California Cities
- Ibis, CA
- Iceland, CA
- Idlewild, CA
- Idria, CA
- Idyllwild, CA
- Idyllwild-Pine Cove, CA
- Igerna, CA
- Ignacio, CA
- Igo, CA
- Ilmon, CA
- Imola, CA
- Imperial, CA
- Imperial Beach, CA
- Inca, CA
- Incline, CA
- Independence, CA
- Indian Falls, CA
- Indian Gulch, CA
- Indian Springs, CA
- Indian Village, CA
- Indian Wells, CA
- Indianola, CA
- Indio, CA
- Indio Hills, CA
- Industry, CA
- Ingle, CA
- Inglenook, CA
- Inglewood, CA
- Ingomar, CA
- Ingot, CA
- Inperial Gables, CA
- Inskip, CA
- Interlaken, CA
- Inverness, CA
- Inverness Park, CA
- Inwood, CA
- Inyokern, CA
- Ione, CA
- Iowa City, CA
- Iowa Hill, CA
- Iremel, CA
- Iris, CA
- Irmulco, CA
- Iron Horse, CA
- Iron Mountain, CA
- Ironsides, CA
- Irrigosa, CA
- Irvine, CA
- Irvings Crest, CA
- Irvington District, CA
- Irwin, CA
- Irwindale, CA
- Isla Vista, CA
- Island Mountain, CA
- Isleton, CA
- Italian Swiss Colony, CA
- Ivanhoe, CA
- Ivanpah, CA
- Ivesta, CA
- Ivory, CA
