| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Iacsoniapolis | city | Florida | United States | 30.33 | -81.66 | 22 | |
| Iacsonvilla | city | Florida | United States | 30.33 | -81.66 | 22 | |
| Iamonia | city | Florida | United States | 30.67 | -84.16 | 98 | |
| Ida | city | Florida | United States | 27.98 | -82.45 | 49 | |
| Ida Heights | city | Florida | United States | 27.94 | -82.51 | 6 | |
| Iddo | city | Florida | United States | 30.28 | -83.72 | 45 | |
| Ideal Trailer Park | city | Florida | United States | 29.67 | -82.30 | 154 | |
| Ideal Trailer Park | city | Florida | United States | 30.36 | -81.72 | 22 | |
| Idle Forest | city | Florida | United States | 28.00 | -82.50 | 26 | |
| Idle Grove Park | city | Florida | United States | 28.00 | -82.49 | 29 | |
| Idlewild Trailer Park | city | Florida | United States | 29.99 | -81.69 | 22 | |
| Idlewild on the Hillsborough | city | Florida | United States | 28.00 | -82.47 | 22 | |
| Idylwild | city | Florida | United States | 29.62 | -82.35 | 82 | |
| Ilcombe (historical) | city | Florida | United States | 30.13 | -83.90 | 13 | |
| Ilexhurst | city | Florida | United States | 27.49 | -82.71 | 3 | |
| Illinois Trailer Park | city | Florida | United States | 28.03 | -82.04 | 127 | |
| Immokalee | city | Florida | United States | 26.42 | -81.42 | 26 | |
| Imperial Bonita Estates Mobile Home Park | city | Florida | United States | 26.34 | -81.76 | 6 | |
| Imperial Estates | city | Florida | United States | 28.04 | -82.48 | 29 | |
| Imperial Estates Mobile Home Park | city | Florida | United States | 26.20 | -80.21 | 9 | |
| Imperial Manor Mobile Home Terrace | city | Florida | United States | 28.04 | -82.00 | 141 | |
| Imperial Point | city | Florida | United States | 26.20 | -80.12 | 9 | |
| Imperial Trailer Court | city | Florida | United States | 28.35 | -80.69 | 3 | |
| Independence Square | city | Florida | United States | 28.00 | -82.43 | 55 | |
| Indialantic | city | Florida | United States | 28.09 | -80.57 | 3 | |
| Indian Creek Park Mobile Home Park | city | Florida | United States | 26.49 | -81.95 | 3 | |
| Indian Creek Village | city | Florida | United States | 25.88 | -80.14 | 3 | |
| Indian Ford | city | Florida | United States | 30.71 | -86.92 | 78 | |
| Indian Harbour Beach | city | Florida | United States | 28.15 | -80.59 | 6 | |
| Indian Head | city | Florida | United States | 28.11 | -82.48 | 49 | |
| Indian Hills | city | Florida | United States | 27.87 | -82.28 | 39 | |
| Indian Lake Estates | city | Florida | United States | 27.81 | -81.38 | 72 | |
| Indian Lakes | city | Florida | United States | 28.07 | -82.56 | 29 | |
| Indian Mound Estates | city | Florida | United States | 28.10 | -82.48 | 49 | |
| Indian Mound Village | city | Florida | United States | 28.80 | -81.22 | 6 | |
| Indian Mound Village | city | Florida | United States | 28.10 | -82.48 | 49 | |
| Indian Oaks | city | Florida | United States | 28.05 | -82.56 | 22 | |
| Indian Oaks Trailer Park | city | Florida | United States | 28.30 | -80.74 | 16 | |
| Indian Pass | city | Florida | United States | 29.69 | -85.26 | 3 | |
| Indian River City | city | Florida | United States | 28.56 | -80.80 | 3 | |
| Indian River Estates | city | Florida | United States | 27.36 | -80.31 | 13 | |
| Indian River Shores | city | Florida | United States | 27.72 | -80.38 | 6 | |
| Indian River Shores Trailer Court | city | Florida | United States | 27.89 | -80.51 | 3 | |
| Indian River Trailer Park | city | Florida | United States | 28.18 | -80.65 | 3 | |
| Indian Rocks Beach | city | Florida | United States | 27.88 | -82.85 | 3 | |
| Indian Shores | city | Florida | United States | 27.86 | -82.85 | 3 | |
| Indian Spring Estates | city | Florida | United States | 27.87 | -82.84 | 22 | |
| Indian Trails | city | Florida | United States | 27.92 | -82.23 | 108 | |
| Indian Village | city | Florida | United States | 28.04 | -82.45 | 29 | |
| Indianola | city | Florida | United States | 28.40 | -80.71 | 9 | |
| Indiantown | city | Florida | United States | 27.03 | -80.49 | 29 | |
| Indianwood Manufactured Housing Community | city | Florida | United States | 27.03 | -80.48 | 32 | |
| Indrio | city | Florida | United States | 27.52 | -80.35 | 9 | |
