- Island Farm
- Island Ford
- Isle of Pines
- Isle of Wight
- Isle of Wight Mobile Home Village
- Isom
- Itata
- Ivakota
- Ivandale
- Ivanhoe
- Ivanhoe Forest
- Ivondale
- Ivy
- Ivy Farms
- Ivy Farms
- Ivy Meadows
- Ivy Oaks
- Ivy Ridge
- Ivy Woods
- Ivyglen
- Idamay
- Ikes Fork
- Indore
- Industrial
- Ingleside
- Institute
- Ireland
- Isaban
- Itmann
- Ivydale