- Kopiah
- Kamilche
- Keystone
- Kindred Island
- Klipsan Beach
- Klipsan Meadows Park
- Knappton
- Kelly Island
- Ketron
- Ketron Island
- Key Center
- Kendall
- Kingston
- Kiket Island
- Kellogg Village Mobile Home Park
- Kennard Mobile Estates
- King's Mobile Home Court
- Kingsbury East Mobile Home Park
- Kingsbury West Mobile Home Park
- Kruse
- Kruse Junction
- Kamloops Island
- Kulzer
- Kellys Korner
- Kirby Island
- Kibler
- Kooskooskie
- Kickerville
- Kulshan
- Kahlotus