Cities - I
- Idabel [1]
- Idaho Falls [57]
- Idaho Springs [4]
- Idalia [1]
- Idalou [122]
- Idledale [2]
- Ignacio [5]
- Ijamsville [2]
- Ilderton [1]
- Imperial [17]
- Imperial Beach [3]
- Incline Village [41]
- Independence [59]
- Indialantic [8]
- Indian Head [1]
- Indian Hills [2]
- Indian Lake [1]
- Indian Land [1]
- INDIAN RK BCH [1]
- Indian Springs Village [2]
- Indian Trail [5]
- Indian Wells [7]
- Indiana [8]
- Indianapolis [515]
- Indianola [4]
- Indio [13]
- Indooroopilly [2]
- Industry [50]
- Inez [120]
- Ingleside [219]
- Inglewood [18]
- Ingram [182]
- Innisfail [2]
- Innisfil [1]
- Inola [10]
- Inver Grove Heights [3]
- Inverness [12]
- Inwood [2]
- Iola [106]
- Ione [2]
- Iota [4]
- Iowa [1]
- Iowa City [10]
- Iowa Falls [4]
- Iowa Park [247]
- Ipswich [2]
- Ira [15]
- Iraan [50]
- Iredell [31]
- Irmo [9]
- Iron Mountain [7]
- Iron River [1]
- Irondale [8]
- Irvine [1189]
- Irving [17208]
- Irvington [4]
- Irwin [6]
- Irwindale [10]
- Irwinton [1]
- Isanti [2]
- Islamorada [5]
- Island Lake [1]
- Islandia [5]
- Isle of Palms [1]
- Issaquah [43]
- Italy [96]
- Itasca [168]
- Ithaca [12]
- Ivanhoe [31]
- Ivins [2]
- Ivyland [1]
- Ixonia [1]