| Ingle | city | Florida | United States | 30.42 | -81.93 | 78 | |
| Inglewood Park | city | Florida | United States | 28.07 | -82.46 | 29 | |
| Inglis | city | Florida | United States | 29.03 | -82.67 | 16 | |
| Inlet Beach | city | Florida | United States | 30.28 | -86.01 | 0 | |
| Inlikita | city | Florida | United States | 25.60 | -80.48 | 6 | |
| Innergary Point | city | Florida | United States | 27.93 | -82.25 | 101 | |
| Innfields | city | Florida | United States | 28.09 | -82.63 | 26 | |
| Innisbrook | city | Florida | United States | 28.11 | -82.76 | 22 | |
| Interama | city | Florida | United States | 25.92 | -80.14 | 0 | |
| Interbay | city | Florida | United States | 27.88 | -82.50 | 6 | |
| Intercession City | city | Florida | United States | 28.26 | -81.51 | 68 | |
| Intercoastal Estates Mobile Home Park | city | Florida | United States | 28.64 | -80.83 | 19 | |
| Interdonato Place | city | Florida | United States | 27.96 | -82.14 | 98 | |
| Interlachen | city | Florida | United States | 29.62 | -81.89 | 91 | |
| Inverness | city | Florida | United States | 28.84 | -82.33 | 72 | |
| Inwood | city | Florida | United States | 28.04 | -81.77 | 144 | |
| Inwood | city | Florida | United States | 30.70 | -84.97 | 108 | |
| Iola | city | Florida | United States | 30.15 | -85.17 | 19 | |
| Iolee (historical) | city | Florida | United States | 30.27 | -85.13 | 42 | |
| Iona | city | Florida | United States | 26.52 | -81.96 | 3 | |
| Iowa City | city | Florida | United States | 28.69 | -81.15 | 22 | |
| Iowa Trailer Park | city | Florida | United States | 29.24 | -81.04 | 3 | |
| Irma | city | Florida | United States | 27.97 | -82.38 | 19 | |
| Iroquois Park | city | Florida | United States | 28.01 | -82.45 | 29 | |
| Irvine | city | Florida | United States | 29.41 | -82.25 | 147 | |
| Irvine Heights | city | Florida | United States | 27.94 | -82.23 | 104 | |
| Irvinton Heights | city | Florida | United States | 28.03 | -82.46 | 19 | |
| Isabel Estates | city | Florida | United States | 27.97 | -82.13 | 98 | |
| Isabellas Place Mobile Home Park | city | Florida | United States | 29.62 | -81.65 | 22 | |
| Isla Gold Mobile Home Park | city | Florida | United States | 25.52 | -80.42 | 6 | |
| Isla-Gold Mobile Home and Recreational Vehicle | city | Florida | United States | 25.52 | -80.42 | 6 | |
| Islamorada | city | Florida | United States | 24.92 | -80.63 | 0 | |
| Islamorada, Village of Islands | city | Florida | United States | 24.92 | -80.63 | 0 | |
| Island Cay | city | Florida | United States | 27.77 | -82.40 | 6 | |
| Island Ford Lake Beach | city | Florida | United States | 28.15 | -82.60 | 39 | |
| Island Grove | city | Florida | United States | 29.45 | -82.11 | 55 | |
| Island Homes | city | Florida | United States | 27.93 | -82.45 | 3 | |
| Island Lakes Mobile Home Park | city | Florida | United States | 28.44 | -80.71 | 3 | |
| Island Place | city | Florida | United States | 27.94 | -82.45 | 3 | |
| Island Pond Estates | city | Florida | United States | 28.05 | -82.16 | 104 | |
| Island Vista Estates Mobile Home Park | city | Florida | United States | 26.72 | -81.89 | 22 | |
| Island Walk | city | Florida | United States | 27.77 | -82.40 | 6 | |
| Islandia | city | Florida | United States | 25.38 | -80.25 | 3 | |
| Isle of Normandy | city | Florida | United States | 25.85 | -80.14 | 0 | |
| Isle of Palms | city | Florida | United States | 30.28 | -81.43 | 3 | |
| Isle of Palms South | city | Florida | United States | 30.27 | -81.43 | 3 | |
| Isleboro | city | Florida | United States | 29.07 | -80.95 | 3 | |
| Isles of Capri | city | Florida | United States | 25.98 | -81.73 | 0 | |
| Istachatta | city | Florida | United States | 28.66 | -82.28 | 49 | |
| Istokpoga | city | Florida | United States | 27.41 | -81.35 | 45 | |
| Italia | city | Florida | United States | 30.62 | -81.72 | 9 | |
| Ivan | city | Florida | United States | 30.22 | -84.36 | 19 | |
| Iverson Trailer Park | city | Florida | United States | 26.05 | -81.70 | 6 | |
| Ives Estates | city | Florida | United States | 25.96 | -80.18 | 6 | |
| Ivinell | city | Florida | United States | 28.01 | -82.43 | 49 | |
| Ivy Estates | city | Florida | United States | 27.89 | -82.31 | 16 | |
| Izagora | city | Florida | United States | 30.91 | -85.84 | 88 |