- Imperial Colonia
- Imperial Estates
- Imperial Gardens
- Imperial Valley
- Inadale
- Inari
- Independence
- India
- Indian Creek
- Indian Gap
- Indian Hills
- Indian Hot Springs
- Indian Rock
- Indian Springs
- Indian Trails Lane Colonia
- Indianola
- Indianola Island
- Indio
- Indio Number 1 Colonia
- Indio Number 2 Colonia
- Ingle-Doolittle Colonia
- Inspiration Colonia
- Inspiration Heights Colonia
- Inspiration Point Colonia
- Inspiration Rd Number 1 Colonia
- Inspiration Rd Number 2 Colonia
- Inspiration Rd Number 3 Colonia
- Intercontinental Village
- Inwood
- Inwood Forest