Delaware Counties
There have only been three counties in Delaware, but the names have changed over time. Below is a chart showing the name changes over time.
In addition to the county subdivision of the state, each county is subdivided into Hundreds. To learn more about Hundreds, click here.
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County
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County Seat
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History
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New Castle
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Wilmington
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Original County (Formally New Amstel)
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Kent
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Dover
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Created from Horrekill. Formerly known as St. Jones County.
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Sussex
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Georgetown
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Created from Horrekill District. Formerly known as Deale County
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Horrekill District is also known as Whorekill, Hoarkill District, Hoornkill District, Hoerenkill District, and Whorekill District.