- Keystone
- Kidder Trailer Park
- Kidron
- Kieferville
- Kilbourne
- Kileville
- Kilgore
- Kilmer
- Kilvert
- Kimball
- Kimball Island
- Kimballs Mobile Home Park
- Kimberly
- Kimberly Valley
- Kincaid Springs
- Kinderhook
- King Corners
- King's Mobile Home Park
- Kingman
- Kings Chapel
- Kings Corners
- Kings Mills
- Kings Mine
- Kings Ridge
- Kingsbury
- Kingscreek
- Kingsleys Corners
- Kingston Center
- Kingsville
- Kingsville On-the-Lake