| Cong. Dist. | Total Registered |
|---|---|
| 1 | 429,660 |
| 2 | 388,859 |
| Total | 818,519 |
| Leg. Dist. | Total Registered |
|---|---|
| 01 | 27,665 |
| 02 | 28,227 |
| 03 | 24,205 |
| 04 | 25,624 |
| 05 | 26,899 |
| 06 | 22,951 |
| 07 | 23,648 |
| 08 | 27,732 |
| 09 | 22,215 |
| 10 | 17,479 |
| 11 | 23,780 |
| 12 | 19,834 |
| 13 | 21,432 |
| 14 | 34,468 |
| 15 | 23,187 |
| 16 | 24,639 |
| 17 | 21,577 |
| 18 | 27,977 |
| 19 | 30,328 |
| 20 | 25,207 |
| 21 | 27,841 |
| 22 | 21,339 |
| 23 | 17,641 |
| 24 | 19,608 |
| 25 | 19,867 |
| 26 | 21,611 |
| 27 | 16,873 |
| 28 | 23,082 |
| 29 | 20,486 |
| 30 | 24,089 |
| 31 | 19,243 |
| 32 | 24,328 |
| 33 | 19,301 |
| 34 | 22,351 |
| 35 | 21,785 |
| Total | 818,519 |
| County | Total Registered |
|---|---|
| Ada | 236,563 |
| Adams | 2,526 |
| Bannock | 40,316 |
| Bear Lake | 3,296 |
| Benewah | 5,048 |
| Bingham | 19,243 |
| Blaine | 12,703 |
| Boise | 4,572 |
| Bonner | 24,939 |
| Bonneville | 50,499 |
| Boundary | 6,118 |
| Butte | 1,477 |
| Camas | 681 |
| Canyon | 86,396 |
| Caribou | 3,630 |
| Cassia | 9,228 |
| Clark | 386 |
| Clearwater | 4,337 |
| Custer | 2,786 |
| Elmore | 10,031 |
| Franklin | 6,077 |
| Fremont | 6,638 |
| Gem | 9,346 |
| Gooding | 6,100 |
| Idaho | 9,567 |
| Jefferson | 13,284 |
| Jerome | 7,884 |
| Kootenai | 78,056 |
| Latah | 21,851 |
| Lemhi | 4,755 |
| Lewis | 2,013 |
| Lincoln | 2,127 |
| Madison | 18,106 |
| Minidoka | 7,645 |
| Nez Perce | 20,938 |
| Oneida | 2,449 |
| Owyhee | 4,837 |
| Payette | 10,703 |
| Power | 3,252 |
| Shoshone | 6,352 |
| Teton | 6,012 |
| Twin Falls | 34,364 |
| Valley | 6,273 |
| Washington | 5,115 |
| Total | 818,519 |