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