Delaware County Creation Dates and Parent Counties
| See an interactive outline map of Delaware Historical Counties at Newberry Library site.[1] Select a year and the map will display the historical county boundaries. Click on map image for county details. |
| Tip: Sort the table by Date Formed or by Parent Counties and check Boundary Changes for interesting insights. |
| Name of County | Date Formed | Boundary Changes |
Parent County | Counties Created by Boundary Changes |
| Horre Kill District |
1664 4 16 | Details | Colonial Lands | renamed Sussex 1682 |
| Kent | 1682 Dec 17 | Details | renamed from St. Johns | none |
| New Castle | 1682 Dec 17 | Details | Colonial Lands | none |
| St. John's | 1673 3 16 | Details | Colonial Lands | renamed Kent 1682 |
| Sussex | 1682 Dec 17 | Details | Colonial Lands | none |
References
- ↑ Delaware Atlas of Historical County Boundaries, John H. Long, Editor; Peggy Tuck Sinko, Associate Editor; Gordon DenBoer, Historical Compiler; Douglas Knox, Book Digitizing Director and Digital Compiler; Emily Kelley, Research Associate; Laura Rico-Beck, GIS Specialist; Peter Siczewicz, ArcIMS Interactive Map Designer; Robert Will, Cartographic Assistant. Copyright The Newberry Library 2008.