- Jericho
- Junction
- Johnstown
- Jack Island
- Jack Oak Island
- Jamestown
- Jonesdale
- Juneau
- Jackson
- Jefferson
- Junction City
- Jefferson Junction
- Jenkinsville
- Jeffris
- Jersey City
- Janesville
- Johnson
- Johnson Creek
- Jacksonville
- Jennings
- Jossart Island
- Jordan
- Jensen's Mobile Home Village
- Jimtown
- Johnstown
- Jewett
- Johannesburg
- Johnsonville
- Johnson Island
- Jewelwing Island