I
- Iberis
- Ida
- Idylwood
- Igo
- Imboden
- Independence
- Independent Hill
- Index
- Indian Field
- Indian Neck
- Indian Rock
- Indian Valley
- Indigo Terrace
- Indika
- Ingham
- Ingram
- Ingramville
- Inman
- Ino
- Interior
- Intersections
- Intervale
- Invermay
- Ira
- Iraville
- Irby
- Irisburg
- Irish Creek
- Irondale
- Iron Gate
- Iron Hill Springs
- Ironto
- Irving
- Irvington
- Irwin
- Irwin Manor
- Isaac
- Isle of Pines
- Isle of Wight
- Isom
- Ivakota
- Ivanhoe
- Ivondale
- Ivor
- Ivy
- Ivy Meadows
- Ivy Oaks