| United States President | ||||||||
|---|---|---|---|---|---|---|---|---|
| IND | DEM | CON | IND | LIB | IND | IND | REP | |
| Counties | Darrell L. Castle | Hillary Rodham Clinton | Scott Copeland | Rocky De La Fuente | Gary Johnson | Evan McMullin | Jill Stein | Donald J. Trump |
| Ada | 1,019 | 75,677 | 481 | 349 | 9,984 | 11,226 | 3,138 | 93,752 |
| Adams | 12 | 415 | 11 | 7 | 83 | 80 | 19 | 1,556 |
| Bannock | 240 | 10,342 | 125 | 80 | 1,471 | 3,449 | 518 | 17,180 |
| Bear Lake | 22 | 255 | 15 | 2 | 54 | 366 | 11 | 2,203 |
| Benewah | 30 | 770 | 17 | 10 | 151 | 61 | 42 | 3,103 |
| Bingham | 144 | 2,924 | 73 | 34 | 417 | 2,002 | 124 | 10,907 |
| Blaine | 35 | 6,416 | 23 | 20 | 424 | 289 | 176 | 3,340 |
| Boise | 22 | 777 | 13 | 7 | 173 | 112 | 35 | 2,673 |
| Bonner | 116 | 5,819 | 84 | 33 | 762 | 372 | 396 | 13,343 |
| Bonneville | 272 | 8,930 | 169 | 87 | 1,634 | 6,022 | 399 | 26,699 |
| Boundary | 33 | 933 | 29 | 7 | 161 | 130 | 80 | 3,789 |
| Butte | 4 | 160 | 4 | 2 | 25 | 114 | 7 | 914 |
| Camas | 6 | 110 | 2 | 0 | 23 | 33 | 6 | 410 |
| Canyon | 433 | 16,883 | 261 | 175 | 2,778 | 4,216 | 797 | 47,222 |
| Caribou | 20 | 271 | 14 | 4 | 64 | 372 | 15 | 2,275 |
| Cassia | 56 | 1,036 | 28 | 17 | 202 | 853 | 37 | 5,949 |
| Clark | 4 | 44 | 4 | 0 | 4 | 23 | 1 | 203 |
| Clearwater | 18 | 704 | 8 | 12 | 97 | 72 | 38 | 2,852 |
| Custer | 12 | 427 | 9 | 9 | 67 | 82 | 30 | 1,777 |
| Elmore | 50 | 1,814 | 33 | 21 | 332 | 376 | 77 | 5,816 |
| Franklin | 112 | 385 | 38 | 4 | 117 | 912 | 30 | 3,901 |
| Fremont | 36 | 651 | 30 | 8 | 127 | 751 | 20 | 4,090 |
| Gem | 41 | 1,229 | 30 | 17 | 241 | 357 | 57 | 5,980 |
| Gooding | 42 | 930 | 27 | 16 | 110 | 293 | 30 | 3,743 |
| Idaho | 57 | 1,196 | 47 | 14 | 254 | 165 | 52 | 6,441 |
| Jefferson | 101 | 976 | 50 | 19 | 274 | 1,560 | 55 | 8,436 |
| Jerome | 46 | 1,329 | 27 | 16 | 218 | 419 | 52 | 4,644 |
| Kootenai | 372 | 16,264 | 210 | 86 | 2,604 | 1,557 | 744 | 44,449 |
| Latah | 320 | 8,093 | 73 | 49 | 1,197 | 696 | 463 | 7,265 |
| Lemhi | 19 | 733 | 16 | 9 | 138 | 139 | 31 | 3,011 |
| Lewis | 18 | 270 | 6 | 2 | 62 | 17 | 13 | 1,202 |
| Lincoln | 18 | 360 | 6 | 6 | 54 | 102 | 18 | 1,184 |
| Madison | 136 | 1,201 | 43 | 16 | 612 | 4,669 | 69 | 8,941 |
| Minidoka | 47 | 1,167 | 26 | 32 | 207 | 463 | 41 | 4,887 |
| Nez Perce | 119 | 4,828 | 74 | 41 | 879 | 352 | 203 | 10,699 |
| Oneida | 23 | 184 | 18 | 1 | 37 | 271 | 3 | 1,531 |
| Owyhee | 22 | 591 | 9 | 8 | 108 | 108 | 26 | 3,052 |
| Payette | 42 | 1,507 | 29 | 17 | 247 | 314 | 59 | 6,489 |
| Power | 19 | 699 | 12 | 11 | 92 | 233 | 26 | 1,666 |
| Shoshone | 45 | 1,384 | 22 | 12 | 219 | 87 | 54 | 3,297 |
| Teton | 27 | 2,159 | 5 | 7 | 184 | 327 | 99 | 2,167 |
| Twin Falls | 142 | 6,233 | 120 | 83 | 1,076 | 2,065 | 326 | 19,828 |
| Valley | 26 | 1,913 | 13 | 14 | 230 | 194 | 53 | 2,906 |
| Washington | 25 | 776 | 22 | 9 | 138 | 175 | 26 | 3,283 |
| TOTAL | 4,403 | 189,765 | 2,356 | 1,373 | 28,331 | 46,476 | 8,496 | 409,055 |
| Plurality | 219,290 | |||||||
| Percentage | 0.6 % | 27.5 % | 0.3 % | 0.2 % | 4.1 % | 6.7 % | 1.2 % | 59.2 % |