September 26, 1789
Delaware County consists of over 184 square miles divided into forty-nine municipalities and is the oldest settled section of Pennsylvania.
It was created from Chester County on September 26, 1789. The current county seat is in Media and before that, the county seat was in Chester.
The land was explored by Henry Hudson in 1609 and was settled after that by the Swedes, the Dutch and the English. The original inhabitants were the Lenni-Lenape tribe.
King Charles II of England made a land grant to William Penn in 1682, who named the area Pennsylvania. Penn divided this area into three counties; Philadelphia, Bucks and Chester.
When Chester County was divided, the southeastern portion became Delaware County, taking its name from the Delaware River.
Archives A variety of contributed transcribed information sources and valuable research links.
Click HereResources This is a great place to get started, especially if you're new to Delaware County genealogy.
Click HereContributions Contributions include various links, articles and documents related to Delaware County history and research.
Click HereOld Delaware County PAGenWeb Site Miss the old Delaware County PAGenWeb site? It's here!
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