- J and M Green Acres Mobile Home Park
- Jacks Reef
- Jackson Corners
- Jackson Heights
- Jackson Summit
- Jacksonburg
- Jacksonville
- Jacksonville
- Jamaica
- James Monroe Houses
- James Weldon Johnson Houses
- Jamesport
- Jamestown
- Jamestown West
- Jamesville
- Jamie Towers
- Jamison Road
- Jan Gowson Island
- Janacks Landing Shelter
- Janesville
- Jaquins
- Jasper
- Java Center
- Java Village
- Jay
- Jayville
- Jeckyl Island
- Jeddo
- Jefferson
- Jefferson Courts Mobile Home Park