- Highland Meadows
- Highland Terrace
- Highland West
- Highland Woods
- Hill N Dale
- Hillcrest
- Hillcrest Acres Mobile Home Park
- Hilldale
- Hillendale
- Hillside Acres
- Hillside Heights
- Hillstream
- Hilltop Acres
- Hilltop Manor
- Hitchens Crossroads
- Hoagland Subdivision
- Hoars Addition
- Hockessin
- Hockessin Hunt
- Hockessin Park
- Holiday Acres
- Holiday Estates
- Holiday Hills
- Holiday Pines
- Holiday Pines Mobile Home Park
- Hollandsville
- Holletts Corners
- Hollingsworth Development
- Holloway Terrace
- Holly Forest