Region
Delaware
18
Pennsylvania
10
United States
6
Wilmington
6
Delaware County
5
Wilmington (Del.)
5
Delaware County (Pa.)
4
Delaware Valley
3
Chester County
1
Delaware River (N.Y.-Del. and N.J.)
1
Frazer (East Whiteland Township, Chester, Pa.)
1
Massachusetts
1
Northborough (Worcester County, Mass.)
1
York (York County, Pa.)
1
York County
1