| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
|---|
| Abbey historical | city | Idaho | United States | 42.63167 | -114.75528 | 3599 | 5520 |
| Aberdeen | city | Idaho | United States | 42.94417 | -112.8375 | 4399 | 225 |
| Aberdeen Junction | city | Idaho | United States | 43.22306 | -112.47 | 4498 | 1612 |
| Abstein Place | city | Idaho | United States | 44.97083 | -115.48583 | 5285 | 33 |
| Acequia | city | Idaho | United States | 42.66806 | -113.59611 | 4156 | 997 |
| Adair | city | Idaho | United States | 47.34222 | -115.61111 | 3792 | 54 |
| Addie | city | Idaho | United States | 48.95361 | -116.16528 | 2700 | 476 |
| Adelaide | city | Idaho | United States | 42.80722 | -113.72111 | 4363 | 230 |
| Advent Hollow historical | city | Idaho | United States | 46.8375 | -116.98333 | 2798 | 2275 |
| Agatha | city | Idaho | United States | 46.51083 | -116.57583 | 1003 | 375 |
| Ahsahka | city | Idaho | United States | 46.50222 | -116.32306 | 1079 | 1807 |
| Aiken | city | Idaho | United States | 43.20917 | -112.40583 | 4478 | 4846 |
| Aikman historical | city | Idaho | United States | 43.81667 | -116.40417 | 2969 | 1019 |
| Alameda subdivision | city | Idaho | United States | 42.89 | -112.45333 | 4543 | 49804 |
| Albion | city | Idaho | United States | 42.41278 | -113.57722 | 4799 | 70 |
| Alder City historical | city | Idaho | United States | 43.8725 | -113.51944 | 5741 | 56 |
| Alder Creek | city | Idaho | United States | 47.22278 | -116.60667 | 2522 | 499 |
| Alexander | city | Idaho | United States | 42.65111 | -111.70833 | 5921 | 253 |
| Algoma | city | Idaho | United States | 48.19694 | -116.57111 | 2198 | 1160 |
| Allendale | city | Idaho | United States | 43.67639 | -116.87389 | 2408 | 3601 |
| Allens Spur | city | Idaho | United States | 48.74056 | -116.36528 | 1797 | 384 |
| Almo | city | Idaho | United States | 42.10028 | -113.63278 | 5374 | 70 |
| Alpha | city | Idaho | United States | 44.39111 | -116.00694 | 4799 | 33 |
| Alpine | city | Idaho | United States | 44.59361 | -116.49389 | 2933 | 109 |
| Alridge | city | Idaho | United States | 43.21139 | -112.00417 | 4999 | 342 |
| Alton | city | Idaho | United States | 42.2275 | -111.15083 | 6171 | 327 |
| Alturas City historical | city | Idaho | United States | 43.80083 | -115.15944 | 5200 | 61 |
| Amalga | city | Idaho | United States | 42.57694 | -113.72389 | 4150 | 9388 |
| American Falls | city | Idaho | United States | 42.78611 | -112.85361 | 4488 | 476 |
| Ammon | city | Idaho | United States | 43.46972 | -111.96583 | 4727 | 40942 |
| Amsco | city | Idaho | United States | 43.76472 | -116.64833 | 2490 | 3147 |
| Amsterdam | city | Idaho | United States | 42.29583 | -114.58389 | 4698 | 56 |
| Anderson | city | Idaho | United States | 42.02056 | -111.95611 | 4537 | 1023 |
| Anderson Place | city | Idaho | United States | 42.24472 | -114.95 | 5482 | 28 |
| Annis | city | Idaho | United States | 43.72833 | -111.93528 | 4829 | 4304 |
| Antelope historical | city | Idaho | United States | 43.67222 | -113.64111 | 6400 | 56 |
| Apple Valley | city | Idaho | United States | 43.84 | -116.99556 | 2211 | 2744 |
| Appleton | city | Idaho | United States | 42.74806 | -114.63444 | 3487 | 1652 |
| Arbon | city | Idaho | United States | 42.45583 | -112.5675 | 5167 | 110 |
| Archabal | city | Idaho | United States | 44.84694 | -116.12111 | 4999 | 267 |
| Archer | city | Idaho | United States | 43.71361 | -111.78194 | 4914 | 2095 |
| Arco | city | Idaho | United States | 43.63667 | -113.29944 | 5383 | 56 |
| Arimo | city | Idaho | United States | 42.56 | -112.17056 | 4780 | 322 |
| Arling | city | Idaho | United States | 44.62528 | -116.04917 | 4881 | 69 |
| Arrow | city | Idaho | United States | 46.47806 | -116.76694 | 1197 | 426 |
| Artesian City | city | Idaho | United States | 42.41722 | -114.16028 | 4288 | 477 |
| Asbestos Point | city | Idaho | United States | 45.81806 | -115.93972 | 3405 | 222 |
| Ashton | city | Idaho | United States | 44.07167 | -111.4475 | 5282 | 427 |
| Aspendale | city | Idaho | United States | 46.67694 | -116.49639 | 2775 | 448 |
| Athol | city | Idaho | United States | 47.94806 | -116.70694 | 2398 | 1220 |
| Atlanta | city | Idaho | United States | 43.80167 | -115.12583 | 5711 | 61 |
| Atlas | city | Idaho | United States | 47.70056 | -116.82861 | 2201 | 30758 |
| Atomic City | city | Idaho | United States | 43.445 | -112.81194 | 5036 | 188 |
| Austin historical | city | Idaho | United States | 42.65639 | -114.84833 | 3270 | 1119 |
| Avery | city | Idaho | United States | 47.25056 | -115.80417 | 2919 | 33 |
| Avon | city | Idaho | United States | 46.82611 | -116.61278 | 2798 | 369 |
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