| Jones Mill Branch | |
| Name Other: | Tributary to Marshyhope Creek |
| Map Size: | 180 |
| Pushpin Map: | USA Delaware#USA |
| Pushpin Map Size: | 180 |
| Pushpin Map Caption: | Location of Jones Mill Branch mouth |
| Pushpin Map Alt: | Map of Jones Mill Branch mouth location |
| Subdivision Type1: | Country |
| Subdivision Name1: | United States |
| Subdivision Type2: | State |
| Subdivision Name2: | Delaware |
| Subdivision Type3: | County |
| Subdivision Name3: | Sussex |
| Length: | 2.78miles[1] |
| Discharge1 Location: | Marshyhope Creek |
| Discharge1 Avg: | 3.5cuft/s at mouth with Marshyhope Creek[2] |
| Source1: | Bridgeville Branch divide |
| Source1 Location: | about 0.5 miles northeast of Jacobs Crossroads, Delaware |
| Source1 Coordinates: | 38.7754°N -75.708°W[3] |
| Source1 Elevation: | 58feet |
| Mouth: | Marshyhope Creek |
| Mouth Location: | about 1.5 miles east-northeast of Smithville, Maryland |
| Mouth Coordinates: | 38.7754°N -75.6597°W |
| Mouth Elevation: | 20feet |
| Progression: | Marshyhope Creek → Nanticoke River → Chesapeake Bay → Atlantic Ocean |
| River System: | Nanticoke River |
| Tributaries Left: | unnamed tributaries |
| Tributaries Right: | unnamed tributaries |
| Bridges: | Dublin Hill Road, Trinity Church Road, Buck Fever Road, Sand Hill Road |
Jones Mill Branch is a 2.78miles long second-order tributary to Marshyhope Creek in Sussex County, Delaware.
Jones Mill Branch rises on the Bridgeville Branch divide about 0.5 miles northeast of Jacobs Crossroads, Delaware, and then flows generally west-northwest to join Marshyhope Creek about 1.5 miles east-northeast of Smithville, Maryland.[3]
Jones Mill Branch drains of area, receives about 44.8 in/year of precipitation, and is about 6.55% forested.[2]