- Indian Rock
- Indian Springs
- Indian Trails Lane Colonia
- Indianola
- Indianola Island
- Indio
- Indio Number 1 Colonia
- Indio Number 2 Colonia
- Industry
- Inez
- Ingle-Doolittle Colonia
- Ingleside
- Ingleside On-the-Bay
- Ingram
- 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
- Inwood Park
- Inwood Pines
- Inwood Terrace
- Inwood West
- Iola
- Iona
- Iowa Colony