| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
|---|
| Fairburn historical | city | Idaho | United States | 46.25389 | -116.73111 | 4199 | 374 |
| Fairfield | city | Idaho | United States | 43.34667 | -114.79083 | 5075 | 33 |
| Fairview | city | Idaho | United States | 42.535 | -114.78917 | 3923 | 1135 |
| Fairview | city | Idaho | United States | 42.85028 | -112.86861 | 4386 | 380 |
| Fairview | city | Idaho | United States | 42.01333 | -111.87583 | 4507 | 1244 |
| Fairylawn | city | Idaho | United States | 42.56972 | -116.98833 | 4914 | 18 |
| Falcon | city | Idaho | United States | 47.34889 | -115.67389 | 3556 | 37 |
| Fall Creek | city | Idaho | United States | 45.81222 | -115.65167 | 3897 | 14 |
| Falls City | city | Idaho | United States | 42.68056 | -114.42333 | 3812 | 2248 |
| Farnum | city | Idaho | United States | 43.99861 | -111.40889 | 5531 | 501 |
| Featherville | city | Idaho | United States | 43.61 | -115.25722 | 4593 | 61 |
| Felt | city | Idaho | United States | 43.87306 | -111.18389 | 6000 | 453 |
| Feltham | city | Idaho | United States | 44.20722 | -116.93 | 2129 | 615 |
| Fenn | city | Idaho | United States | 45.96333 | -116.25528 | 3300 | 253 |
| Ferdinand | city | Idaho | United States | 46.1525 | -116.38833 | 3802 | 468 |
| Ferguson | city | Idaho | United States | 47.56 | -115.92333 | 3166 | 139 |
| Fernan Lake Village | city | Idaho | United States | 47.67389 | -116.74444 | 2198 | 24241 |
| Fernwood | city | Idaho | United States | 47.11222 | -116.39167 | 2975 | 523 |
| Filer | city | Idaho | United States | 42.57028 | -114.60694 | 3782 | 3001 |
| Fingal | city | Idaho | United States | 42.96806 | -112.80889 | 4396 | 224 |
| Fir Grove | city | Idaho | United States | 47.89444 | -116.90917 | 2309 | 1926 |
| Firth | city | Idaho | United States | 43.30528 | -112.18222 | 4599 | 1704 |
| Fischer | city | Idaho | United States | 43.61944 | -116.58278 | 2470 | 36631 |
| Fish Haven | city | Idaho | United States | 42.03694 | -111.39556 | 5921 | 177 |
| Five Corners | city | Idaho | United States | 46.64 | -116.17222 | 2998 | 61 |
| Flat Creek | city | Idaho | United States | 47.23222 | -116.49028 | 2998 | 523 |
| Flat Rock | city | Idaho | United States | 44.50056 | -111.33556 | 6400 | 19 |
| Fletcher | city | Idaho | United States | 46.28944 | -116.41 | 3599 | 252 |
| Flint | city | Idaho | United States | 42.91667 | -116.78194 | 5380 | 19 |
| Florence | city | Idaho | United States | 45.50111 | -116.0275 | 6036 | 24 |
| Forebay | city | Idaho | United States | 46.42361 | -116.95917 | 1023 | 15117 |
| Forest | city | Idaho | United States | 46.14806 | -116.65667 | 4501 | 109 |
| Forney | city | Idaho | United States | 44.99972 | -114.33472 | 6000 | 56 |
| Fort Boise historical | city | Idaho | United States | 43.82917 | -117.01222 | 2247 | 1853 |
| Fort Hall | city | Idaho | United States | 43.03333 | -112.4375 | 4504 | 579 |
| Fort Wilson | city | Idaho | United States | 44.02917 | -116.84417 | 2198 | 2791 |
| Four Corners | city | Idaho | United States | 48.28833 | -116.98917 | 2398 | 583 |
| Four Corners | city | Idaho | United States | 42.10528 | -116.60694 | 5242 | 19 |
| Fourway Junction | city | Idaho | United States | 45.33278 | -115.36222 | 6601 | 14 |
| Fox Creek | city | Idaho | United States | 43.65056 | -111.11 | 6197 | 445 |
| France | city | Idaho | United States | 43.9725 | -111.27444 | 5839 | 497 |
| Franklin | city | Idaho | United States | 42.01361 | -111.80639 | 4498 | 1398 |
| Fraser | city | Idaho | United States | 46.39111 | -116.1375 | 2998 | 1081 |
| Freedom | city | Idaho | United States | 42.98278 | -111.04306 | 5793 | 100 |
| Freeze | city | Idaho | United States | 46.96194 | -116.94167 | 2598 | 369 |
| French Corner | city | Idaho | United States | 44.0575 | -116.57944 | 2565 | 1009 |
| French Creek | city | Idaho | United States | 45.42333 | -116.02639 | 2385 | 46 |
| French historical | city | Idaho | United States | 44.12222 | -116.64306 | 2598 | 1031 |
| Frisco | city | Idaho | United States | 47.51222 | -115.85833 | 4537 | 256 |
| Fritser Ford | city | Idaho | United States | 45.08667 | -115.62778 | 5078 | 216 |
| Frost Place | city | Idaho | United States | 42.1925 | -115.94 | 5800 | 19 |
| Fruitland | city | Idaho | United States | 44.00778 | -116.91556 | 2237 | 6694 |
| Fruitvale | city | Idaho | United States | 44.81528 | -116.43917 | 3198 | 112 |
| Fuller | city | Idaho | United States | 42.92944 | -114.8225 | 3398 | 476 |
| Fullmer | city | Idaho | United States | 43.30861 | -112.66889 | 4698 | 215 |
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