- I B Avila Colonia
- Iago
- Iatan
- Ida
- Idalou
- Idyle Hour Acres
- Idylwood
- Iglehart
- Ignacio Perez Colonia
- Ike
- Ike
- Illinois Bend
- Illinois Heights Colonia
- Impact
- Imperial
- Imperial Colonia
- Imperial Colonia
- Imperial Estates
- Imperial Gardens
- Imperial Valley
- Inadale
- Inari
- Independence
- India
- Indian Creek
- Indian Gap
- Indian Hills
- Indian Hills
- Indian Hot Springs
- Indian Lake