeake and Delaware Canal on the original Reeden Point tract, which was granted to Henry Ward in 1675. is situated 3 miles east of New Castle County. Photo: Wikimedia, Public domain.

Localities in the Area

is a census-designated place in New Castle County, , . is situated 3½ miles north of New Castle County. Photo: KLOTZPLATE, CC BY-SA 4.0.

is a city in New Castle County, , United States. Photo: Smallbones, CC0.

is an unincorporated town and former municipality situated on the Chesapeake and Delaware Canal in New Castle County, , about midway between the and .

New Castle County

39.5783° or 39° 34' 42" north
-75.639° or 75° 38' 20.3" west
Open Location Code
39 feet (12 metres)
Geo­Names ID

Also Known As

  • Albanian: New Castle County
  • Arabic: Condado han New Castle, Delaware
  • Arabic: مقاطعة نيو كاسل
  • Armenian: Նյու Քասլ շրջան
  • Asturian; Bable: condáu de New Castle
  • Basque: New Castleko konderria
  • Basque: New Castle konderria
  • Bavarian: New Castle County, Delaware
  • Bavarian: New Castle County
  • Belarusian: Нью-Касл (акруга)
  • Belarusian: Нью-Касл (графства)
  • Belarusian: Нью-Касл
  • Belarusian: акруга Нью-Касл
  • Belarusian: графства Нью-Касл
  • Bishnupriya: নিউ ক্যাসেল কাউন্টি, ডেলাওয়্যার
  • Bishnupriya: নিউ ক্যাসেল কাউন্টি
  • Bulgarian: Ню Касъл
  • Catalan: comtat de New Castle
  • Cebuano: New Castle County
  • Chechen: Нью-Касл (гуо, Делавэр)
  • Chechen: Нью-Касл
  • Chinese: New Castle Kūn
  • Chinese: 紐卡斯爾縣
  • Chinese: 紐卡斯爾郡
  • Chinese: 纽卡斯尔县
  • Cornish: Konteth New Castle
  • Croatian: New Castle, okrug
  • Croatian: Okrug New Castle
  • Czech: New Castle County
  • Danish: New Castle County
  • Dutch: New Castle County
  • English: New Castle
  • English: New Castle County, DE
  • English: New Castle County, Delaware
  • Esperanto: Kantono Nov-Kastelo
  • Estonian: New Castle'i maakond
  • Estonian: New Castlei maakond
  • Finnish: New Castlen piirikunta
  • French: Comté de New Castle
  • French: comte de New Castle
  • French: comté de New Castle
  • Gaelic (Scots): New Castle County
  • Gallegan: Condado de New Castle, Delaware
  • Gallegan: Condado de New Castle
  • Georgian: ნიუ-კასლის ოლქი
  • German: New Castle County
  • Greek: Κομητεία του Νιου Καστλ (Ντέλαγουερ)
  • Greek: Κομητεία του Νιου Καστλ
  • Hebrew: מחוז ניו קאסל
  • Hungarian: New Castle megye
  • Irish: Contae New Castle, Delaware
  • Irish: Contae New Castle
  • Italian: Contea di New Castle
  • Italian: contea di New Castle
  • Japanese: ニューキャッスル郡
  • Japanese: ニューキャッスル郡議会
  • Japanese: ニュー・キャッスル郡
  • Korean: 뉴캐슬군
  • Low German; Low Saxon: New Castle County
  • Min Dong Chinese: New Castle Gông
  • Min Nan Chinese: New Castle Kūn
  • Northern Frisian: New Castle County (Delaware)
  • Northern Frisian: New Castle County
  • Norwegian: New Castle County
  • Norwegian Bokmål: New Castle County
  • Persian: شهرستان نیوکاسل، دلاویر
  • Persian: شهرستان نیو کستل، دلاویر
  • Polish: Hrabstwo New Castle
  • Portuguese: Condado de New Castle
  • Romanian: Comitatul New Castle, Delaware
  • Romanian: Comitatul New Castle
  • Russian: Нью-Касл
  • Sardinian: contea de New Castle
  • Scots: New Castle Coonty, Delaware
  • Scots: New Castle Coonty
  • Serbian: New Castle County
  • Serbian: Okrug Nju Kasl
  • Serbian: Округ Њу Касл
  • Serbo-Croatian: New Castle County, Delaware
  • Serbo-Croatian: New Castle County
  • Spanish: Condado de New Castle
  • Swedish: New Castle County
  • Tatar: Нью-Касл (округ, Делавэр)
  • Tatar: Нью-Касл
  • Turkish: New Castle County
  • Ukrainian: Нью-Касл
  • Urdu: نیو کیسل کاؤنٹی، ڈیلاویئر
  • Vietnamese: Quận New Castle
  • Waray (Philippines): Condado han New Castle
  • Welsh: New Castle County, Delaware
  • Welsh: New Castle County
  • Western Panjabi: نیو کاسل کاؤنٹی
  • Konteth New Castle, Delaware
  • Newcastle County
  • Quận New Castle, Delaware

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About Mapcarta. Thanks to Mapbox for providing amazing maps. Text is available under the CC BY-SA 4.0 license, excluding photos, directions and the map. Based on the page New Castle County. See this page's contributions. Photo: Wikimedia, CC0.