- Janesville
- Jefferson
- Jesup
- Johnston
- Jackson
- Jackson Island
- Jacksonville
- Jacksonville
- Jacobs
- Jacoby Island
- James
- Jamestown
- Jamestown
- Jamison
- Jay
- Jerico
- Jerome
- Johnson Island
- Johnson Island
- Jones Siding
- Jordan
- Jordans Grove
- Joyce Island
- Jubilee
- Judd
- Julien
- Junction Switch
- Juniata
- Jackson Junction
- Jamaica