- Inwood Forest
- Inwood Park
- Inwood Pines
- Inwood Terrace
- Inwood West
- Irby
- Ireland
- Illinois Bend
- I B Avila Colonia
- Ignacio Perez Colonia
- Imperial 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
- Isaacs Colonia
- Indian Hills
- Iona
- Imperial Colonia
- Indian Hot Springs
- Iser
- Indian Springs
- Israel
- Irwin
- Inari
- Inwood
- Isla