- Jacobs
- Johnson Island
- Johnson City
- Jordan
- Jameson Island
- Julesburg
- Jeffreys
- Jane Downing Island
- Jedburgh
- Jeff Vander Lou
- Jefferson Barracks
- Jadwin
- Jane
- Jenkins
- Jarvis
- Jefferson Heights
- Jamesville
- Jacksonville
- Jeddo
- Judson
- Johnston Ford
- Jerico
- Jerktail
- Junction Ferry
- Jim Crow Island
- Johnstown
- Jonca
- Jacket
- Jewett
- James Brothers