| Cong. Dist. | Total Registered |
|---|---|
| 1 | 427,861 |
| 2 | 387,937 |
| Total | 815,798 |
| Leg. Dist. | Total Registered |
|---|---|
| 01 | 27,595 |
| 02 | 28,107 |
| 03 | 24,071 |
| 04 | 25,484 |
| 05 | 26,799 |
| 06 | 22,927 |
| 07 | 23,609 |
| 08 | 27,720 |
| 09 | 22,126 |
| 10 | 17,443 |
| 11 | 23,558 |
| 12 | 19,810 |
| 13 | 21,391 |
| 14 | 34,131 |
| 15 | 23,000 |
| 16 | 24,557 |
| 17 | 21,521 |
| 18 | 27,801 |
| 19 | 30,142 |
| 20 | 25,095 |
| 21 | 27,690 |
| 22 | 21,235 |
| 23 | 17,629 |
| 24 | 19,724 |
| 25 | 19,924 |
| 26 | 21,558 |
| 27 | 16,877 |
| 28 | 23,084 |
| 29 | 20,441 |
| 30 | 23,910 |
| 31 | 19,245 |
| 32 | 24,350 |
| 33 | 19,230 |
| 34 | 22,354 |
| 35 | 21,660 |
| Total | 815,798 |
| County | Total Registered |
|---|---|
| Ada | 235,172 |
| Adams | 2,521 |
| Bannock | 40,237 |
| Bear Lake | 3,305 |
| Benewah | 5,043 |
| Bingham | 19,245 |
| Blaine | 12,674 |
| Boise | 4,565 |
| Bonner | 24,876 |
| Bonneville | 50,251 |
| Boundary | 6,098 |
| Butte | 1,476 |
| Camas | 680 |
| Canyon | 86,013 |
| Caribou | 3,653 |
| Cassia | 9,230 |
| Clark | 386 |
| Clearwater | 4,336 |
| Custer | 2,797 |
| Elmore | 10,020 |
| Franklin | 6,084 |
| Fremont | 6,647 |
| Gem | 9,336 |
| Gooding | 6,097 |
| Idaho | 9,555 |
| Jefferson | 13,151 |
| Jerome | 7,877 |
| Kootenai | 77,662 |
| Latah | 21,756 |
| Lemhi | 4,749 |
| Lewis | 2,017 |
| Lincoln | 2,107 |
| Madison | 18,109 |
| Minidoka | 7,647 |
| Nez Perce | 20,910 |
| Oneida | 2,453 |
| Owyhee | 4,831 |
| Payette | 10,678 |
| Power | 3,288 |
| Shoshone | 6,339 |
| Teton | 5,989 |
| Twin Falls | 34,549 |
| Valley | 6,273 |
| Washington | 5,116 |
| Total | 815,798 |