- Imperial, MO
- Idabel, OK
- Industry, PA
- Ithaca, NY
- Ishpeming, MI
- Independence, OR
- Islip, NY
- Ilwaco, WA
- Irvine, CA
- Inwood, IA
- Independence, IA
- Irwindale, CA
- Indiana, PA
- Independence, KS
- Irwin, PA
- Inglis, FL
- Indio, CA
- Irvington, KY
- Imboden, AR
- Itasca, TX
- Irvington, NJ
- Idaho Falls, ID
- Inkster, MI
- Indianapolis, IN
- Independence, VA
- Iowa Falls, IA
- Irving, TX
- Inman, SC
- Imperial, CA
- Indianola, IA
- Irving, IL
- Ingleside, IL
- Indian Wells, CA
- Immokalee, FL
- Imperial, PA
- Indian Orchard, MA
- Irwinton, GA
- Independence, MO
- Ione, CA
- Iowa City, IA
- Interlochen, MI
- Iron Mountain, MI
- Ironwood, MI
- Ivins, UT
- Iva, SC
- Inverness, FL
- Iron Junction, MN
- Inglewood, CA
- Indianola, MS
- Independence, WV
- Issaquah, WA
- Ipswich, MA
- Invermere, BC
- Island Park, NY
- Ixonia, WI
- Isanti, MN
- Ionia, MI
- Inwood, WV
- Ironton, OH
- Ironton, MO
- Ivor, VA
- Inyokern, CA
- Indianola, NE
- Imlay City, MI
- Ironton, MN
- Inkom, ID