- Kalem
- Kansas Landing
- Kathy Mobile Park
- Katzenmeyer
- Kearney
- Kearney Park
- Keel
- Keirn
- Kelleys Crossing
- Kelly
- Kelona
- Kelso
- Kemper Springs
- Kendrick
- Kennolia
- Keownville
- Kerr
- Kewanee
- Kienstra
- Kilmichael
- Kiln
- Kilsby Mobile Home Park
- Kimball Lake
- Kimberly
- Kincaid
- King
- King and Anderson
- Kings
- Kings Corner
- Kingston